Short answer: the LG Xboom Stage 301. It ranks #36 of 112 boombox speakers by sound quality (rated 3.7/5) at $229.99 and is still sold new; the Diamondboxx M3 ranks #76 (rated 2.8/5) and is discontinued, so it is only an option used.
The LG Xboom Stage 301 is the better-sounding, tougher option. A wedge shaped karaoke speaker with a swappable battery and multiple standing positions. It is rated IPX4, while the Diamondboxx M3 has no water resistance. It supports AAC Bluetooth, which the Diamondboxx M3 lacks. It links with other speakers (Auracast), which the Diamondboxx M3 cannot. The catch: overpriced for what it is.
The Diamondboxx M3 is the longer-running choice. A compact, very loud boombox with a powerful amplifier and a choice of large battery packs. It is rated for 40 hours of battery against 12 for the LG Xboom Stage 301. Watch for: Despite its output, bass does not reach as deep as the best large portables and can distort when pushed hard.
Buy the LG Xboom Stage 301. It is rated higher for sound quality, and the Diamondboxx M3 is discontinued, so it is only available used.
Looking for alternatives? See the complete Portable Bluetooth rankings.
A wedge shaped karaoke speaker with a swappable battery and multiple standing positions.
A compact, very loud boombox with a powerful amplifier and a choice of large battery packs.
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Specifications Side By Side
| LG Xboom Stage 301 | Diamondboxx M3 | |
|---|---|---|
| Price | $229.99 | $700 Discontinued |
| Ranked | #36 of 112 in Boombox Size Portable Bluetooth Speakers | #76 of 112 in Boombox Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 43Hz | - |
| Battery Life | 12 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC |
| IP Rating | IPX4 | None |
| Party Mode | Yes (Auracast) | No |
| Stereo | Partially (1 woofer) | Yes |
| Omnidirectional | No | No |
| Weight | 13.7 lbs (6.2 kg) | 11 lbs (5 kg) |
| App | Yes (LG Xboom app) | No |
| EQ | Yes (App EQ) | No |
| TWS | No | Yes |
| Power Bank | No | No |
| USB Playback | No | No |
| Built-in Microphone | No | No |
| Power Input | USB-C | USB-C |
| Amplifier Power | 120W | 200W RMS / 400W peak |
| Dimensions | 8.7” x 3.1” x 3.5” (220 x 80 x 90 mm) | 14.7” x 9” x 8” (373.4 x 228.6 x 203.2 mm) |
| Drivers | 6.5” woofer + dual 2.5” midrange drivers (Peerless) | 3” woofer + tweeter array |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Aux Input | Yes | Yes |
| Bluetooth Version | 5.4 | 5.0 |
| Strap | No | - |
| FM Tuner | - | No |
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