SSL S7EQ 7 Band Pre-Amp Equalizer with Subwoofer Control Front, rear and subwoofer outputs Fader controlTHD: &lt;0.01% Signal-to-noise ratio: &gt;90dBLED power meters Gold-plated connectors Dimensions (W x D x H): 7" X 5-3/8" x 1" Front, rear and subwoofer outputs THD: &lt;0.01% Signal-to-noise ratio: &gt;90dB LED power meters Gold-plated connectors