Short answer: the Harman Kardon Onyx Studio 7. It ranks #12 of 73 boombox speakers by sound quality at $298.90; the Marshall Tufton ranks #60 and costs $450, so there is little reason to consider the other one.
What the Harman Kardon Onyx Studio 7 offers: Warm sound with boosted bass. Watch for: Sounds a little sterile. 8 hour battery at medium volume, teeny bit less bass than the Onyx 6. Not at loud as others. No water rating.
What the Marshall Tufton offers: 20 hour battery life; 2.5 hour full charge, or 20-min quick-charge for 4 hours of play. 3-way speaker design covers full frequency range in 360°. Sturdy construction with IPX2 rating. Watch for: Not much lower bass, upper bass boomy, boosted treble, not very balanced overall. Not as loud as others in the class. Very low water rating
Buy the Harman Kardon Onyx Studio 7. It ranks higher for sound quality than the Marshall Tufton and costs less, so there is no real case for the other one.
Skip the Marshall Tufton if sound quality matters to you. It ranks near the bottom of the 73 boombox speakers.
If battery life is a priority, the Marshall Tufton is rated for 20 hours versus 8 hours for the Harman Kardon Onyx Studio 7.
Specifications Side By Side
| Harman Kardon Onyx Studio 7 | Marshall Tufton | |
|---|---|---|
| Price | $298.90 | $450 |
| Ranked | #12 of 73 in Boombox Size Portable Bluetooth Speakers | #60 of 73 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Aux Latency | 0ms | - |
| Bass Extension (-10dB) | 37Hz | 42Hz |
| Battery Life | 8 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Built in Microphone | Yes | Yes |
| IP Rating | None | IPX2 |
| Bluetooth Latency | 266ms | - |
| Max Volume | 96dB | - |
| Party Mode | Yes (Wireless Dual Sound) | No |
| Power Input | DC Barrel Connector (19V/2.1A) | USB-C |
| Stereo | Partially (1 woofer) | No |
| Omnidirectional | No | Yes |
| TWS | No | No |
| Weight | 6.4 lbs / 2.9 kg | 10.8 lbs / 4.9 kg |
| Bluetooth Codecs | SBC | SBC |
| App | No | No |
| EQ | No | Yes (hidden bass and treble adjustment) |
| Power Bank | No | No |
| USB Playback | No | No |
| Output Power | 50W RMS | 80W |
| Dimensions | 11.3" x 11.3" (285.8 x 285.8 mm) (round design) | 9" x 6.4" x 13.8" (229.1 x 163.1 x 350 mm) |
| Drivers | 2x 75mm woofers + 2x 20mm tweeters | 1x 5.25" woofer + 2x 2" full-range + 1x 16mm tweeter |
| Digital Aux Input | No | No |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Harman Kardon Onyx Studio 9 vs JBL Boombox 4
- JBL Boombox 4 vs W-King X10-1
- Harman Kardon Onyx Studio 5 vs Harman Kardon Onyx Studio 9
- JBL Authentics 300 vs Marshall Tufton
- Tribit Stormbox Blast 2 vs Marshall Tufton
Prices on this page were last checked August 27, 2026 at 10:09 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: $298.90 Amazon eBay
Pros: Warm sound with boosted bass.
Cons: Sounds a little sterile. 8 hour battery at medium volume, teeny bit less bass than the Onyx 6. Not at loud as others. No water rating.
Full Harman Kardon Onyx Studio 7 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Aux Latency | 0ms |
| Bass Extension (-10dB) | 37Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 266ms |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.3" x 11.3" (285.8 x 285.8 mm) (round design) |
| Drivers | 2x 75mm woofers + 2x 20mm tweeters |
| EQ | No |
| IP Rating | None |
| Max Volume | 96dB |
| Omnidirectional | No |
| Output Power | 50W RMS |
| Party Mode | Yes (Wireless Dual Sound) |
| Power Bank | No |
| Power Input | DC Barrel Connector (19V/2.1A) |
| Stereo | Partially (1 woofer) |
| 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!
- Reddit Search for Harman Kardon Onyx Studio 7 Review
- Head-to-Head Comparisons
- Harman Kardon Onyx Studio 7 vs Harman Kardon Onyx Studio 6
- Harman Kardon Onyx Studio 7 vs Harman Kardon Onyx Studio 9
- Harman Kardon Onyx Studio 7 vs Harman Kardon Onyx Studio 8
- Harman Kardon Onyx Studio 7 vs Zealot ZE41
- Harman Kardon Onyx Studio 7 vs Zealot ZE21
- Harman Kardon Onyx Studio 7 vs Zealot S89
- Harman Kardon Onyx Studio 7 vs JBL Partybox Encore Essential
- Harman Kardon Onyx Studio 7 vs JBL Boombox 4
- See all 44 comparisons
Marshall Tufton: $450 Amazon eBay
Pros: 20 hour battery life; 2.5 hour full charge, or 20-min quick-charge for 4 hours of play. 3-way speaker design covers full frequency range in 360°. Sturdy construction with IPX2 rating.
Cons: Not much lower bass, upper bass boomy, boosted treble, not very balanced overall. Not as loud as others in the class. Very low water rating
Full Marshall Tufton review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 42Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9" x 6.4" x 13.8" (229.1 x 163.1 x 350 mm) |
| Drivers | 1x 5.25" woofer + 2x 2" full-range + 1x 16mm tweeter |
| EQ | Yes (hidden bass and treble adjustment) |
| IP Rating | IPX2 |
| Omnidirectional | Yes |
| Output Power | 80W |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | No |
| USB Playback | No |
| Weight | 10.8 lbs / 4.9 kg |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons