Hi-Fi stereo amplifier. Bluetooth receiver. USB / MP3 player. FM Radio. Microphone inputs with echo and tone. Aluminum panel. Remote control for player. POWER: 230 V AC, 30 W, RESPONSE: 20-20,000 Hz, S/N RATIO: > 70 dB, INPUTS: 1 aux, 2 x RCA, 17,000 Ω 220 mV RMS 2 balanced mics, 6.3 mm jack, 900 Ω 9 mV RMS, OUPUTS: Speakers: Main L / R, 4-16 Ω screw terminals or bananas, PROTECTION: Temperature, short circuit and overload