These are not really the same size class, and that is the honest framing here. The Bose Soundlink Flex 2nd gen ranks #33 of 134 medium speakers at $129; the Harman Kardon Citation 200 ranks #13 of 75 large speakers at $130.
On the Bose Soundlink Flex 2nd gen side: Pretty much identical sounding to the 1st gen. The catch: Not stereo.
The case for the Harman Kardon Citation 200: Deeper bass than any Onyx. The catch: Overly boomy by default, you can short press the Bluetooth and volume down buttons simultaneously to decrease the bass.
One note: the Harman Kardon Citation 200 is discontinued, but it still ranks #13 of 75 large speakers, ahead of most of what is still sold new, so it is worth considering used.
Buy the Bose Soundlink Flex 2nd gen at $129 if you want a medium speaker. Buy the Harman Kardon Citation 200 at $130 if you want a large speaker instead.
Specifications Side By Side
| Bose Soundlink Flex 2nd gen | Harman Kardon Citation 200 | |
|---|---|---|
| Price | $129.00 | $130 Discontinued |
| Ranked | #33 of 134 in Medium Size Portable Bluetooth Speakers | #13 of 75 in Large Size Portable Bluetooth Speakers |
| App | Yes | Yes (Harman Kardon app) |
| Battery Life | 12 hours (Manufacturer specified) | 8 hours (Manufacturer specified) |
| Built in Microphone | Yes | Yes |
| EQ | Yes (3 band) | No |
| IP Rating | IP67 | IPX4 |
| Party Mode | Yes (Bose Party mode) | No |
| Power Input | USB-C | USB-C |
| Stereo | No | Partially (1 woofer) |
| TWS | Yes | No |
| Weight | 1.3 lbs / 586 g | 6.3 lbs / 2.85 kg |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 7.9" x 3.6" x 2.1" (201 x 90 x 52 mm) | 7.0" x 8.6" x 6.8" (178 x 219 x 172 mm) |
| Aux Input | No | No |
| Drivers | 60mm full-range driver with passive radiators | 5" woofer, 1" tweeter |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive | SBC |
| Wifi | - | Yes |
| Power Bank | - | No |
| USB Playback | - | No |
| Frequency Response | - | 40Hz - 20kHz (Manufacturer specified) |
| Output Power | - | 50W |
| Discontinued | - | Yes |
The Two Speakers In Full
Bose Soundlink Flex 2nd gen: $129.00 Amazon
Pros: Pretty much identical sounding to the 1st gen
Cons: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail. Self drains the battery about 10% a week.
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Dimensions | 7.9" x 3.6" x 2.1" (201 x 90 x 52 mm) |
| Drivers | 60mm full-range driver with passive radiators |
| EQ | Yes (3 band) |
| IP Rating | IP67 |
| Party Mode | Yes (Bose Party mode) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.3 lbs / 586 g |
- Reviews, Comparisons and Sound Samples
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen vs Flex
- Oluv Patreon: Bose Soundlink Flex 2nd gen - sound demo
- Tô Thái Trí Hùng: Unbox & Sound Test - Bose Soundlink Flex 2
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen & Soundcore Motion 300 sound test
- Alan Ross: Hall of Fame classic vs latest Bose tech!
- CEONTHEMAKING: Bose Soundlink Flex 2nd Gen VS Marshall Emberton III - What’s NEW??
- Alan Ross - The Anti Shill!: Small speaker, mighty sound, The Flex gen 2 shatters physics!
- Head-to-Head Comparisons
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- Links
Harman Kardon Citation 200: $130 Discontinued
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.
| 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 |
| Dimensions | 7.0" 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 |
| 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 |
- Reviews, Comparisons and Sound Samples
- Buy Used
- Head-to-Head Comparisons
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.