45 Watt Amplifier with USB Model ATI 45

Power Output : 45 W Max, 40 W RMS @ 10 % THD
Input Channel : 2 X MIC 0.64 Mv/4.7 K Ohms , 1 X AUX 100 MV/470 K Ohms
Freq Response : 100 – 15000 Hz +_3 DB
Signal To Noise Ratio : 60 Db
USB : BT/MP3
Speaker Output : 4/8/16 Ohms & 100 V
Power Supply : DC – 12 V