TH221 Subwoofer

The TH221 – When you must have high efficiency and 20Hz performance

The TH221’s exceptionally low bass response is also perfect for the demands of today’s HD commercial theatre or a one-of-a-kind high-end home theatre. As one of the most powerful and largest subwoofers on the market, the TH221 is bold, but accurately stated. There is no equivalent!

Product Description


Operating Frequency Range22 Hz - 180 Hz - 3 dB | 18.5 Hz – 200 Hz -10dB 
Continuous Output138 dB SPL
Peak Output144 dB SPL
Sensitivity109 dB Spl (2.83 Volts into rated Z, at 1 meter), measured in half space
Driver Complementtwo, long excursion, 21" woofers
Dimensions60 x 60 x 28 inches
Weight480 lbs
Rated Impedanceswitchable, a single 2 ohm load or two 4 ohm loads
Power Rating3000 W continuous 6000 W program

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