Short answer: the Harman Kardon Onyx Studio 7. It ranks #14 of 91 boombox speakers by sound quality, rated 4.1/5, at $248.90. The Tronsmart Halo 200 ranks #67, rated 2.8/5, at $169.99, $78.91 cheaper, which does not close the gap in sound quality.
The Harman Kardon Onyx Studio 7 is the better-sounding, deeper-bass choice. The addition of dual tweeters gives the Studio 7 a wider, more spacious presentation than older Onyx models. Its bass reaches about 37Hz before falling 10dB, against 44Hz for the Tronsmart Halo 200. At 6.4 lbs (2.9 kg) it weighs much less than the Tronsmart Halo 200 at 13.4 lbs (6.1 kg). It links with other speakers (Wireless Dual Sound), which the Tronsmart Halo 200 cannot. The tradeoff: Consumer Reports finds the bass prominent and boomy, mids hazy, treble slightly smeared and the soundstage congested.
The Tronsmart Halo 200 is the louder, longer-running option. 15,000mAh battery rated 18 hours; charges in 3.5 hours. Alan Ross Reviews measured it at 110dB at full volume, against 96dB for the Harman Kardon Onyx Studio 7. It is rated for 18 hours of battery against 8 for the Harman Kardon Onyx Studio 7. It is rated IPX4, while the Harman Kardon Onyx Studio 7 has no water resistance. The catch: Not as deep bass as some of the top ranked.
Buy the Harman Kardon Onyx Studio 7. It is rated higher for sound quality, and the $78.91 you would save on the Tronsmart Halo 200 does not close the gap.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Harman Kardon Onyx Studio 7 | Tronsmart Halo 200 | |
|---|---|---|
| Price | $248.90 | $169.99 |
| Ranked | #14 of 91 in Boombox Size Portable Bluetooth Speakers | #67 of 91 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Aux Latency | 0ms | 16ms |
| Bass Extension (-10dB) | 37Hz | 44Hz |
| Battery Life | 8 hours (Manufacturer specified) | 18 hours (Manufacturer specified) |
| Built-in Microphone | Yes | No |
| IP Rating | None | IPX4 |
| Bluetooth Latency | 266ms | 160ms |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) | 110dB (measured by Alan Ross Reviews) |
| Party Mode | Yes (Wireless Dual Sound) | No |
| Power Input | DC Barrel Connector (19V/2.1A) | USB-C |
| Stereo | Partially (1 woofer) | Partially |
| Omnidirectional | No | No |
| TWS | No | Yes |
| Weight | 6.4 lbs (2.9 kg) | 13.4 lbs (6.1 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| App | No | No |
| EQ | No | Yes (multiple modes) |
| Power Bank | No | Yes (USB-A) |
| USB Playback | No | Yes |
| Amplifier Power | 50W RMS | 120W |
| Dimensions | 11.3” x 11.3” (285.8 x 285.8 mm) (round design) | 15.2” x 11.1” x 10.5” (386 x 282 x 266 mm) |
| Drivers | 120mm woofer + 2x 25mm tweeters | 1x 5.7” (145mm) woofer + 2x 2.24” (57mm) mid-tweeters + 1x 1.22” (31mm) tweeter |
| Digital Aux Input | No | No |
| Bluetooth Version | 4.2 | - |
| Strap | No | - |
| Guitar Input | - | Yes |
| Microphone Input | - | Yes (Karaoke mode with echo effect) |
| MicroSD Playback | - | No |
| Lights | - | Yes |
Related Speaker Comparisons
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- Harman Kardon Go + Play 3 vs Harman Kardon Onyx Studio 7
- JBL Partybox Encore 2 vs Harman Kardon Onyx Studio 7
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- JBL Partybox Encore Essential 2 vs Harman Kardon Onyx Studio 7
Prices on this page were last checked October 4, 2026 at 9:58 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Harman Kardon Onyx Studio 7: $248.90 Amazon eBay
Newer model: the Harman Kardon Onyx Studio 9, ranked lower, rated 4.1/5.
Pros: The addition of dual tweeters gives the Studio 7 a wider, more spacious presentation than older Onyx models. It delivers strong, deep bass, useful large-room volume and can pair with a second Studio 7 for stereo. Measured bass extension of 37Hz (-10dB).
Cons: Consumer Reports finds the bass prominent and boomy, mids hazy, treble slightly smeared and the soundstage congested. Battery life remains only about eight hours, it has no water rating or advanced codecs, and it is not an especially loud outdoor speaker.
Full Harman Kardon Onyx Studio 7 review and specifications →
| Amplifier Power | 50W RMS |
|---|---|
| App | No |
| Aux Input | Yes |
| Aux Latency | 0ms |
| Bass Extension (-10dB) | 37Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 266ms |
| Bluetooth Version | 4.2 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.3” x 11.3” (285.8 x 285.8 mm) (round design) |
| Drivers | 120mm woofer + 2x 25mm tweeters |
| EQ | No |
| IP Rating | None |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (Wireless Dual Sound) |
| Power Bank | No |
| Power Input | DC Barrel Connector (19V/2.1A) |
| Stereo | Partially (1 woofer) |
| Strap | No |
| TWS | No |
| USB Playback | No |
| Weight | 6.4 lbs (2.9 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: JBL Boombox 2 vs Onyx Studio 7 big bass battle 💋 More from alanrossreviews →
- Alan Ross Reviews: Onyx Studio 7 vs Onyx Studio 6 - massive deep bass battle 😁
- Geri’s Collection: Harman Kardon Onyx 7 vs Onyx 4
- KULAS TECH SHOW: Harman / Kardon Onyx Studio 5 vs Onyx Studio 7 - Close battle🔥🔥 More from KULASTECHSHOW20 →
- Alan Ross Reviews: Ultimate HK Onyx Studio speaker review and comparison! 8 speakers!
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Tronsmart Halo 200: $169.99 Tronsmart eBay
Pros: 15,000mAh battery rated 18 hours; charges in 3.5 hours. Three-way speaker system with dynamic lighting. SoundPulse tech reduces distortion. Stereo pairing and broadcast mode (100 speakers). Measured bass extension of 44Hz (-10dB).
Cons: Not as deep bass as some of the top ranked. Use Bass EQ for most neutral sound. Wavy frequency response.
Full Tronsmart Halo 200 review and specifications →
| Amplifier Power | 120W |
|---|---|
| App | No |
| Aux Input | Yes |
| Aux Latency | 16ms |
| Bass Extension (-10dB) | 44Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 160ms |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 15.2” x 11.1” x 10.5” (386 x 282 x 266 mm) |
| Drivers | 1x 5.7” (145mm) woofer + 2x 2.24” (57mm) mid-tweeters + 1x 1.22” (31mm) tweeter |
| EQ | Yes (multiple modes) |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Lights | Yes |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) |
| MicroSD Playback | No |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Partially |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 13.4 lbs (6.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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