Rockville RX230 2 Way Stereo / 3 Way Mono Crossover with XLR Input &amp; Output<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Rockville RX230 2-way Stereo / 3-way Mono rack mountable crossover. Ability to mix 2 channels output. 24dB/Octave filters. </span></li><li><span class="a-list-item"> Mute switches. Channel Gain Control: 0 to +12 dB. Low Frequency Level Control: -∞ to +6 dB. High Frequency Level Control: -∞ to +6 dB. </span></li><li><span class="a-list-item"> Low Frequency to High Frequency crossover: 100Hz to 1 Khz x10 range: Changes. Low Frequency to Mid Frequency from (100 Hz to 1 kHz) to (1kHz to 10 kHz). </span></li><li><span class="a-list-item"> Switchable 2-way stereo or 3-way mono operation. Subwoofer out. </span></li><li><span class="a-list-item"> Subwoofer X-Over Freq ( 30Hz – 200Hz ) adjustable. Subwoofer Gain -6 to +6 dB. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31NJNw2vvmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31cygjMbQ2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/317xg4FWfwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41hYX2l7KSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41fZu0%2BWjkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413jwiW8h7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/01CTCyzXI4S.png" noproxy>