Dual 30-Band stereo graphic equalizer with Feedback detection system & Constant Q factor. LED for each frequency instantly reveals the critical frequencies Range setting between +12dB/-12dB to give the gradual variation required. Durable & Accurate 20mm Faders for easy level setting of each frequency. Low Frequency cut & EQ bypass switches. Balanced inputs and outputs with 1/4 TRS and XLR connectors.