Compare Bose SoundLink Flex Portable Speaker, 2nd Gen vs Tribit StormBox 2 Bluetooth Speaker

Reviews described the 34-watt output or dual 17-watt amplification as a meaningful upgrade for the size class.

App reliability was mixed: some reviewers found setup easy, while one found phantom devices frustrating and another noted missing options.

Audio format support is supported by SBC, AAC, aptX and higher-quality Android streaming references.

Audio format/protocol support was reported through A2DP, AVRCP, HFP, and HSP support.

Backward compatibility is weak because multiple reviewers state the second-generation model cannot stereo-pair with the original Flex.

Battery life is adequate but not a highlight, with reviewers citing up to 12 hours and much shorter runtime at high volume or in tests.

Battery life was one of the clearest strengths, with reviews commonly citing up to 24 hours and some reporting 20 to 27 hours in use.

Codec support is a meaningful Gen 2 upgrade, with reviewers citing Snapdragon Sound, aptX, SBC and AAC support.

Codec support was basic but acceptable for the class, with AAC and SBC specifically reported.

Bluetooth connection stability is praised by several reviewers, with notes on Bluetooth 5.3, Snapdragon Sound, no hiccups and no disconnections.

Bluetooth stability was generally strong, with multiple reviewers reporting stable, reliable, or problem-free connections.

Bluetooth range is only lightly covered, with one spec citing 30 feet and another reviewer saying they could walk a good distance before issues.

Bluetooth range was consistently strong, with reviews citing 150 feet, 45 meters, 400 feet, or long-distance outdoor use.

Cabinet construction is praised through metal or steel grille references plus rubberized, silicone or aluminum casing materials.

Build and cabinet construction were generally solid for the price, with sturdy cloth, fabric, and well-made body comments.

Charging is a recurring weakness: reviewers repeatedly cite about four hours to recharge, which some call slow or disappointing.

Charging time was a weakness relative to battery life, with reviews citing roughly four hours and no fast charging.

Cohesive presentation is strong overall, with reviewers describing the sound as balanced, full, clear or unexpectedly capable for the size.

Cohesion was strongest with rock, bass-heavy, or casual listening, though detail-focused genres were sometimes less convincing.

Controls are mixed: some found them easy, but SoundGuys called the buttons mushy and Android Police found touch operation confusing.

The large physical controls were repeatedly praised as intuitive and convenient.

Design and aesthetics are a major consensus strength, with repeated praise for the premium feel, colors, slim body and attractive grille.

Design impressions were generally positive for portability, fabric finish, ruggedness, and simplicity, though not every reviewer liked the shape or lack of color choice.

Detail retrieval is a strength for the size, with reviewers hearing crisp detail, nuance and separated musical layers.

Detail retrieval was context-dependent: reviewers heard good clarity and instrument detail, but several noted lost detail or limited treble finesse.

High-volume behavior is mixed: some reviewers say Bose processing keeps distortion controlled, while others heard clarity drop or distortion at higher volumes.

High-volume behavior was mixed: several reviews praised limited distortion, but others heard sibilance, harshness, or bass limiting when pushed hard.

Durability is strong, with reviewers citing rugged construction, drop-proof claims, solid feel and protection against outdoor abuse.

Dust resistance is strongly supported by repeated IP67 and dustproof references across the reviews.

Dust resistance was a recurring caveat because reviews noted no dust rating or dustproofing despite the waterproof build.

Dynamic headroom is supported by TechRadar's bass comments, though the broader evidence suggests dynamics are good for size rather than huge.

Dynamic headroom was mixed, with good power for the class but audible limiting or reduced balance as volume climbed.

Energy efficiency is only lightly supported, with one reviewer noting effective sleep behavior that avoids unnecessary battery drain.

Energy efficiency was tied to Bluetooth 5.3 and RunStretch-style battery management in one review.

EQ customization is one of the clearest upgrades, but reviewers generally describe it as useful while limited to basic bands or presets.

EQ customization was one of the strongest feature themes, with custom EQ, presets, and app control widely noted.

Everyday usability is strong for desks, bedrooms, travel, poolside use and small gatherings thanks to the compact design and easy operation.

Everyday usability was strong thanks to portability, simple controls, water resistance, and easy use for outdoor or casual listening.

Float capability is directly praised by multiple reviewers, who note the speaker floats if dropped in water.

Most reviewers describe the sound as balanced, clear or full, with punchy bass for the size but not true party-speaker low end.

Most reviews described the tuning as clear, balanced, or bass-friendly, while a few found treble-heavy or detailed material less convincing.

Google Assistant was explicitly supported in one review's feature rundown.

The fabric loop or strap is useful for bags and hooks, though one reviewer wanted a more flexible loop or included carabiner.

The strap helped with carrying, but reviews criticized it for being short, unsnappable, limited, or non-removable.

Home theater integration is limited but present through Bose SimpleSync with compatible Bose smart speakers or soundbars.

Inter-speaker connectivity is supported through Bose speaker linking, stereo mode and party mode, but compatibility limits reduce flexibility.

Inter-speaker connectivity through TWS/stereo mode was repeatedly noted and usually praised.

Latency is mostly described positively for video and streaming, though one reviewer still noticed a minor amount of video latency.

Latency evidence was limited but positive, with Bluetooth 5.3 linked to reduced latency or low-latency streaming for video-like use.

LED lighting effects were effectively absent; reviews framed the speaker as low-key rather than light-show focused.

Lighting effects were not a selling point, with reviews noting the lack of RGB or fancy LEDs.

Reviewers say the Flex 2 gets loud enough for rooms, yards and small outdoor groups, but several note it is not the loudest or best for large spaces.

Reviewers generally found the StormBox 2 loud for its size and price, with extra output from stereo pairing, though some noted limits at very high volume.

Low-volume performance is only lightly supported, but TechRadar specifically heard clearer vocals at lower volume levels.

Low- and mid-volume playback was a relative strength, with one review explicitly saying the speaker works best there.

The built-in microphone is confirmed for calls and assistant access, though call quality evidence is limited.

Microphone support appeared in multiple reviews, mainly for hands-free calls rather than high-end voice capture.

Pairing reliability is generally positive when using compatible Bose speakers, though the ecosystem is limited and not backward-compatible with the original Flex.

TWS and stereo pairing were repeatedly praised as easy and worthwhile, with reviewers reporting stronger volume, a wider stage, or minimal latency.

Multipoint is repeatedly confirmed, letting the speaker connect to two devices or manage multiple sources through the Bose app.

One review directly reported simultaneous connection to two devices for switching between a phone and laptop.

Omnidirectional sound is a weakness; Tom's Guide specifically describes strong directionality and a narrow soundstage.

Omnidirectional sound was repeatedly praised, with reviewers noting clear sound from different placements or directions.

On-device controls are generally useful and complete, but touch-finding and button feel vary by reviewer.

On-device controls were a clear usability strength, especially the oversized volume and playback buttons.

Power-bank support is absent; reviewers explicitly say it cannot charge a phone or other devices.

Value opinions are mixed: several reviewers say the quality justifies the price or sales help, while others call it expensive or a Bose tax.

Price/value was a major strength, with reviewers repeatedly calling out the budget price and strong performance for the money.

Privacy evidence was limited but positive because one app review said no account was required.

Remote-style app controls were useful for volume and media playback, though this was a secondary feature rather than a full remote.

Setup receives direct positive support from one reviewer who called it easy to set up and easy to use.

Setup was usually straightforward through Bluetooth or the app, but one review disliked having to reconnect manually each session.

The shortcut button can access a phone voice assistant, but reviewers frame this as basic phone-assistant access rather than a full built-in assistant.

Voice assistant integration was mentioned through Google Assistant support, but reviewers did not deeply test assistant behavior.

Smart features are limited: reviewers mention app controls, shortcuts, Spotify options and voice-assistant access, but repeatedly describe the feature set as lean.

Smart features centered on the Tribit app, including EQ, firmware updates, battery status, auto-shutdown options, and device settings.

Speakerphone quality is only lightly supported, with one reviewer saying the microphone works fine for quick calls but does not sound amazing.

Speakerphone support was present and one reviewer found a phone call sounded good through the speaker.

Status indicators are only lightly covered, with SoundGuys noting a status light above the shortcut button.

Status indicators were useful for battery, connection, sound mode, or battery level through LEDs and the app.

Stereo and imaging evidence is mixed: two-unit stereo mode can add separation, but the single speaker is directional and not especially wide.

Stereo pairing was viewed positively, giving a wider stage and a more convincing left/right effect when two speakers were used.

The 360-degree dispersion was useful from different listening positions, but one review cautioned that true immersive surround is limited by a single small speaker.

USB-C charging is consistently confirmed, though reviewers also note the port does not provide wired audio or power-bank output.

USB-C charging was consistently present, usually behind a protective rubber flap and paired with an included cable.

Value for money is mixed but generally acceptable: reviewers praise quality for the price while noting cheaper rivals exist.

Value for money was a major consensus point, especially against pricier JBL, UE, Bose, and other alternatives.

Vocals are consistently described as clear, easy to hear or delicate, supporting strong voice clarity for music and spoken content.

Voice and vocal clarity came through as a strength in multiple reviews, with voices described as present, clear, or naturally reproduced.

Water resistance is a major strength: reviewers repeatedly cite IP67 protection or water immersion suitability.

Water resistance was consistently supported by the IPX7 rating and pool/outdoor use cases.

The speaker is widely praised as slim, light and bag-friendly, with reviewers repeatedly saying it is easy to carry or pack.

The speaker was consistently described as easy to carry, with reviewers citing low weight, backpack fit, and day-trip portability.

Wired playback is a clear weakness: reviewers repeatedly state there is no 3.5mm jack and USB-C is for charging, not audio.

The wired 3.5 mm input was repeatedly mentioned as a useful extra alongside Bluetooth.