Short answer: the Ultimate Ears Everboom for better sound quality, the Harman Kardon Onyx Studio 4 for the lower price. The Ultimate Ears Everboom ranks #32 of 77 large speakers at $149.99. The Harman Kardon Onyx Studio 4 ranks #47 at $100, $49.99 cheaper.
On the Ultimate Ears Everboom side: This speaker may move around as we get better sound samples. The tradeoff: Has an upper bass boost and is tuned warm with rolled off treble. Not very deep bass.
The case for the Harman Kardon Onyx Studio 4: Balanced sound quality with deep resonant bass and crisp treble, large dynamic range. Watch for: 8 hour battery at medium volume. Not at loud as others. Not as deep of bass as the newer Onyx.
Buy the Ultimate Ears Everboom if sound quality matters more than the price. Buy the Harman Kardon Onyx Studio 4 if the price matters more than sound quality.
If battery life is a priority, the Ultimate Ears Everboom is rated for 20 hours versus 8 hours for the Harman Kardon Onyx Studio 4.
If water resistance matters to you, the Ultimate Ears Everboom at IP67 (brief submersion) holds up far better than the Harman Kardon Onyx Studio 4 at no water resistance.
Specifications Side By Side
| Ultimate Ears Everboom | Harman Kardon Onyx Studio 4 | |
|---|---|---|
| Price | $149.99 | $100 Discontinued |
| Ranked | #32 of 77 in Large Size Portable Bluetooth Speakers | #47 of 77 in Large Size Portable Bluetooth Speakers |
| App | Yes | Yes (HK Connect) |
| Battery Life | 20 hours (Manufacturer specified) | 8 hours (Manufacturer specified) |
| EQ | Yes | No |
| IP Rating | IP67 | None |
| Party Mode | Yes (PartyUp up to 50 speakers) | Yes (Connect+ up to 100 speakers) |
| Power Bank | No | No |
| Power Input | USB-C | DC Barrel Connector (19V/2.1A) |
| Stereo | No | Yes |
| Omnidirectional | Yes | No |
| TWS | No | Yes |
| Weight | 2.1 lbs / 949 g | 4.5 lbs / 2.06 kg |
| Aux Input | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built in Microphone | Yes | Yes |
| Bluetooth Version | 5.1 | 4.2 |
| Dimensions | 8.1" x 3.3" x 4.3" (205 x 85 x 110 mm) | 11.4" x 11.4" x 5.1" (290 x 290 x 130 mm) |
| Drivers | 2x 56.6mm x 56.2mm fullrange transducers + 2x passive radiators | 2x 75mm woofers, 2x 20mm tweeters |
| Output Power | 14W | 60W |
| Digital Aux Input | No | No |
| Frequency Response | - | 50Hz - 20kHz (Manufacturer specified) |
| Discontinued | - | Yes |
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The Two Speakers In Full
Ultimate Ears Everboom: $149.99 Amazon
Pros: This speaker may move around as we get better sound samples
Cons: Has an upper bass boost and is tuned warm with rolled off treble. Not very deep bass.
Full Ultimate Ears Everboom review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.1 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 8.1" x 3.3" x 4.3" (205 x 85 x 110 mm) |
| Drivers | 2x 56.6mm x 56.2mm fullrange transducers + 2x passive radiators |
| EQ | Yes |
| IP Rating | IP67 |
| Omnidirectional | Yes |
| Output Power | 14W |
| Party Mode | Yes (PartyUp up to 50 speakers) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | No |
| Weight | 2.1 lbs / 949 g |
As an eBay Partner, we may be compensated if you make a purchase.
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Harman Kardon Onyx Studio 4: $100 Discontinued
Pros: Balanced sound quality with deep resonant bass and crisp treble, large dynamic range. Multi-host Bluetooth connectivity for 2 phones, daisy chaining up to 100 speakers. Elegant modern design with smooth curves and premium materials.
Cons: 8 hour battery at medium volume. Not at loud as others. Not as deep of bass as the newer Onyx. External AC power brick for charging. Discontinued.
Full Harman Kardon Onyx Studio 4 review and specifications →
| App | Yes (HK Connect) |
|---|---|
| Aux Input | Yes |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.4" x 11.4" x 5.1" (290 x 290 x 130 mm) |
| Discontinued | Yes |
| Drivers | 2x 75mm woofers, 2x 20mm tweeters |
| EQ | No |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | None |
| Omnidirectional | No |
| Output Power | 60W |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Bank | No |
| Power Input | DC Barrel Connector (19V/2.1A) |
| Stereo | Yes |
| TWS | Yes |
| Weight | 4.5 lbs / 2.06 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Harman Kardon Onyx Studio 4 vs Zealot S97
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