[. . . ] CPS Wireless-Ready Subwoofers play wirelessly CPS 8Wi CPS 12Wi CPS 10Wi more power. [. . . ] Each subwoofer comes with both speaker- and line-level inputs for easy setup while their front-firing, front-ported design also makes them well-suited for custom cabinet installation. The real surprise however, is not what we've added--it's what we've taken away. Wireless-Ready means you can tuck these power-packed subs away in any part of the room--up to 50 feet away--thanks to the optional WT 50 wireless transmitter. Just add the optional WT 50 Wireless Transmitter to make any of these Boston subwoofers wireless. CPS Wireless-Ready Subwoofers Specifications Frequency Response Amplifier Power Bass Driver Dimensions (H x W x D) Weight Finish CPS 12Wi 25Hz ­ 150Hz 400 watts RMS (850 watts Peak) 12" (305mm) DCD 1511/16 x 167/16 x 17" (397 x 416 x 431mm) 48. 5 lbs (22kg) CPS 10Wi 28Hz ­ 150Hz 300 watts RMS (650 watts Peak) 10" (254mm) DCD 137/8 x 1411/16 x 17" (352 x 372 x 431mm) 40 lbs (16. 8kg) CPS 8Wi 31Hz ­ 150Hz 200 watts RMS (350 watts Peak) 8" (203mm) DCD 11½ x 123/16 x 153/8" (292 x 309 x 389mm) 26 lbs (11. 7kg) WT 50 (optional) 2. 4 GHz wireless transmition up to 50 ft away 13/8 x 15/8 x 4" (45 x 143 x 103mm) 1 oz (30g) Black Walnut vinyl and Cherry vinyl Line and speaker level inputs included for setup flexibility Features: Play wirelessly with the optional 2. 4GHz WT50 Wireless Transmitter Superior bass from a high-output front-firing, front-ported design BassTrac® circuitry for tight, distortion-free bass at all output levels Deep Channel® Design (DCD) woofers for more bass from less amplifier power Ultra-rigid reinforced cabinet minimizes vibration and improves driver performance What it means to be from Boston. Many manufacturers design their products around third-party, off-the-shelf parts. Adjustable phase and volume controls let you fine-tune performance to suit your taste and room acoustics Boston Acoustics engineers every component of every system to meet the highest performance standards (our own). So we're careful to build all our products with strict attention to everything from the choice of materials to the details of fit and finish. [. . . ] Boston, Boston Acoustics, the B/A ellipse symbol, BassTrac, and Deep Channel are registered trademarks, and Play Smart is a trademark of Boston Acoustics, Inc. [. . . ]