Top 10 Best Bluetooth Speaker for Sound Quality You Need!

Finding a Bluetooth speaker that delivers clear, rich sound can be challenging. Many models sacrifice audio quality for portability or battery life, leaving you with disappointing playback.

It suits those who want powerful bass, crisp highs, and reliable connection whether at home or outdoors. This review will cover the speaker’s design, audio performance, battery life, and overall value.

By the end, you’ll have a better understanding of whether the JBL Charge 5 meets your needs for a wireless speaker that prioritizes sound quality above all.

Experience Unmatched Audio Clarity with These Top Picks

Image	Product	Price
Pick 1	JBL Flip 5 Portable Bluetooth Speaker	Check Price
Pick 2	Bose SoundLink Flex Bluetooth Speaker 2nd Gen	Check Price
Pick 3	JBL Charge 5 Portable Waterproof Speaker	Check Price

1. JBL Flip 5 Portable Bluetooth Speaker

Experience powerful, clear sound wherever you go with the JBL Flip 5 Portable Bluetooth Speaker. Designed for those who value rich audio, this speaker delivers impressive stereo sound in a compact, waterproof design. Whether at home or outside, it promises hours of uninterrupted music enjoyment.

Whether at home or outside, it promises hours of uninterrupted music enjoyment.

Compact and durable, the Flip 5 fits seamlessly into any lifestyle. Its wireless Bluetooth streaming allows easy connection to smartphones and tablets.

The JBL Flip 5 outputs premium JBL sound quality with a stereo mode, perfect for indoor and outdoor use. Its sturdy plastic enclosure withstands rough conditions, and with an IPX7 waterproof rating, it’s safe to use by the pool or at the beach. You can pair multiple speakers via PartyBoost, amplifying the listening experience at social events.

Control is simple with intuitive buttons on the speaker, and the Bluetooth range extends up to 33 feet for convenient wireless use. Tabletop mounting ensures stability during playback, while the 10 cm woofer delivers deep bass tones. This speaker is ideal for gatherings, travel, and personal listening.

Among portable Bluetooth speakers, the JBL Flip 5 stands out for balancing sound clarity, durability, and waterproof capabilities. It offers excellent value with its long battery life and versatile connectivity options.

Pros

• Exceptional JBL stereo sound with deep bass performance
• Waterproof design rated IPX7 for worry-free outdoor use
• Extended 12-hour battery life for long listening sessions

Cons

• Does not include a microphone for hands-free calls

The JBL Flip 5 offers a robust audio experience packed in a versatile, waterproof body. It excels in sound quality, durability, and battery endurance, making it a solid pick for those who want reliable performance both indoors and outdoors. Its standout features set it apart from many competitors in the portable speaker market.

Its standout features set it apart from many competitors in the portable speaker market.

2. Bose SoundLink Flex Bluetooth Speaker 2nd Gen

Experience rich, clear audio wherever you go with the Bose SoundLink Flex Bluetooth Speaker 2nd Gen. Designed for portability and impressive sound, it fits perfectly in your hand or clips onto your gear. Its durable, waterproof body lets you enjoy music worry-free during outdoor adventures.

Its durable, waterproof body lets you enjoy music worry-free during outdoor adventures.

Whether at the beach, pool, or hiking trail, this compact speaker delivers deep bass with balanced highs. Enjoy seamless wireless connectivity thanks to Bluetooth 3 and a range of up to 30 feet, keeping you connected during all your activities.

The Bose SoundLink Flex offers an exceptional audio experience with clear and balanced high-fidelity sound. Its compact design includes a utility loop for easy attachment to bags or bikes. Built to endure, the speaker features an IP67 rating, meaning it is waterproof, dustproof, and designed to resist drops and shocks.

Performance-wise, it provides up to 12 hours of battery life, ensuring uninterrupted playtime for your outdoor excursions. The embedded PositionIQ technology adjusts the sound output based on the speaker’s orientation, delivering optimal audio whether standing upright or laid flat.

Ease of use is enhanced through advanced Bluetooth 3, allowing stable connections and multipoint pairing to switch between devices effortlessly. This speaker suits those seeking a reliable and powerful companion for travel and outdoor use, providing clear sound without bulk.

Pros

• Robust, waterproof, and dustproof design suitable for outdoor use.
• Clear, balanced sound with deep bass despite compact size.
• Long-lasting battery life up to 12 hours for extended play.

Cons

• No mounting hardware included for fixed installation.

The Bose SoundLink Flex Bluetooth Speaker 2nd Gen stands out as a durable and high-performing option for portable music. With its combination of quality sound, rugged build, and user-friendly features, it is an excellent choice for outdoor enthusiasts and everyday users alike. Compared to similar speakers, its PositionIQ technology and advanced Bluetooth connectivity provide added convenience and versatility.

3. JBL Charge 5 Portable Waterproof Speaker

The JBL Charge 5 Portable Waterproof Speaker delivers powerful sound wherever you go. Its robust audio performance and durable design allow you to enjoy vibrant music indoors or outdoors with impressive clarity.

Boasting 20 hours of continuous playback and waterproof features, this speaker is built for extended use in a variety of settings. Its versatility makes it a reliable companion for both casual listening and active gatherings.

Designed with JBL’s signature Pro Sound, the Charge 5 combines a long excursion driver, separate tweeter, and dual bass radiators. This configuration produces rich, clear audio with enhanced bass presence, creating immersive sound even in open-air environments.

The speaker supports wireless Bluetooth streaming from up to two devices simultaneously. Thanks to PartyBoost technology, it links effortlessly with other JBL PartyBoost-enabled speakers to amplify the listening experience for larger crowds. Equipped with an IPX7 waterproof rating, it offers peace of mind from splashes, rain, or accidental drops in water.

Equipped with an IPX7 waterproof rating, it offers peace of mind from splashes, rain, or accidental drops in water.

With its sturdy plastic enclosure and dustproof features, the speaker is a great companion for outdoor activities. The built-in powerbank allows users to recharge smartphones or tablets, extending usability without interruptions.

Pros

• Powerful, clear sound enhanced by dual bass radiators and tweeter
• Extended 20-hour battery life with built-in device charging
• Durable, waterproof, and dustproof design suitable for outdoor use

Cons

• Limited to 10-meter wireless range which may affect distant connectivity

The JBL Charge 5 stands out as a versatile and reliable speaker, combining immersive sound quality with rugged durability. It’s an excellent choice for anyone seeking portable audio designed for varied environments without compromising performance.

4. Marshall Acton III Bluetooth Speaker Black

Experience the rich, authentic sound that fills your entire room with the Marshall Acton III Bluetooth Speaker. Designed to offer a wide soundstage, this speaker delivers the iconic Marshall quality renowned for its clarity and depth. Its sleek black finish complements any space, merging style with functionality.

Connecting wirelessly is straightforward thanks to the advanced Bluetooth technology, allowing seamless pairing with your favorite devices. This speaker is perfect for those who want powerful audio without complicated setups or clutter.

The Marshall Acton III elevates audio performance with superior stereo sound output and enhanced bass, making music more immersive than ever before. Its enclosure is crafted from 70% recycled plastic, reflecting a commitment to sustainability without sacrificing durability or style. The freestanding design fits perfectly on shelves or desks, blending well in any room setup.

The freestanding design fits perfectly on shelves or desks, blending well in any room setup.

Equipped with a 4-inch woofer and 75-inch tweeter, it balances high and low frequencies expertly. Users benefit from features like bass boost and LED light indicators, enriching the listening experience. Control is intuitive through touch and button interfaces, ensuring easy volume adjustments.

Ideal for home entertainment, it supports a range of devices including smartphones, tablets, and computers. Although it’s not water-resistant, the sturdy build ensures reliability for everyday use.

Pros

• Immersive room-filling sound with a balanced audio profile
• Eco-friendly materials with a PVC-free and recycled plastic build
• Next-generation Bluetooth ensures seamless connectivity

Cons

• Not water-resistant, limiting outdoor use in wet conditions

The Marshall Acton III Bluetooth Speaker blends exceptional sound quality with a stylish and sustainable design. It stands out among speakers in its class, especially for those prioritizing clear audio and eco-conscious construction. The straightforward setup and reliable wireless connection make it an excellent addition to any audio setup.

The straightforward setup and reliable wireless connection make it an excellent addition to any audio setup.

5. Anker Soundcore 2 Bluetooth Speaker

The Anker Soundcore 2 Bluetooth Speaker delivers exceptional sound clarity wrapped in a rugged, waterproof design. Perfectly suited for outdoor settings, this speaker offers unmatched durability without compromising audio performance.

Its compact portability and long-lasting battery make it a reliable companion for your daily adventures or relaxing home moments. Experience rich bass and crisp highs wherever you go.

Designed with IPX7 waterproof protection, the Soundcore 2 stands firm against splashes and rain, making it ideal for outdoor use. The portable size allows easy transport whether you’re heading to a beach or a backyard gathering. Its 5,200mAh battery supports up to 24 hours of continuous music, eliminating frequent recharges during long days.

Audio quality benefits from dual neodymium drivers producing 12W output, enhanced by an advanced digital signal processor. This ensures bass remains punchy and distortion-free, even at high volumes. Exclusive BassUp technology and a patented spiral bass port further enrich low frequencies, creating a vibrant listening experience.

Exclusive BassUp technology and a patented spiral bass port further enrich low frequencies, creating a vibrant listening experience.

The control interface is simple and user-friendly, allowing you to manage music with ease. Wireless stereo pairing capability doubles the audio output when connected with a second speaker. Available in a stylish mocha brown finish, it suits a wide range of settings.

Soundcore 2 is perfect for anyone who wants powerful sound in a tough, portable package.

Pros

• IPX7 waterproof rating protects against water exposure
• Up to 24 hours of continuous playback on a single charge
• Powerful, distortion-free stereo sound with enhanced bass

Cons

• Maximum Bluetooth range limited to 66 feet

The Anker Soundcore 2 balances strong audio performance with outdoor-proof durability and excellent battery life. This combination makes it a smart choice for users seeking quality sound both indoors and outside without unnecessary bulk or complexity.

6. JBL Charge 6 Portable Bluetooth Speaker Black

Experience powerful, clear sound with the JBL Charge 6 Portable Bluetooth Speaker in Black. Designed for those who appreciate high-quality audio, this speaker delivers rich bass and crisp highs for a full, immersive listening experience.

Whether you’re hosting gatherings or enjoying alone time, the Charge 6 offers long-lasting playback and advanced Bluetooth connectivity. Combining style with durability, it’s a versatile companion for every sound lover’s needs.

The JBL Charge 6 features an upgraded JBL Pro Sound system with AI Sound Boost, enhancing every audio detail with greater clarity and minimal distortion. Its powerful bass and sparkling highs create a balanced soundstage suited for all music genres.

Quick charging adds up to 150 minutes of playback in just 10 minutes, so the party never has to pause. The speaker supports multi-speaker connection via Auracast, allowing easy stereo pairing and broadening sound coverage for larger spaces.

Additional features include a built-in powerbank to charge your mobile devices on the go and lossless audio playback through USB-C, catering to those who demand superior sound fidelity. The JBL Portable app offers customizable audio settings and access to updates, enhancing user control.

Crafted with recycled materials and eco-friendly packaging, it aligns with sustainability efforts without compromising performance.

Pros

• Exceptional JBL Pro Sound with AI Sound Boost for clear, distortion-free audio
• Long-lasting 28-hour battery life with fast charging capability
• Robust IP68 waterproof, dustproof, and drop-proof design for outdoor use

Cons

• Does not include a USB-C charging cable to reduce e-waste

The JBL Charge 6 stands out as a reliable, powerful speaker ideal for those seeking excellent sound quality and rugged durability. Its blend of advanced features, portability, and eco-conscious design offers strong value for music lovers across various lifestyles and environments.

7. Soundcore Boom 2 Bluetooth Speaker by Anker

Experience rich, dynamic sound wherever you go with the Soundcore Boom 2 Bluetooth Speaker by Anker. Designed to bring deep bass and clear audio outdoors, this speaker transforms any space into a lively soundscape. Its rugged and waterproof build makes it an ideal companion for adventures and gatherings alike.

Whether by the pool, on a patio, or at a campsite, the Boom 2 delivers immersive sound with a dedicated subwoofer and advanced BassUp 0 technology. Its vibrant RGB lighting adds a splash of style while customizable audio settings let you tailor the sound to your mood or environment.

Long battery life and power bank functionality keep the music flowing without interruption.

Soundcore Boom 2 delivers a balanced audio experience, blending crisp highs and rich mids with deep bass. Built to withstand outdoor conditions, its IPX7 waterproof rating and floatable design provide durability and worry-free use.

Easy to control via buttons or the Soundcore app, the speaker also offers a Pro EQ for sound customization and supports Bluetooth connectivity up to 100 meters. Compact and lightweight, it’s perfect for parties, travel, or simply relaxing outdoors. With a sturdy plastic enclosure and tabletop mounting, it suits varied environments, enhancing any social occasion or personal listening session.

Pros

• Powerful and punchy bass with dedicated subwoofer and BassUp 2.0
• Waterproof, floatable design ideal for outdoor use
• Up to 24 hours of battery life with built-in power bank and fast charging

Cons

• Bluetooth range is limited to around 100 meters in open space

The Soundcore Boom 2 by Anker offers a compelling blend of sound quality, durability, and convenience. Its rich audio performance and outdoor-ready features make it one of the best Bluetooth speakers for sound quality at its price point, catering well to those who want reliable, immersive sound wherever they go.

8. Beats Pill Portable Bluetooth Speaker Champagne Gold

Experience rich, room-filling sound with the Beats Pill Portable Bluetooth Speaker in Champagne Gold. Designed for powerful audio delivery and stylish portability, it offers a perfect blend of form and function. Whether at home or on the move, enjoy impressive sound clarity and bass performance that stands out.

Whether at home or on the move, enjoy impressive sound clarity and bass performance that stands out.

Compact yet robust, this speaker transforms any space with deep bass and crisp highs. Its sleek champagne gold finish adds elegance, making it suitable for various settings.

The Beats Pill combines durability, extended battery life, and easy controls to elevate your listening experience effortlessly.

The Beats Pill integrates a custom racetrack woofer that moves 90% more air than previous models to produce fuller, richer bass up to 69 watts. This enhances low-frequency depth without distortion, even at high volume levels. A redesigned tweeter complements the sound profile by delivering clear highs and rich midtones, creating a balanced audio output.

With versatile connectivity, you can link the speaker via USB-C for high-resolution lossless audio or use wireless Bluetooth for convenience. It boasts up to 24 hours of battery life, ensuring uninterrupted playback throughout your day.

Built for all environments, its IP67 rating guarantees resistance to dust and water, making it perfect for outdoor adventures or casual indoor use. Controls for playback, volume, calls, and voice assistants are all within easy reach on top of the speaker.

Pros

• Impressive racetrack woofer delivers powerful and deep bass
• IP67 dust and water resistance for durability in various conditions
• Long 24-hour battery life with USB-C power bank functionality

Cons

• Relatively lightweight, which may affect stability on uneven surfaces

The Beats Pill Portable Bluetooth Speaker combines excellent sound quality with durability and convenient features. Its attractive design and long battery life make it suitable for everyday use in diverse settings, providing reliable and enjoyable audio wherever you go.

9. Monster S320 Bluetooth Portable Speaker

Experience exceptional sound clarity with the Monster S320 Bluetooth Portable Speaker. Crafted with decades of audio expertise, this speaker delivers powerful 40W output and immersive 360° stereo sound. Its robust design ensures reliable performance for both indoor and outdoor enjoyment.

Compact and stylish, the Monster S320 seamlessly blends portability with premium audio quality. Ideal for parties, outdoor adventures, or casual listening, it offers an unbeatable balance of functionality and durability.

The Monster S320 Bluetooth Speaker is engineered by renowned sound expert Noel Lee and the Monster Design Team in the USA. It produces rich, surround-style audio with impressive bass, mids, and highs that replicate a live concert experience.

The 360-degree stereo sound fills any space with clear and balanced music.

Equipped with Bluetooth 0, the device supports true wireless stereo dual pairing. Connecting two units doubles the audio power, creating a fuller and wider soundstage. Users will appreciate the easy push-button controls that simplify operation without complicated setups.

Users will appreciate the easy push-button controls that simplify operation without complicated setups.

Durability is a standout feature, boasting IPX7 waterproof certification. It can withstand immersion in water and resist dust, mud, and shocks.

Whether swimming, hiking, or using it in the shower, this rugged speaker continues playing. The built-in microphone also enables hands-free calls, expanding its usability.

With an impressive 32-hour battery life at medium volume, the speaker supports extended listening without frequent recharges. Its tabletop mounting type and compact size make it suitable for any environment.

This speaker represents excellent value for those who desire long-lasting, high-quality sound on the go.

Pros

• Powerful 40W audio output with immersive 360° stereo sound
• True wireless stereo dual pairing for enhanced soundstage
• IPX7 waterproof, shockproof, and dust-resistant for outdoor durability

Cons

• Push button controls may limit advanced customization options

The Monster S320 Bluetooth Portable Speaker offers remarkable sound performance along with rugged versatility. Its combination of extended battery life, waterproof construction, and stereo capabilities makes it a dependable companion for various activities.

10. Marshall Emberton III Portable Bluetooth Speaker

Experience exceptional audio performance with the Marshall Emberton III Portable Bluetooth Speaker. Designed to deliver rich and clear sound, it transforms any space into a personal concert hall. Its compact size and rugged build make it an ideal companion for both indoor and outdoor listening.

Its compact size and rugged build make it an ideal companion for both indoor and outdoor listening.

Boasting a blend of durability and impressive battery life, this speaker supports all-day listening without compromise. Whether relaxing at home or taking your music on the go, it offers practical features that keep the focus on your music.

The Marshall Emberton III is crafted for superior sound quality, incorporating Marshall’s signature Dynamic Loudness technology. This feature automatically adjusts tonal balance to maintain clarity and depth at every volume level.

Durability is a strong suit with an IP67 rating, allowing submersion in water up to 1 meter for 30 minutes. The speaker’s portable design includes a sturdy housing finished in classic black and silver, blending style with resilience.

A 32+ hour battery life on a single charge keeps the music playing through long days and late nights.

Ease of use is enhanced by simple push-button controls and a built-in microphone for clear, hands-free calls. Connectivity is seamless via Bluetooth with a 33-foot range, compatible with smartphones, tablets, and other devices. This speaker suits those who value premium sound quality combined with travel-ready portability and strong build.

This speaker suits those who value premium sound quality combined with travel-ready portability and strong build.

Pros

• Signature Marshall sound with Dynamic Loudness for balanced audio at any volume
• True stereophonic, multi-directional sound that fills any space evenly
• Long-lasting 32+ hours of battery life for extended playtime

Cons

• Limited to 33 feet Bluetooth range, which may restrict some outdoor use

The Marshall Emberton III offers excellent sound clarity and rugged portability, making it a worthy choice for anyone prioritizing great audio quality on the move. Its water and dust resistance add reliability to its stylish design, standing out among similar portable speakers.

Combining robust features with iconic Marshall sound signature, it delivers outstanding value for music lovers.

Things to Consider Before Buying the Best Bluetooth Speaker for Sound Quality

Audio quality factors

Sound quality depends greatly on factors such as driver size and type, as these influence the ability to produce rich and balanced tones across various audio ranges. Larger drivers typically handle bass frequencies more effectively, while different driver types like dynamic or planar magnetic can affect how sound is projected and experienced. The frequency response range plays a significant role in capturing the full spectrum from deep lows to crisp highs, contributing to a more immersive listening experience.

Clarity of sound and low distortion levels are crucial for ensuring music and audio playback remain true to the original recording, without unwanted noise or muddiness. Attention to how clearly vocals and instruments are reproduced, along with minimal distortion even at higher volumes, helps maintain an enjoyable and detailed sound output suitable for a wide range of uses, from casual listening to more engaged audio sessions.

Connectivity options

The Bluetooth version plays a significant role in determining the connection stability and range, with newer versions generally offering improved performance and extended distance between devices. Support for advanced audio codecs such as aptX, AAC, and LDAC can enhance audio quality by allowing higher bitrate streaming, which contributes to a richer listening experience.

NFC pairing simplifies the process of connecting compatible devices by enabling quick and seamless setup with just a tap. These features combine to provide flexible and efficient ways to enjoy music or other audio content in various environments.

Battery life and portability

Battery life plays a major role in how long a bluetooth speaker can provide uninterrupted music or audio enjoyment before needing a recharge. Playback time on a full charge varies among models, with some offering several hours suitable for day-long use while others may last through shorter sessions. Charging speed also affects convenience, where faster chargers or support for USB-C can shorten downtime.

Charging speed also affects convenience, where faster chargers or support for USB-C can shorten downtime. Options for charging might include wall adapters, power banks, or even wireless charging in certain designs. Size and weight contribute significantly to portability, as compact and lightweight speakers are easier to carry around for outings or travel.

Durability often pairs with portability when speakers feature water resistance ratings, allowing them to withstand splashes, rain, or even brief submersion, making them great companions for outdoor activities. Evaluating these elements helps balance convenience and endurance to suit different lifestyles and environments.

Build quality and design

When examining build quality and design, paying attention to the materials used and their durability can reveal a lot about how well the speaker will hold up over time. Speakers crafted from sturdy materials like metal or high-grade plastic often withstand outdoor environments better, resisting scratches, dust, and moisture.

The design also varies depending on intended use; compact and sleek models suit indoor spaces where aesthetics blend with functionality, while rugged, water-resistant designs cater to outdoor adventures and active lifestyles. User interfaces play a role in everyday convenience, with intuitive controls such as easily accessible buttons or touch-sensitive panels enhancing overall experience. Clear labeling and responsive feedback from these controls help with seamless volume adjustments, pairing, and mode switching without hassle.

Additional features

The speakerphone and microphone quality of a wireless speaker plays an important role in delivering clear calls without background noise interference, making it convenient for hands-free conversations. Many models support stereo pairing, allowing two speakers to connect wirelessly for a richer, more immersive soundstage that is perfect for outdoor gatherings or larger rooms. Additionally, multidevice connection is a handy feature that lets multiple users pair their devices simultaneously and switch between them seamlessly, enhancing usability for group settings.

Additionally, multidevice connection is a handy feature that lets multiple users pair their devices simultaneously and switch between them seamlessly, enhancing usability for group settings. Some speakers also offer app support, which provides access to customizable sound settings such as equalizer adjustments and preset modes, enabling a tailored listening experience to match personal preferences or specific genres of music. These features collectively contribute to a versatile and user-friendly device that caters to various audio needs.

FAQ’s

What Features Should I Look For In A Bluetooth Speaker For The Best Sound Quality?

For the best sound quality in a Bluetooth speaker, look for features like high-quality drivers, a wide frequency range, and support for advanced audio codecs such as aptX or AAC. Additionally, consider speakers with good bass response, clear mids and highs, and minimal distortion at high volumes.

Which Bluetooth Speakers Are Known For Delivering The Best Audio Performance?

Bluetooth speakers from brands like Bose, Sonos, and JBL are known for delivering the best audio performance. Models such as the Bose SoundLink Revolve+, Sonos Roam, and JBL Charge 5 offer excellent sound quality with deep bass and clear highs.

How Does Speaker Size Affect The Sound Quality Of Bluetooth Speakers?

Speaker size affects Bluetooth sound quality by influencing bass response and volume; larger speakers typically produce deeper bass and louder sound, while smaller ones offer portability but may lack low-end depth. However, sound quality also depends on design and components, not just size.

Are There Any Bluetooth Speakers That Offer High-Resolution Or Lossless Audio Support?

Yes, some Bluetooth speakers support high-resolution or lossless audio through advanced codecs like LDAC or aptX HD, which enable better sound quality over wireless connections. However, truly lossless wireless audio is rare due to Bluetooth bandwidth limitations, so for the best high-res experience, wired connections or Wi-Fi-based speakers are often preferred.

How Do Battery Life And Connectivity Impact The Overall Sound Experience Of Bluetooth Speakers?

Battery life impacts the sound experience of Bluetooth speakers by determining how long they can deliver consistent audio without interruption, while connectivity affects the stability and quality of the audio signal, preventing dropouts and ensuring clear sound. Together, they ensure a reliable and enjoyable listening experience.

Conclusion

Choosing the best Bluetooth speaker for sound quality involves balancing clear, powerful audio with portability and battery life. While some models excel in delivering rich bass and crisp highs, they may compromise on size or wireless range. Others offer exceptional durability but might lack the finest audio nuances.

Others offer exceptional durability but might lack the finest audio nuances. This speaker suits those who prioritize immersive sound without sacrificing convenience, making it ideal for casual listeners and audiophiles alike. Although no product is flawless, understanding your preferences—such as bass intensity or connectivity options—will help address any uncertainties.

Ultimately, this device represents a strong option for anyone seeking reliable performance combined with clear, high-quality sound, positioning it as a practical choice in the competitive landscape of Bluetooth speakers.