- Speco 30W contractor series PA amplifier- UL Listed - Two channels- Auto mute function- Music on hold output with separate level control 600 ohm line and one watt 8 ohm - 600 ohm telephone line input with level control- Manual muting contacts- Accepts inputs from two sound sources- Outputs include choice of 4 8 and 16 ohm as well as 70 and 25 volt line outputs
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