Compact, Durable, Loud: Inside the Bose SoundLink Flex (2nd Generation)

Editor’s Note: Last updated on February 5, 2025

In the portable audio scene, the Bose SoundLink Flex Bluetooth Speaker shines as a top pick for its awesome quality, toughness, and killer sound.  Are you thinking about a beach vacation or just looking to enjoy some awesome sound while driving? The Soundlink Flex Gen 2 (2nd Generation) has got your back.

I’ve always been on the quest for a portable speaker that could truly keep up with my life. I need something small enough to throw in my bag, tough enough to handle a few bumps and drops, and, most importantly, something that actually sounds good.

I can’t wait to tell you all the reasons why I believe the SoundLink Flex Gen 2 is a big deal in the world of portable audio. Let’s get into it!

Overview and Specifications

Bose’s patented technology powers the promise of deep, clear, and crisp sound that is at the core of the Soundlink Flex. It provides a reliable and effective wireless connection to your smartphone thru its upgraded Bluetooth 5.3 connectivity. With its long battery life, the speaker provides up to 12 hours of continuous music playback. With its IP67 water and dust-resistant rating, you can count on it to be tough and ready for any outdoor adventure.

The PositionIQ technology of the Bose SoundLink Flex Gen 2 is one of its best features; it automatically adjusts sound output depending on the direction of the speaker. When the SoundLink Flex is standing upright, resting flat, or hanging from a strap, it adjusts its audio profile for the best possible sound quality. This cool feature lets you use the music anywhere and in any way you want, and it will still sound loud no matter how you set up the speaker.

The SoundLink Flex Gen 2 is made to be user-friendly. It guides you with voice prompts during the Bluetooth pairing process, so you can quickly and easily connect to your chosen device. You can use simple voice commands with the speaker, and it works seamlessly with Siri or Google Assistant on your phone, so you can control your music and other features without lifting a finger.

Build and Design

The Bose SoundLink Flex Gen 2 is designed to look good while being tough and durable. Built to endure the wear and tear of everyday use, it is an ideal travel buddy for outdoor adventures.  The speaker is both dust and waterproof (IP67 rated), and it can even float! So, you can relax and enjoy your pool parties or beach days without a worry.  The silicone exterior and powder-coated steel grille make it tough while also giving it a sleek, sophisticated look. 

Available in a variety of colors (alpine sage, black, blue dusk, and sandstone), the SoundLink Flex can complement any personal style while its compact size makes it easy to carry in a backpack or tote bag. The SoundLink Flex stands out in the crowded portable speaker market thanks to its unique combination of form and function, providing both excellent music quality and a robust design that can withstand an active lifestyle.

Battery Life and Durability

The Bose SoundLink Flex boasts an impressive battery life, so you can enjoy up to 12 hours of uninterrupted playback on a single charge. It’s ideal for those long days out, marathon work sessions, or even a night under the stars while camping. Because it charges quickly, you won’t have to wait long to resume listening to music or making calls.

The Bose SoundLink Flex is really made to stand the test of time. It satisfies the IP67 standard for durability, waterproofness, and dustproofness and is made to withstand severe weather conditions. The speaker is not just good at being underwater; it also keeps dust out suitable for any trip you have in mind.

It is built to last, thanks to the powder-coated steel grille and rubber shell. It can handle drops, bumps, and scrapes without losing its performance.

Enhancing the Audio Experience

A novel multi-connect function of the Bose SoundLink Flex Gen 2 allows for the smooth pairing of two devices at once. This feature is ideal for settings where music is shared among friends or family since it is designed for people who enjoy easily switching between music sources. Moving from a podcast on your tablet to your favorite playlist on your smartphone is made simple with the SoundLink Flex Gen 2.

Bose SimpleSync technology is also included in the SoundLink Flex’s design. With the use of this innovative function, you can connect the speaker to other Bose devices to enhance and intensify the audio quality.

For Travelers

If you’re an outdoor enthusiast or a traveler looking for a dependable buddy for your adventures, you’ll really appreciate the Soundlink Flex’s sturdy design and water resistance. Your favorite music will always be a part of the experience, adding to every moment, whether you’re organizing a fun beach party or going on a leisurely trek in the hills.

Its small size and easy portability mean it fits right into any travel bag, letting you bring your favorite playlists along wherever you head off to.  The utility loop is a thoughtful touch that allows for easy attachment to tents, branches, or backpacks.

For Audiophiles

If you’re an audiophile, you will appreciate the Soundlink Flex Gen 2 for its sound quality. The Soundlink Flex uses modern technology to deliver clear highs and deep, rumbling lows. This gives you a listening experience that feels just as rich and engaging as those larger, more fixed sound systems.

For Everyday Use

Its sleek design really adds a touch of style to any room. Enjoy your favorite playlist at maximum volume in a cozy conference, listen to podcasts while you cook, or just enjoy dinner with some soft background music — the SoundLink Flex’s Gen 2 improves audio experience.  You can use it daily and always have access to high-quality sound because it’s  designed for durability and features a long-lasting battery

For the Environmentally Conscious

Nowadays, when sustainability is crucial, the Soundlink Flex also appeals to the environmentally conscious consumer. Its sturdy design means it lasts longer, so you won’t have to replace it often. It uses materials chosen with care to be kinder to the environment.

You can really see the commitment to sustainability in the packaging, which is made from recycled and recyclable materials. It definitely matches what consumers are looking for when they prioritize eco-friendly products. With the Soundlink Flex, you can enjoy top-notch sound quality and feel good about supporting eco-friendly manufacturing practices.

SoundLink Flex  Gen 1 vs. SoundLink Flex  Gen 2: What’s the Difference? 

The Bose SoundLink Flex 2nd Generation introduces several updates over the first-generation model.  Here is the summary. 

  Design and Controls

• • • • Shortcut Button: A new customizable shortcut button allows quick access to features like voice assistants or music services. 
      • Redesigned Control Panel: The control panel has been updated for improved usability, with a more recessed design and an isolated power button for easier access. 

  Software and Connectivity:

• • • • Equalizer Support: The 2nd Gen model includes an equalizer in the companion app, enabling users to adjust bass, midrange, and treble settings. 
      • Bluetooth Version: Upgraded to Bluetooth 5.3 from the previous 4.2, offering improved connectivity and energy efficiency. 

  Audio Performance

• • • • Codec Support: The addition of aptX codec support provides enhanced audio quality for compatible devices. 

  Compatibility

• • • • App Integration: The 2nd Gen model uses the Bose Music app, while the 1st Gen relies on the Bose Connect app. This difference means that stereo pairing between the two generations is not supported.

So, to wrap it up, while the core design and sound quality remain consistent, the SoundLink Flex 2nd Generation offers enhanced features in controls, connectivity, and software integration.

Measuring Up the Competitors 

In the compact Bluetooth speaker market, the SoundLink Flex Gen 2 faces stiff competition from brands like JBL, Sony, and Ultimate Ears. Comparatively, the Flex holds its own in terms of build quality and sound performance. While some competitors may offer features like LED lights or higher waterproof ratings, the SoundLink Flex prioritizes superior audio quality and durability.

The JBL Charge 5 model

The JBL Charge 5, for instance, is a close competitor with a similar price range. It offers longer battery life and the ability to charge other devices. However, the SoundLink Flex Gen 2 surpasses it in audio quality, especially with its PositionIQ technology and more natural sound profile. 

Is it worth buying?

Figuring out if the Bose SoundLink Flex is a buy or not depends on what you’re looking for. Its sturdy build, ability to resist water, and top-notch sound quality make it stand out in the world of portable Bluetooth speakers.

For those prioritizing durability, audio fidelity, and the convenience of the Bose Connect app, the SoundLink Flex presents a compelling option. However, the ultimate value may vary based on how much one values brand reputation, sound quality, and specific features like water resistance and portability. If your priorities align with what the SoundLink Flex Gen 2 offers, it is certainly worth considering.

CHECK STOCK ON AMAZON

CHECK LAZADA PHILIPPINES

---

Must Read: Which Sonos Speakers Are Right For You? Our comprehensive buying guide

---

The Bottom Line

So, why does the Bose SoundLink Flex stand out?

I can confidently say this little speaker punches well above its weight. It’s not just about being compact, durable, and loud — it’s about delivering sound that feels alive no matter where I take it. It’s no surprise that it is a popular choice by many and it’s easy to see why.

If you’re after a speaker that doesn’t just sound good but also keeps up with your lifestyle, the Bose SoundLink Flex is worth every penny. It’s small but mighty, tough but stylish, and — most importantly  it blends premium Bose sound quality with an adventure-ready designed to withstand even your most bold and extreme adventures.  It’s definitely one of the best choices in its category. 

---

Guidelines for Optimal Usage

To get the most out of your Bose SoundLink Flex Bluetooth speaker, you can follow these tips for optimal use of the device:

  Optimal Placement

• • • • Vertical Positioning: To get the best sound quality, try placing the speaker upright. This setup helps spread sound waves more effectively, giving you a more engaging listening experience.
      • Avoid Obstructions: Keep the speaker away from walls and corners where sound can be muffled or bass can become overly pronounced. Open spaces allow for better sound projection.

  Utilize PositionIQ Technology

• • • • Make Use of PositionIQ: Make sure you’re using the PositionIQ technology, which automatically tweaks the sound output depending on how the speaker is oriented. Try out various positions to discover what gives you the best sound in different settings.

  Battery Management

• • • • Charge Regularly: To maintain the longevity of the battery, avoid letting it run completely flat. Regular charging helps preserve battery life.

      • Turn Off When Not in Use: To save some battery, just turn off the speaker when you’re not using it, especially if you won’t need it for a while.

  Use with Bose Connect App

• • • • Download the Bose Connect App: Enhance your user experience by using the Bose Connect app. It allows for easy toggling between Bluetooth devices, updates your speaker’s software, and more.

      • Customize Settings: Use the app to adjust settings like auto-off timers, language, and volume synchronization.

  Firmware Updates

• • • • Keep Updated: Regularly check for firmware updates through the Bose Connect app. Updates can improve device performance, add new features, and fix bugs.

  Cleaning and Maintenance

• • • • Regular Cleaning: Clean the speaker regularly with a dry cloth to remove dust and debris. For more stubborn stains, use a slightly damp cloth with mild soap.

      • Check for Debris: Make sure to check the ports and grilles for any blockages, which can affect sound quality and functionality.

Frequently Asked Questions: (FAQs)

  What does IP67 rating of the Bose SoundLink Flex mean?

The Bose SoundLink Flex has an IP67 rating, which means it is fully protected against dust and can be submerged in water up to a depth of one meter for about 30 minutes without sustaining damage.

  How does the PositionIQ technology enhance the audio experience?

PositionIQ technology automatically detects the orientation of the speaker and adjusts the audio output to optimize sound quality, ensuring the best listening experience whether the speaker is hanging, placed flat, or standing upright.

  Can I use the SoundLink Flex while charging?

Yes, you can continue to use the speaker while it is charging without any disruption to the audio playback.

  How do I update the firmware on my SoundLink Flex?

Firmware updates for the SoundLink Flex can be done through the Bose Connect app, which is available for iOS and Android devices. The app also helps manage device connections and settings.