Short answer: the W-King D10 for battery and features, the EarFun Uboom X for tuning. The D10 claims 70W RMS and 120W peak output, 106dB max volume, a 42-hour battery with power bank function and IPX6, but it has an upper bass boost and its bass is not that deep. The Oluv-tuned Uboom X at $159.99 against $99.99 needs its horrible out-of-the-box 0.33 firmware and EQ replaced.
Buy the W-King D10 if you want one new; the EarFun Uboom X is discontinued, so only look for it used.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
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Specifications Side By Side
| EarFun Uboom X | W-King D10 | |
|---|---|---|
| Price | $159.99 Discontinued | $99.99 |
| Ranked | #1 of 113 in Boombox Size Portable Bluetooth Speakers | #80 of 113 in Boombox Size Portable Bluetooth Speakers |
| App | Yes (Earfun Audio app) | No |
| Aux Input | Yes | Yes |
| Aux Latency | 16ms | 50ms |
| Bass Extension (-10dB) | ~38Hz | 60Hz |
| Battery Life | 30 hours (Manufacturer specified) | 42 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC |
| Built-in Microphone | Yes | No |
| EQ | Yes (App EQ) | Yes (bass boost + DSP) |
| IP Rating | IP67 | IPX6 |
| Bluetooth Latency | SBC Video mode 48ms, AAC Video mode 128ms, SBC 112ms, AAC 176ms | 133ms |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) | 106dB (measured by Alan Ross Reviews) |
| Party Mode | Yes (Party Connect mode, up to 50 speakers) | No |
| Power Bank | Yes (USB-C) | Yes |
| Power Input | USB-C | USB-C |
| TWS | Yes | Yes |
| Weight | 9 lbs (4.1 kg) | 7.9 lbs (3.6 kg) |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| USB Playback | No | Yes |
| FM Tuner | No | No |
| Bluetooth Version | 5.3 | 5.4 |
| Amplifier Power | 80W | 120W max / 70W RMS |
| Dimensions | 15.7” x 5.9” x 8.5” (400 x 150 x 215 mm) | 14.5” x 7.6” x 6.1” (369 x 194 x 154 mm) |
| Drivers | 2x 102mm (4”) woofers + 2x 20mm tweeters | 2x 40mm drivers + passive radiator |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Strap | Yes (detachable shoulder strap) | - |
| MicroSD Playback | - | Yes |
| Microphone Input | - | Yes (Karaoke mode with echo effect) |
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