RCF ES 3160, CD-USB/MP3 receiver, mixer amplifier with FM radio and CD/MP3 - USB player, I / R remote control for CD player and USB radio, Class-D amplifier with 160 watts at 4 ohms and 70/100V, 4 universal mic / line inputs with phantom power, presence and high-pass filter, an additional RJ-45 jacks for channels 2 and 3 for a direct connection of the BM 3001 microphone, adjustable priority, Microphone priority on channel 1, 2 AUX inputs for playback devices with Tone control and separate volume control, front panel USB port for USB, MP3 files, music on hold and PRE outputs, microprocessor control, LED PROTECT-PRIORITY-SIGN/PEAK, status / priority / Audio Level LED, digital chime and siren generator, permanent chime and siren activated via external contact inputs with screw terminals, XLR and RJ45 jacks, 19 "3U.