Short answer: the Harman Kardon Onyx Studio 5 for the design, the Sonos Move 2 for a warm, relaxed treble. Both are warm: the Move 2 has somewhat rolled off treble and is not very loud, while the Onyx Studio 5 pairs its boosted bass with an elegant circular design and carrying handle. At $499.99 versus $480 it comes down to which look and feature set you prefer. The Harman Kardon Onyx Studio 5 is discontinued; its replacement is the Harman Kardon Onyx Studio 9.
Buy the Harman Kardon Onyx Studio 5 ($499.99) for a boombox speaker; the Sonos Move 2 ($480) suits a large speaker instead.
Battery life favors the Sonos Move 2: rated for 24 hours against 8 hours for the Harman Kardon Onyx Studio 5.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
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Specifications Side By Side
| Harman Kardon Onyx Studio 5 | Sonos Move 2 | |
|---|---|---|
| Price | $499.99 Discontinued | $480.00 |
| Ranked | #24 of 113 in Boombox Size Portable Bluetooth Speakers | #28 of 120 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 8 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| IP Rating | IPX7 | IP56 |
| 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 | Yes (see https://www.reddit.com/r/Bluetooth_Speakers/comments/w339x5/how_to_harman_kardon_onyx_studio_5_6_dual_sound/) | Yes |
| Weight | 6.6 lbs (3 kg) | 6.6 lbs (3 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| App | No | No |
| EQ | No | No |
| Power Bank | No | Yes (USB-C) |
| USB Playback | No | - |
| Built-in Microphone | Yes | Yes |
| Amplifier Power | 50W | - |
| Dimensions | 11.3” x 11.3” (285.8 x 285.8 mm) | 9.5” x 6.3” x 5” (242 x 160 x 126 mm) |
| Drivers | 120mm woofer + 25mm tweeter + 2x passive radiators | mid-woofer, 2x angled tweeters |
| Digital Aux Input | No | No |
| Bluetooth Version | 4.2 | 5.0 |
| Strap | No | No |
| Wi-Fi | - | Yes |
| Voice Assistants | - | Amazon Alexa (Sonos Voice Control also built in) |
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