American Audio VMS4.1 4 Channel MIDI Controller<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Main Features: 4X Midilog Channels Software Or Analog Inputs - Such As Cd Players， Turntables， Etc.) - Dsp D-Core Inside: Studio Quality Audio Engine + Pro Stage Microphone Circuitry - 2X Mics With Gain， Treble， Mid &amp; Bass Control - </span></li><li><span class="a-list-item"> General Features: Midi Controller With 4 Usb / Analog Selectable Midilog Channels - All Audio Control Faders， Knobs， Switches， And Buttons Smoothed - Gain/Treble/Mid/Bass Eq On All Channels - 2 Phono/Line Selectable Analog Channels - </span></li><li><span class="a-list-item"> Midi Features: Built-In Mouse Pad - Long Life Midi Assignable Touch Strips - Two 10- Bit Resolution Pitch Sliders - 62 Assignable Midi Buttons And Switches - 50 Midi Buttons Have Led Illuminations </span></li><li><span class="a-list-item"> Audio Features: 24-Bit 48 Khz Analog Audio - 16-Bit 44.1Khz Usb Audio - 10-Bit Resolution On All Analog Fader Controls - Selectable Usb Modes: 4 In 4 Out Mode For Running Software Effects On Phono/Line Analog Channels </span></li><li><span class="a-list-item"> System Requirements Pc Requirements: Windows Xp Sp2 Or Windows Vista (32-Bit &amp; 64-Bit Supported) - Piv 1.2Ghz Computer (Sse2 Cpu)， Amd 64 Or Greater - 1024_768 Svga Video - 2 Gig Ram (Vista) see site for more </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51vHWfaf%2BFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/516hLGwK3iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51qrYAwXFBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31WUDFO6CpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31EfnFy4bOL.jpg" noproxy>