Short answer: both are discontinued, and they are rated the same for sound quality (#35 and #37 of 73 subwoofers). Either one is only an option used, so choose on condition and price. If you want one new, the Edifier T5s ranks #2 at $199.99.

The case for the Klipsch HD Theater 600: A discontinued compact ported 8 inch subwoofer that adds midbass support to a small home theater system. The catch: Without a published 20 Hz result, deep-bass capability is less certain than the midbass figure.
What the Monitor Audio BRW10 does well: A discontinued ported 10 inch subwoofer that adds upper bass punch to movies and music in a modest room. The catch: Deep-bass output is more limited than the strong 40-80 Hz result suggests, so it is not the right choice when the lowest movie effects are the priority.
Buy the Klipsch HD Theater 600 or the Monitor Audio BRW10, whichever you find used in better condition; both are discontinued. For a new speaker, start with the Edifier T5s instead.
Still deciding? The full Subwoofers rankings cover every ranked option.
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Specifications Side By Side
| Klipsch HD Theater 600 | Monitor Audio BRW10 | |
|---|---|---|
| Price | $399 Discontinued | $699 Discontinued |
| Ranked | #35 of 73 in Small Home Subwoofers (Under 30 lbs) | #37 of 73 in Small Home Subwoofers (Under 30 lbs) |
| Enclosure | ported, rear | ported, rear |
| Output SPL at 25 Hz | 87.1 dB | 88.1 dB |
| Output SPL at 31.5 Hz | 98.4 dB | 93.1 dB |
| Output SPL at 40 Hz | 104.9 dB | 100.4 dB |
| Output SPL at 50 Hz | 107.6 dB | 104.7 dB |
| Output SPL at 63 Hz | 112.1 dB | 110.5 dB |
| CEA-2010-A Average (40-80Hz) | 108.2 dB (avg of 3/4 bands) | 107.0 dB |
| Dimensions | 13.9”H x 12.5”W x 12.5”D (353.1 x 317.5 x 317.5 mm) | 12.6”H x 12.6”W x 13.4”D (320.5 x 320.5 x 339.6 mm) |
| Country | United States | United Kingdom |
| Measurement Source | Brent Butterworth | Ilkka Rissanen |
| Weight | 17 lbs (7.7 kg) | 27.6 lbs (12.5 kg) |
| Drivers | 8” (203mm) driver | 10” (254mm) driver |
| Output SPL at 20 Hz | - | 70.1 dB |
| Output SPL at 80 Hz | - | 112.3 dB |
| Cabinet Color | - | wood |
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