<B>A&E SPECIFICATIONS</B>: The mixer/amplifier shall be Lowell Model No. MA250 which shall have a 250W power amplifier with 4 ohms, 8 ohms, 25V and 70V speaker outputs at a screw terminal. It shall feature five input channels switchable from XLR mic connector to AUX input dual combining RCA-phono connectors, AUX-6 input channel with dual combining RCA-phono connectors, telephone input, dual RCA-phono parallel tape-out connectors, and dual RCA-phono parallel PRE-OUT (pre-amp out) connectors. The mixer/amplifier shall include five channel volume controls, bass and treble controls, and LED display bank for output level. The unit shall measure 17 in.W x 3.5 in.H x 13.5 in.D and include brackets to mount to a 19 in. E.I.A. rack.