Tally 2 x 15-Pin Sub D Tally Connectors
-Frequency Response 550 Hz to 3.6 kHz, < ±3dB
-Total Harmonic Distortion (THD) < 3%
-Signal to Noise Ratio > 50 dB
-Audio Level -15 dB
-Impedance 51 Kohm
-Built-in Speaker 3 W, 32 Ohm
-Operating Temperature 41 to 113°F (5 to 45°C)
-Power 12 VDC, 1.0 A, 110/220 VAC
-Rack Unit Space 1RU . . .