Our company started designing and building amplifiers and speakers over 20 years ago. During this time we ve continually refined our products to balance power sound clarity and long-lasting performance. Now take your home theater experience to the next level with the AudioSource PSW112 subwoofer. We painstakingly matched our 12 mineral-filled polypropylene subwoofer to a low distortion 175W amplifier for maximum performance. The bass reflex cabinet design increases low frequency output by as much as double (+3 dB) over that of a sealed subwoofer design. With response down to 30 Hz expect your DVD action scene explosions to come alive! Removable feet allow this subwoofer to be permanently mounted inside an entertainment system or other home furniture. Front panel crossover and level controls ensure ease of tone adjustment. Speaker level inputs allow you to connect directly from your amplifier/receiver s speaker outputs for signal. Stereo line level inputs offer the a