Ashly Mx-508 Eight Input Stereo Rack-mountable Mic / Line MixerThe MX 508 is an eight input stereo rackmountable mixer. Designed for a multitude of applications, the MX 508 has an extensive mix of features for a small unit combined with excellent sound and quiet performance. The MX 508 features 84 dB of gain to ensure full output with low level or distant microphones. Several years of research went into the microphone preamp and the result is a discrete circuit with better than 129 dBu Equivalent Input Noise