7 BANDGRAPHIC EQUALIZER BY GRAVITY! The Gravity 7 Band Graphic Equalizer GR-EQ9 is a one of the best graphic equalizers by Gravity. Subwoofer Equalizer: 60/90Hz, Signal To Noise: 90dB, Max Output Volt: 7V RMS PRE Graph Frequency 50Hz - 16kHz are more features.
eBay