Never really used this one.. I bought it new and it's just been laying there on the shelf. You can use it in your HT or Car. Works great in Pro-Logic. $15 takes all. Here are the specs: Pyramid CR-66 Sub-Woofer Electronic Crossover Network With 12 dB Bass Boost Electronic Low pass Crossover Network Low Pass Settings: 50, 90, & 180 Hz Gold Plated RCA High Impedance Input Jacks Low Impedance Barrier Strip Input Variable Input Gain Adjustment LED Power Indicator Remote Power ON/Off 12dB Bass Boost @ 45, 80, Or 120 Hz Gold Plated RCA Output Jacks Dimensions: 3 2/3"W x 5 1/4"D x 1"H To see a picture of this, go to my website and you'll find the picture under the "Home theater Pics" section.