FEATURES Separate music and paging controls: bass, treble and volume Paging pre-tone volume control Connects to standard paging amplifier Background music can be included and automatically mutes during page SPECIFICATIONS Input: AUX 10K , 0.3V-0.5V Music Output: Range 100mV ~ 1.2V, 10K? or less Dimensions: 2" H x 3-9/16" W x 5-5/8" D