Short answer: the Harman Kardon Onyx Studio 7. It ranks #14 of 112 boombox speakers by sound quality (rated 4.1/5) at $248.90 and is still sold new; the Bumpboxx Flare 6 ranks #82 (rated 2.6/5) and is discontinued, so it is only an option used.
The Harman Kardon Onyx Studio 7 is the better-sounding, lighter pick. An elegant home portable with warm, spacious sound, strong deep bass, and stereo pairing with a second unit. At 6.4 lbs (2.9 kg) it weighs much less than the Bumpboxx Flare 6 at 13 lbs (5.9 kg). It links with other speakers (Wireless Dual Sound), which the Bumpboxx Flare 6 cannot. The tradeoff: Consumer Reports finds the bass prominent and boomy, mids hazy, treble slightly smeared and the soundstage congested.
The Bumpboxx Flare 6 is the longer-running, tougher option. A retro styled stereo party speaker with water resistance and a 12 hour battery. It is rated for 12 hours of battery against 8 for the Harman Kardon Onyx Studio 7. It is rated IPX6, while the Harman Kardon Onyx Studio 7 has no water resistance.
Buy the Harman Kardon Onyx Studio 7. It is rated higher for sound quality; the Bumpboxx Flare 6 is no longer sold new.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
An elegant home portable with warm, spacious sound, strong deep bass, and stereo pairing with a second unit.
A retro styled stereo party speaker with water resistance and a 12 hour battery.
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Specifications Side By Side
| Harman Kardon Onyx Studio 7 | Bumpboxx Flare 6 | |
|---|---|---|
| Price | $248.90 | $300 Discontinued |
| Ranked | #14 of 112 in Boombox Size Portable Bluetooth Speakers | #82 of 112 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Aux Latency | 0ms | - |
| Bass Extension (-10dB) | 37Hz | - |
| Battery Life | 8 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Built-in Microphone | Yes | No |
| IP Rating | None | IPX6 |
| Bluetooth Latency | 266ms | - |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) | 115dB (Manufacturer specified) |
| Party Mode | Yes (Wireless Dual Sound) | No |
| Power Input | DC Barrel Connector (19V/2.1A) | USB-C |
| Stereo | Partially (1 woofer) | Yes |
| Omnidirectional | No | No |
| TWS | No | Yes |
| Weight | 6.4 lbs (2.9 kg) | 13 lbs (5.9 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| App | No | No |
| EQ | No | No |
| Power Bank | No | No |
| USB Playback | No | No |
| Amplifier Power | 50W RMS | 150W |
| Dimensions | 11.3” x 11.3” (285.8 x 285.8 mm) (round design) | 24” x 6” x 14” (609.6 x 152.4 x 355.6 mm) |
| Drivers | 120mm woofer + 2x 25mm tweeters | 6” woofer + tweeters |
| Digital Aux Input | No | No |
| Bluetooth Version | 4.2 | 5.0 |
| Strap | No | - |
| FM Tuner | - | Yes |
| Lights | - | Yes |
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