Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The Tribit Stormbox Lava ranks #3 of 82 large speakers by sound quality at $100; the Bose Soundlink Flex 2nd gen ranks #35 of 144 medium speakers by sound quality at $159.

Different sizes. The Stormbox Lava is a large 2.37 kg stereo speaker. The Flex 2nd Gen is a medium 586 g speaker. Each is rated within its own class.
The Lava measured about 108dB with bass to about 44Hz, and has a 10-band app EQ, an aux input and a claimed 24 hours. Keep XBass restrained.
The Flex 2nd Gen has a clear midrange, AAC and aptX Adaptive, and a claimed 12 hours. It is mono with no low bass rumble.
Buy the Tribit Stormbox Lava ($100) for a large speaker; the Bose Soundlink Flex 2nd gen ($159) suits a medium speaker instead.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Tribit Stormbox Lava | Bose Soundlink Flex 2nd gen | |
|---|---|---|
| Price | $100 | $159.00 |
| Ranked | #3 of 82 in Large Size Portable Bluetooth Speakers | #35 of 144 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | No |
| Aux Latency | 20ms | - |
| Bass Extension (-10dB) | 44Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC | SBC, AAC, aptX Adaptive |
| Bluetooth Latency | 128ms AAC, 144ms SBC | - |
| Built-in Microphone | Yes | Yes |
| EQ | Yes (10 band) | Yes (3 band) |
| IP Rating | IP67 | IP67 |
| Maximum SPL | 108dB (measured by Alan Ross Reviews) | - |
| Party Mode | No | Yes (Bose Party mode) |
| Power Bank | Yes (USB-A) | - |
| Power Input | USB-C | USB-C |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 5.2 lbs (2.37 kg) | 1.3 lbs (586 g) |
| Bluetooth Version | 5.4 | 5.3 |
| Dimensions | 12.2” x 5.8” x 6” (310 x 147 x 152 mm) | 7.9” x 3.5” x 2” (201 x 90 x 52 mm) |
| Drivers | 2x 70mm woofers, 2x 30mm tweeters | 60mm full-range driver with passive radiators |
| Frequency Response | 43Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 80W | - |
| Digital Aux Input | No | No |
| Strap | Yes (detachable shoulder strap) | Yes (built-in loop) |
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Prices on this page were last checked September 26, 2026 at 11:14 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Tribit Stormbox Lava: $100 Amazon AliExpress eBay
Pros: A powerful, IP67-rated portable speaker with a measured 44Hz -10dB bass point, 10-band app EQ, aux input and 24-hour claimed battery life. Independent reviews find that it gets loud with impactful bass, and careful EQ or current firmware can produce relatively clean sound through the mids and highs. Measured bass extension of 44Hz (-10dB).
Cons: XBass can make the low end muddy and obscure vocals, while the deepest notes lose authority and clarity falls at maximum volume. It is heavy for its size, its front-facing design has a narrow soundstage, and one review noted a brief sound interruption while changing volume; use a restrained EQ rather than expecting neutral sound out of the box.
Setup: Try out the Alan Ross EQ’s at this timestamp in his video There’s also a max bass EQ from Oluv and you can turn down the lowest slider for it to be more neutral
Full Tribit Stormbox Lava review and specifications →
| Amplifier Power | 80W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Aux Latency | 20ms |
| Bass Extension (-10dB) | 44Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Latency | 128ms AAC, 144ms SBC |
| Bluetooth Version | 5.4 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 12.2” x 5.8” x 6” (310 x 147 x 152 mm) |
| Drivers | 2x 70mm woofers, 2x 30mm tweeters |
| EQ | Yes (10 band) |
| Frequency Response | 43Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| Maximum SPL | 108dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | Yes (detachable shoulder strap) |
| TWS | Yes |
| Weight | 5.2 lbs (2.37 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- JOY‘s 3D Audio Show: Tribit StormBox Lava vs SoundCore Boom 2 - sound quality demo More from Oluv’Sone →
- Oluv Patreon: An evening with the “best portable speakers”?
- Alan Ross Reviews: Tribit Stormbox Lava Latest Firmware Update Result! v2.0.3 More from alanrossreviews →
- Alan Ross Reviews: From harsh to smooth with these EQ settings - Tribit StormBox Lava
- Alan Ross Reviews: Tribit StormBox Lava Just Got a MASSIVE Update… WOW! 🔥
- Alan Ross Reviews: Some people love the Tribit Stormbox Lava, highly professional review 😁
- Mateusz Cholewa: Tribit Stormbox Blast 🎶 🆚Deep BASS - Tribit Stormbox LAVA More from Mateusz Cholewa →
- Mateusz Cholewa: TRIBIT StormBox LAVA vs EarFun UBOOM X
- Mateusz Cholewa: TRIBIT StormBox LAVA vs Soundcore BOOM 2
- Mateusz Cholewa: TRIBIT StormBox LAVA - Unboxing.📦 Short Test vs Xtreme 4
- Mateusz Cholewa: TRIBIT StormBox LAVA Deep BASS 🆚 JBL XTREME 4
- Oluv Patreon: Tribit Stormbox Lava - quick look
- Mateusz Cholewa: 👌TRIBIT StormBox LAVA Deep Bass 🆚 Bogasing S8 Pro MAX - HiFi?
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Bose Soundlink Flex 2nd gen: $159.00 Amazon eBay
Older model: the Bose Soundlink Flex (rated 3.8/5).
Pros: A very portable 586g, IP67-rated speaker with a clear, well-balanced midrange that keeps voices and instruments intelligible. The second generation adds a Bose app with 3-band EQ, better-placed controls and stereo pairing with another Bose Soundlink Flex 2nd gen. It supports AAC and aptX Adaptive in addition to SBC, making it a stronger wireless option than most small rivals.
Cons: One Flex remains mono and cannot deliver genuine low-bass rumble; RTINGS also found the elevated treble can turn hi-hats and other high-frequency detail piercing. The claimed battery life is only 12 hours, and some owners report accelerated standby drain after firmware updates. It is expensive for its size, so the added app and codec support, not a transformational sound upgrade over the original, are the main reasons to choose it.
Full Bose Soundlink Flex 2nd gen review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.9” x 3.5” x 2” (201 x 90 x 52 mm) |
| Drivers | 60mm full-range driver with passive radiators |
| EQ | Yes (3 band) |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | Yes (Bose Party mode) |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (built-in loop) |
| TWS | Yes |
| Weight | 1.3 lbs (586 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen vs Flex More from Oluv’Sone →
- Oluv Patreon: Bose Soundlink Flex 2nd gen - sound demo
- Tô Thái Trí Hùng: Unbox & Sound Test - Bose Soundlink Flex 2
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen & Soundcore Motion 300 sound test
- Alan Ross: Hall of Fame classic vs latest Bose tech! More from alanrossreviews →
- CEONTHEMAKING: Bose Soundlink Flex 2nd Gen VS Marshall Emberton III - What’s NEW?? More from CEONTHEMAKING →
- Alan Ross - The Anti Shill!: Small speaker, mighty sound, The Flex gen 2 shatters physics!
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