Short answer: the Turtlebox Gen 3, if you are buying new. The Earfun Uboom X ranks higher than it (#1 vs #71 of 76 boombox speakers, 4.7/5 vs 2.1/5) but is discontinued, so only consider it used; the Turtlebox Gen 3 is still sold new at $430.
What the Turtlebox Gen 3 gets right: A recognizable rugged design and a loud on-paper spec sheet. The catch: it ranks near the bottom of the boombox class here.
Buy the Turtlebox Gen 3 new; the Earfun Uboom X is no longer sold new, so it only makes sense as a used find.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Turtlebox Gen 3 | Earfun Uboom X | |
|---|---|---|
| Price | $430.00 | $159.99 Discontinued |
| Ranked | #71 of 76 in Boombox Size Portable Bluetooth Speakers | #1 of 76 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | ~65Hz | ~38Hz |
| Battery Life | 25 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| IP Rating | IP67 | IP67 |
| MicroSD Playback | Yes | - |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| Weight | 10 lbs (4.54 kg) | 9 lbs (4.1 kg) |
| Bluetooth Codecs | SBC | AAC, SBC |
| App | No | Yes (Earfun Audio app) |
| EQ | No | Yes (App EQ) |
| TWS | Yes | Yes |
| Party Mode | Yes (Turtlebox Party Mode) | Yes (Party Connect mode, up to 50 speakers) |
| Power Bank | Yes (USB-C) | Yes (USB-C) |
| USB Playback | No | No |
| Built-in Microphone | No | Yes |
| Power Input | USB-C | USB-C |
| Bluetooth Version | 5.4 | 5.3 |
| Amplifier Power | 50W | 80W |
| Dimensions | 12” x 7” x 8.7” (305 x 178 x 222 mm) | 15.7” x 5.9” x 8.5” (400 x 150 x 215 mm) |
| Drivers | 1x 6x9” (152x228mm) woofer + 1x 1” (25mm) tweeter | 2x 102mm (4”) woofers + 2x 20mm tweeters |
| Digital Aux Input | No | No |
| Strap | No | - |
| Aux Latency | - | 16ms |
| Bluetooth Latency | - | SBC Video mode 48ms, AAC Video mode 128ms, SBC 112ms, AAC 176ms |
| Maximum SPL | - | 110dB (measured by Alan Ross Reviews) |
| FM Tuner | - | No |
| Discontinued | - | Yes |
| Lights | - | Yes |
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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
Turtlebox Gen 3: $430.00 Amazon eBay
Older models: the Turtlebox Gen 2 (rated 2.1/5) and the Turtlebox (rated 2.1/5).
Pros: Waterproof and crushproof, loud with punchy bass. 25+ hour battery life. USB-C charging and USB-C output charges other devices. True multi-speaker Party Mode added on top of stereo pairing, plus Bluetooth 5.4. Measured bass extension of ~65Hz (-10dB).
Cons: Sounds basically identical to the original and the Gen 2: each generation mainly added features, not sound quality. They pretty much lie about all their specs and sound horrible in all youtube sound samples. Will never hit its claimed 120db at a reasonable measuring distance. Putting your db meter right against the speaker doesn’t count, 1 meter distance is the standard. Barely any bass. Rattles at high volume. Looking at it, it appears to be a generic car 2-way 6x9 speaker in a plastic box.
Full Turtlebox Gen 3 review and specifications →
| Amplifier Power | 50W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~65Hz |
| Battery Life | 25 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.4 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 12” x 7” x 8.7” (305 x 178 x 222 mm) |
| Drivers | 1x 6x9” (152x228mm) woofer + 1x 1” (25mm) tweeter |
| EQ | No |
| IP Rating | IP67 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Party Mode | Yes (Turtlebox Party Mode) |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| USB Playback | No |
| Weight | 10 lbs (4.54 kg) |
- Links
- Reviews, Comparisons and Sound Samples
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Earfun Uboom X: $159.99 Discontinued eBay
Pros: Tuned by Oluv and he knocked it out of the park again. Deeper bass than the Stormbox Blast. Extremely neutral, possibly the best of any modern Bluetooth speaker slightly behind the Vifa Helsinki. This is the only speaker that sounds correct at every single volume level due to Oluv’s individual EQ settings at each volume level. Other speakers will need a different EQ at each volume level. Amazing sounding at low levels as it boosts bass and treble at low levels to account for the equal-loudness contour. Just considering the midrange and treble, this speaker is better sounding than the Earfun Uboom L. Measured bass extension of ~38Hz (-10dB).
Cons: The out of the box 0.33 firmware and EQ sounds horrible. Some users have reported sound interruption issues when running two in TWS, though not on every source device, and disabling AAC resolves it where it occurs. Discontinued.
Setup: Please update it using the Earfun app (Android or iOS) and select an Oluv EQ. The Earfun app has sound profiles created by Oluv for Studio, Indoor, Indoor+, Outdoor, Outdoor+, BOOM xxX, and Ground 0 which are all fantastic. Oluv has a newer firmware pack that brings it up a few more notches of neutral
Full Earfun Uboom X review and specifications →
| Amplifier Power | 80W |
|---|---|
| App | Yes (Earfun Audio app) |
| Aux Input | Yes |
| Aux Latency | 16ms |
| Bass Extension (-10dB) | ~38Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Latency | SBC Video mode 48ms, AAC Video mode 128ms, SBC 112ms, AAC 176ms |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 15.7” x 5.9” x 8.5” (400 x 150 x 215 mm) |
| Discontinued | Yes |
| Drivers | 2x 102mm (4”) woofers + 2x 20mm tweeters |
| EQ | Yes (App EQ) |
| FM Tuner | No |
| IP Rating | IP67 |
| Lights | Yes |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (Party Connect mode, up to 50 speakers) |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 9 lbs (4.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- JOY‘s 3D Audio Show: B&W Zeppelin - audiophile sound quality test 🎧 More from Oluv’Sone →
- Oluv Patreon: B&W Zeppelin vs Earfun UBoom X (indoor+)
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- Joy & Oluv’Sone: $600 premium Bluetooth speaker vs $115 cheapo UBoom X
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