The Bose 102 System Controller Designed for use with 102 Speaker systems. Designed for optimum EQ to 102 speakers. Good Condition.

102 System Controller:
Input Level: Music - 100mV or 1V selectable Voice - Mic or line, selectable, variable (AGC calibration)

Output Level:
1V nominal

Input Impedance:
Music - 2k ohms, balanced, differential Voice - 600 ohms, balanced, differential
Bass Cut Switch:
6 dB

Distortion:
Less than 0.1% THD

CMRR:
Greater than 40 dB, all inputs

AGC:
Attack level - variable
Attack time - 5 ms
Release time - 200 ms

Mute:
Mute level - -30 dB ( with defeat switch on ch. B) Attack time - 5 ms Release time - 2 seconds
Dimensions: 1 3/4" H x 18 31/32" W x 4 1/4" D (44 mm x 482 mm x 107 mm)