Zoom FRC-8 F-Control Mixing Surface For F8 &amp; F4<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 9 faders (8 + master)， each 60mm </span></li><li><span class="a-list-item"> 2 USB ports for connecting to F8/F4 and external keyboard </span></li><li><span class="a-list-item"> Hands-on input/output control for trim， pan， and track arming </span></li><li><span class="a-list-item"> 12-Segment LED meters for monitoring channel and output levels </span></li><li><span class="a-list-item"> Compatible with Zoom F8 and F4 multitrack Field recorders </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51u0FdTGsUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51c%2BrPJWDEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31vMRveonsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/11zL7xqwCaS.png">