Artec 4 Band Eq System With Notch Filter Function Including Piezo Pickup

Artec 4 Band Eq System with Notch Filter Function (Including Piezo Pickup)
Bass, Middle, Treble & Presence ControlsWith Notch Filter FunctionMaster Volume ControlBass +-12dB 80HZ, 570 mVp-pMiddle +-12dB 800HZ, 490 mVp-pTreble +-12dB 3KHZ, 500 mVp-pPresence +- Cut 12dB 15KHZ, 500 mVp-pLow Battery Check at 5VInput Jack: 2.5mm Mono JackOutput Jack: 1/4 JackPowered by 9V BatteryDimensions: 90mm(L) 50mm(W) 40mm(H)