DV Mark OVER MARKER

Input Impedance: 1.5 Mohm / 6 Vpp
Over-D: +66 dB (maximum gain)
Tone 1: from 200 Hz to 2.5 kHz
Tone 2: from 0 to - 20dB at 800 Hz
Level Output: 0 to Max
Output Impedance: 100 ohm / 6 Vpp
Power Requirements: DC input:+9/+12VDC or standard 9-volt battery
Dimensions (W/H/D): 82 x 55 x 125mm
Weight: 340 g.