U-21S Unbalanced Line Input with Remote Volume Control

U-21S
The U-21S is a line input module to be used in conjunction with the 900 series components and other TOA's equipment. It has an unbalanced input with screw terminals, remote volume control function, and gain control.
Specification
* 0 dB=1 V
Power Source 24 V DC (supplied from the main frame)
Current Consumption 27 mA
Input Sensitivity -20 dB* (rated output: -20 dB*), adjustable: -20 to +10 dB*
Input Impedance 220 kΩ, unbalanced
Frequency Response 20 Hz - 20 kHz ±1.5 dB
Distortion 0.05 % or less (1 kHz, output: 0 dB*)
Noise Level -106 dB* (20 Hz - 20 kHz BPF)
Gain -30 - 0 dB
Remote Control Range 0 to -55 dB
Connector 5 Screw terminals
Dimensions 35 (W) × 78 (H) × 88 (D) mm (1.38 × 3.07" × 3.46")"
Weight Max. 65 g (0.14 lb)