Designed as an ideal selection for a wide range of commercial and retail applications, the M65BT Compact Mixer and Amplifier from Quest Commercial is a straightforward yet versatile amplifier and mixer combo that provides up to 65W of power for passive speakers and sports an internal transformer for 25 and 70V distribution or direct 4- or 8 Ohm operation. The M65BT makes it easy to feed virtually any sound source into one of the amps three channels, and dedicated knob controls for source volume, master volume, and 2-Band EQ let you quickly make adjustments on the fly. The M65BT includes a plethora of I/O connections in terminal block, RCA, and front-panel 3.5mm forms for connecting media players, wireless mic systems, phantom-powered microphones, and even paging and telecom systems, making this system great for commercial telephone networks that require background music. The system also supports facilities for receiving wireless audio signals from Bluetooth and FM radio sources, plus the ability to playback and record to and from USB flash drives and SD cards, providing you with a lot of options. With built-in protections like overcurrent, DC offset, and thermal protections, you never have to worry about harming your speakers or amplifier.