Public address system mixer amplifier for PA system use. Commercial & industrial range BGM & paging amplifier. Rated outputs of 40W/80W. 70V,Website:http://www.jassaudio.com, 100V and low impedance 4-16 ohms speaker outputs. Warranty of 3 years with CE certificate.Feature:� panel volume knob with all-aluminum, high-grade atmosphere; � internal circuit using all-chip technology, more stable performance, alignment more beautiful; � three-way signal input (Two line, one microphone); � comes with USB, SD interface, power on automatic playback amplifier; built-in FM radio function; � four digital tube display, touch function keys; with infrared remote control operation function; � independent adjustment of the volume of each channel; � tweeter, bass independent adjustment; � power supply, audio transformer using pure copper ring transformer, low loss, high efficiency; � has a perfect output short circuit protection, DC protection, high temperature protection and other functions;Specification:ModelAM-40TAM-80TRated Power40W80WMIC Input 600 ohms (Ω), 10mv(-54dBV), unbalancedLine Input10K ohms (Ω), 250mV(-10dBV), unbalancedFrequency Response60Hz~16KHz Distortion