Short answer: the Bugani Brief Pro, if you are buying new. The EarFun Uboom X ranks higher than it (#1 vs #28 of 113 boombox speakers, 4.7/5 vs 3.8/5) but is discontinued, so only consider it used; the Bugani Brief Pro is still sold new at $99.98.
The UBoom X is the proven one. It is extremely neutral, reaches deeper than the Tribit Stormbox Blast and measured about 110dB. In a side by side sound test, listeners were split: some heard the Brief Pro as cleaner at full volume, others preferred the UBoom X’s more accurate treble, faster bass and wider stereo.
At high volume the Brief Pro can turn harsh and loses bass. The evidence on the Brief Pro is listening comparisons rather than measurements.
The UBoom X is discontinued, so the Brief Pro is the one you can buy new.
Buy the Bugani Brief Pro if you want one new; the EarFun Uboom X is discontinued, so only look for it used.
There is a real battery-life gap here: the EarFun Uboom X is rated for 30 hours, the Bugani Brief Pro only 12 hours.
Want more options? Browse the full Portable Bluetooth rankings.
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Specifications Side By Side
| EarFun Uboom X | Bugani Brief Pro | |
|---|---|---|
| Price | $159.99 Discontinued | $99.98 |
| Ranked | #1 of 113 in Boombox Size Portable Bluetooth Speakers | #28 of 113 in Boombox Size Portable Bluetooth Speakers |
| App | Yes (Earfun Audio app) | - |
| Aux Input | Yes | Yes |
| Aux Latency | 16ms | - |
| Bass Extension (-10dB) | ~38Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | - |
| Built-in Microphone | Yes | - |
| EQ | Yes (App EQ) | - |
| IP Rating | IP67 | IPX5 |
| Bluetooth Latency | SBC Video mode 48ms, AAC Video mode 128ms, SBC 112ms, AAC 176ms | - |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (Party Connect mode, up to 50 speakers) | - |
| Power Bank | Yes (USB-C) | - |
| Power Input | USB-C | USB-C |
| TWS | Yes | Yes |
| Weight | 9 lbs (4.1 kg) | - |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| USB Playback | No | - |
| FM Tuner | No | - |
| Bluetooth Version | 5.3 | 5.3 |
| Amplifier Power | 80W | 80W RMS (160W peak) |
| Dimensions | 15.7” x 5.9” x 8.5” (400 x 150 x 215 mm) | 6.7”H x 16.5”W x 5.8”D (170 x 420 x 147 mm) |
| Drivers | 2x 102mm (4”) woofers + 2x 20mm tweeters | 2x 4” woofers + 2x 44mm tweeters |
| Digital Aux Input | No | - |
| Lights | Yes | - |
| Strap | Yes (detachable shoulder strap) | No |
Watch Them Compared
Videos and reviews that test both speakers side by side.
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