• The Focusrite Saffire PRO 24 audio interface features JetPLL technology that gives superior sound quality, eliminating unwanted noise. 
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• This Focusrite digital recording Interface has two Loopback inputs that allow audio rooting to other software applications through mixControl. With a 16x8 DSP mixer, this audio interface takes less than 1.4 ms to configure mixing. 
• The VST/AU Plugin Suite of this Focusrite digital recording Interface enhances the level of sequencer effects. Front panel 5-LED metering for individual inputs of this interface provide detailed view of audio levels from the front panel. 
• The Focusrite Saffire PRO 24 has two preamps that reduce sound distortion giving you clear audio output.

Selling as my new computer does not support Firewire, so this is a perfectly-working unit that has served me well.