Speco PBM-30 30W RMS Mic/Aux/Tel in/Auto Mute/Moh Out/Pa Amplifier, Substitute for PA920 (20W), Pa935(35w)

UL Listed Contractor Series amplifiers are the ideal amplifiers for everyday use. They can stand on their own as part of a smaller installation, or be incorporated into a much larger job. With 30 Watts RMS power, microphone and source mixing ability, telephone paging interface and music-on-hold capability, there is almost no job that this amplifier cannot be a part of. Speaker outputs : 25V, 70V, 4 / 8 / 16 ohms Inputs : Microphone, Telephone, Auxiliary/Line Level

Front panel level controls
Auto mute function
Bass and treble tone controls
Music-on-hold output with separate level control
UL & CSA listed

Features:
Two MIC inputs (terminal strip)
RMS Power: 30W
Auto summing stereo AUX input
Music-on-hold output with separate level control (600 Ohms line & 1 Watt 8 Ohms)
600 Ohms tel. line input w/ level control
Manual muting contacts
Dimensions: 10.75" (W) x 3.5" (H) x 9.5" (D)
Accessory AC outlet