SSB-120DP AMPLIFIER 120 WATTS WITH BUILT-IN DIGITAL PLAYER MEDIUM WATTAGE PA MIXER AMPLIFIER 5 Mic & 2 Aux Inputs. Built-in MP3 player with remote control for USB, SD/MMC card reader. Line output for connecting to a Booster Amplifier and Preamplifier Output for recording the programme. Cut and Boost type Bass & Treble controls. Instant transfer to DC power (Car Battery) if AC power fails. 5 LED array for output level monitoring.