PYLE 60 Watt Power Amplifier w/ 25 & 70 Volt Output "Power On/Off Switch & LED IndicatorMIC 1 Output Level Control MIC 2/AUX Output Level Control Bass and Treble Tone Controls AUX RCA Input MIC 2/AUX Input Selector Switch MIC 1/MIC 2 Terminals (MIC 1 Auto Talkover) Mute Terminals Monitor 600-Ohm 1V Terminals (Music On Hold) Monitor 1W 8-Ohm Terminals (Music On Hold) Monitor Output Level Control (Music On Hold) TEL/PAGING Terminals Paging Output Level Control MIC/TEL VOX Level Control (Internal) Speaker Terminals (COM/4-ohm/8-Ohm/16-Ohm/25V/70V) Replaceable Fuse Unswitched 500W Max AC Outlet 110/220 Voltage Selector Detachable AC Power Input Dimensions: WxHxD: 10.7''W x 3.46''H x 8.86''D