RCF L10750YK Subwoofer - Set of 1<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>6 Channel Electronic Crossover</li><li>The 6XS does it all. Sharp 24 dB/octave Linkwitz-Riley alignment crossover with remote level control for the bass. Auto mode input switching</li><li>Automatically configures the 6XS for two， four or six channels of input with up to eight channels of output. Includes bass management with the Programmable</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31V5AE06yCL.jpg" noproxy>