Pyle KTPMSA20H 50 Watt PA Power Amplifier W/ Pair of 8'' Indoor / Outdoor 65 Watt PA Horn Speakers AMP Details: 50W Peak 30W RMS Impedance 4/8 ohms Power On/Off Switch with LED indicator MIC 1 / MIC 2/ AUX 1/4'' Inputs Individual Volume Controls Removable AC Cord Power Input: AC 110V 60HZ Power Input: DC 12V Inlet Dimensions: 2.5''H x 8''W x 7.9''D Speakers Details: Power/Load Rating: 65Watts Nominal Impedance: 8 Ohms Frequency Range: 500 Hz - 5 KHz SPL(@ 1W/1m): 101dB Mounting Bracket & Hardware Included Dimensions: 8" H x 4.5" W x 9'' D