Short answer: the Harman Kardon Citation 200 if sound quality matters most, the Harman Kardon Onyx Studio 4 if price matters most. The Harman Kardon Citation 200 ranks #13 of 77 large speakers at $130. The Harman Kardon Onyx Studio 4 ranks #47 at $100, $30 cheaper.
What the Harman Kardon Citation 200 offers: Deeper bass than any Onyx. Watch for: Overly boomy by default, you can short press the Bluetooth and volume down buttons simultaneously to decrease the bass, and the Bluetooth and volume up buttons simultaneously to increase it
What the Harman Kardon Onyx Studio 4 offers: 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. Watch for: 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.
Buy the Harman Kardon Citation 200 when sound quality outweighs the price for you, and the Harman Kardon Onyx Studio 4 when the price outweighs sound quality instead.
If water resistance matters to you, the Harman Kardon Citation 200 at IPX4 (splashing) holds up far better than the Harman Kardon Onyx Studio 4 at no water resistance.
Specifications Side By Side
| Harman Kardon Citation 200 | Harman Kardon Onyx Studio 4 | |
|---|---|---|
| Price | $130 Discontinued | $100 Discontinued |
| Ranked | #13 of 77 in Large Size Portable Bluetooth Speakers | #47 of 77 in Large Size Portable Bluetooth Speakers |
| Aux Input | No | Yes |
| Battery Life | 8 hours (Manufacturer specified) | 8 hours (Manufacturer specified) |
| IP Rating | IPX4 | None |
| Stereo | Partially (1 woofer) | Yes |
| Omnidirectional | No | No |
| Weight | 6.3 lbs / 2.85 kg | 4.5 lbs / 2.06 kg |
| Wifi | Yes | - |
| Bluetooth Codecs | SBC | SBC |
| App | Yes (Harman Kardon app) | Yes (HK Connect) |
| EQ | No | No |
| TWS | No | Yes |
| Party Mode | No | Yes (Connect+ up to 100 speakers) |
| Power Bank | No | No |
| USB Playback | No | - |
| Built in Microphone | Yes | Yes |
| Power Input | USB-C | DC Barrel Connector (19V/2.1A) |
| Bluetooth Version | 4.2 | 4.2 |
| Dimensions | 7" x 8.6" x 6.8" (178 x 219 x 172 mm) | 11.4" x 11.4" x 5.1" (290 x 290 x 130 mm) |
| Drivers | 5" woofer, 1" tweeter | 2x 75mm woofers, 2x 20mm tweeters |
| Frequency Response | 40Hz - 20kHz (Manufacturer specified) | 50Hz - 20kHz (Manufacturer specified) |
| Output Power | 50W | 60W |
| Discontinued | Yes | Yes |
| Digital Aux Input | No | No |
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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 Citation 200: $130 Discontinued eBay
Pros: Deeper bass than any Onyx.
Cons: Overly boomy by default, you can short press the Bluetooth and volume down buttons simultaneously to decrease the bass, and the Bluetooth and volume up buttons simultaneously to increase it. Discontinued.
Full Harman Kardon Citation 200 review and specifications →
| App | Yes (Harman Kardon app) |
|---|---|
| Aux Input | No |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7" x 8.6" x 6.8" (178 x 219 x 172 mm) |
| Discontinued | Yes |
| Drivers | 5" woofer, 1" tweeter |
| EQ | No |
| Frequency Response | 40Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX4 |
| Omnidirectional | No |
| Output Power | 50W |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Partially (1 woofer) |
| TWS | No |
| USB Playback | No |
| Weight | 6.3 lbs / 2.85 kg |
| Wifi | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Ezekielo: Citation 200 vs Beolit 20 with Sound Comparison!
- KULAS TECH SHOW: Harman Kardon Citation 200 vs JBL Xtreme3 Sound & Bass test More from KULASTECHSHOW20 →
- Ezekielo: Citation 200 vs Onyx Studio 6 vs Bose Portable Speaker Sound Comparison
- KULAS TECH SHOW: Harman Kardon Citation 200 vs Onyx Studio 7 Bass comparison
- Reddit Search for Harman Kardon Citation 200 Review
- Head-to-Head Comparisons
- Harman Kardon Citation 200 vs B&O Beosound A5
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- Harman Kardon Citation 200 vs Soundcore Select Pro
- Harman Kardon Citation 200 vs Soundcore Boom 2
- Harman Kardon Citation 200 vs B&O Beoplay A2 active
- Harman Kardon Citation 200 vs Bose SoundLink Max
- Harman Kardon Citation 200 vs JBL Xtreme 3
- See all 39 comparisons
Harman Kardon Onyx Studio 4: $100 Discontinued eBay
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 |
- Links
- Reviews, Comparisons and Sound Samples
- Geri’s Collection: Harman Kardon Onyx 7 vs Onyx 4
- OCM Reviews: Onyx Studio 4 Vs Onyx Studio 5 - Sound Quality Comparison - Bluetooth Speaker
- Alan Ross Reviews: Ultimate HK Onyx Studio speaker review and comparison! 8 speakers! More from alanrossreviews →
- Reddit Search for Harman Kardon Onyx Studio 4 Review
- Head-to-Head Comparisons
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