Short answer: the Harman Kardon Onyx Studio 4 ranks #47 of 77 large speakers by sound quality at $100; the Tronsmart Halo 100 ranks #51 at $100. Close enough in price that the sound-quality gap is the deciding factor.
What the Harman Kardon Onyx Studio 4 offers: Balanced sound quality with deep resonant bass and crisp treble, large dynamic range. Watch for: 8 hour battery at medium volume.
What the Tronsmart Halo 100 offers: 60W power with excellent bass (tested 100dB), IPX6 waterproof design, RGB LED party lights, 18 hours battery without lights, 6000mAh capacity with USB-A charging port for devices, good value outdoor party speaker. Watch for: Not a very smooth frequency response.
Buy the Harman Kardon Onyx Studio 4. It ranks higher for sound quality than the Tronsmart Halo 100 at the same price, so there is no real case for the other one.
If battery life is a priority, the Tronsmart Halo 100 is rated for 18 hours versus 8 hours for the Harman Kardon Onyx Studio 4.
If water resistance matters to you, the Tronsmart Halo 100 at IPX7 (brief submersion) holds up far better than the Harman Kardon Onyx Studio 4 at no water resistance.
Specifications Side By Side
| Harman Kardon Onyx Studio 4 | Tronsmart Halo 100 | |
|---|---|---|
| Price | $100 Discontinued | $100 |
| Ranked | #47 of 77 in Large Size Portable Bluetooth Speakers | #51 of 77 in Large Size Portable Bluetooth Speakers |
| App | Yes (HK Connect) | No |
| Aux Input | Yes | Yes |
| Battery Life | 8 hours (Manufacturer specified) | 18 hours (Manufacturer specified) |
| EQ | No | No |
| IP Rating | None | IPX7 |
| Party Mode | Yes (Connect+ up to 100 speakers) | No |
| Power Bank | No | Yes (USB-A) |
| TWS | Yes | Yes |
| Weight | 4.5 lbs / 2.06 kg | 6 lbs / 2.72 kg |
| Bluetooth Codecs | SBC | SBC |
| Built in Microphone | Yes | Yes |
| Power Input | DC Barrel Connector (19V/2.1A) | USB-C |
| Stereo | Yes | Yes |
| Bluetooth Version | 4.2 | 5.3 |
| Drivers | 2x 75mm woofers, 2x 20mm tweeters | 1x 115mm woofer, 2x 53mm mid-tweeters, 1x 31mm tweeter |
| Dimensions | 11.4" x 11.4" x 5.1" (290 x 290 x 130 mm) | 11.3" x 7" x 5.9" (286 x 179 x 150 mm) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) | 40Hz - 20kHz (Manufacturer specified) |
| Output Power | 60W | 60W |
| Discontinued | Yes | - |
| Digital Aux Input | No | No |
| Bass Extension (-10dB) | - | 49Hz |
| Max Volume | - | 104dB |
| MicroSD Playback | - | Yes |
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The Two Speakers In Full
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 |
| 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 |
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Tronsmart Halo 100: $100 Amazon
Pros: 60W power with excellent bass (tested 100dB), IPX6 waterproof design, RGB LED party lights, 18 hours battery without lights, 6000mAh capacity with USB-A charging port for devices, good value outdoor party speaker.
Cons: Not a very smooth frequency response. Treble is peaky. Boosted upper bass.
Full Tronsmart Halo 100 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 49Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.3" x 7" x 5.9" (286 x 179 x 150 mm) |
| Drivers | 1x 115mm woofer, 2x 53mm mid-tweeters, 1x 31mm tweeter |
| EQ | No |
| Frequency Response | 40Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 104dB |
| MicroSD Playback | Yes |
| Output Power | 60W |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 6 lbs / 2.72 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons