Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The Amazon Echo Studio 2nd Gen ranks #2 of 14 powered desktop speakers by sound quality at $219.99; the Harman Kardon Citation 200 ranks #13 of 105 large speakers by sound quality at $130.
What the Amazon Echo Studio 2nd Gen does well: SoundGuys called it the best-sounding Amazon speaker they have tested, scoring it 7.8 of 10. It links with other speakers (Wi-Fi multi-room, Alexa Home Theater), which the Harman Kardon Citation 200 cannot. It has an adjustable EQ, which the Harman Kardon Citation 200 lacks. Watch for: SoundGuys still marked it down on Value (4.0 of 10) given the $219.99 list price, and it is explicitly not true left-right stereo from one cabinet, so a stereo pair is needed for real width in a larger room.
The Harman Kardon Citation 200 is the battery-powered, tougher choice. A 6.3 lbs (2.85 kg) portable smart speaker with Wi-Fi, Google Assistant, IPX4 protection, an 8-hour rated battery and deeper bass than any Onyx. Its battery is rated for 8 hours, while the Amazon Echo Studio 2nd Gen needs an outlet. It is rated IPX4, while the Amazon Echo Studio 2nd Gen has no water resistance. The catch: 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.
One note: the Harman Kardon Citation 200 is discontinued, but it still ranks #13 of 105 large speakers by sound quality, ahead of most of what is still sold new, so it is worth considering used.
Buy the Amazon Echo Studio 2nd Gen at $219.99 for a powered desktop speaker, or the Harman Kardon Citation 200 at $130 for a large speaker instead.
Want more options? Browse the full Powered Home rankings and Portable Bluetooth rankings.
SoundGuys called it the best-sounding Amazon speaker they have tested, scoring it 7.8 of 10.
Amazon $219.99 eBay
A 2.85 kg portable smart speaker with Wi-Fi, Google Assistant, IPX4 protection, an 8-hour rated battery and deeper bass than any Onyx.
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Specifications Side By Side
| Amazon Echo Studio 2nd Gen | Harman Kardon Citation 200 | |
|---|---|---|
| Price | $219.99 each | $130 Discontinued |
| Ranked | #2 of 14 in Small Size Powered Desktop Speakers | #13 of 105 in Large Size Portable Bluetooth Speakers |
| Aux Input | No | No |
| Battery Life | No Battery | 8 hours (Manufacturer specified) |
| IP Rating | None | IPX4 |
| Party Mode | Yes (Wi-Fi multi-room, Alexa Home Theater) | No |
| Power Input | External AC adapter | USB-C |
| Stereo | No | Partially (1 woofer) |
| Weight | 3.6 lbs (1.632 kg) | 6.3 lbs (2.85 kg) |
| Wi-Fi | Yes (Wi-Fi 6E) | Yes |
| App | Yes (Alexa) | Yes (Harman Kardon app) |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes (mic mute button, far-field) | Yes |
| EQ | Yes (Bass/Mid/Treble + Dolby Virtualizer, via Alexa app) | No |
| Power Bank | No | No |
| TWS | Yes (Wi-Fi stereo pairing via Alexa app) | No |
| Drivers | 3.75in high-excursion woofer, 3x 2.25in full-range drivers (L/R/up) | 5” woofer, 1” tweeter |
| Inputs | Wi-Fi, Bluetooth | - |
| XLR Input | No | - |
| RCA Input | No | - |
| TRS Input | No | - |
| Optical Input | No | - |
| Coaxial Input | No | - |
| USB Input | No | - |
| HDMI Input | No | - |
| AES Input | No | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 6.1” x 5.6” x 5.8” (155 x 142 x 147 mm) | 7” x 8.6” x 6.8” (178 x 219 x 172 mm) |
| Voice Assistants | Amazon Alexa / Alexa+ | Google Assistant |
| Streaming Services | Amazon Music, Apple Music, Spotify, SiriusXM | - |
| Omnidirectional | - | No |
| USB Playback | - | No |
| Frequency Response | - | 40Hz - 20kHz (Manufacturer specified) |
| Amplifier Power | - | 50W |
| Digital Aux Input | - | No |
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