Mcintosh mi 254 - power amplifier

4-CHANNEL CUSTOM INSTALL POWER AMPLIFIER, IDEAL FOR WIRE BROADCAST, HOME THEATER, AND STEREOPHONIC SYSTEMS - POWER 250 WATTS PER CHANNEL INTO 8 OHMS, 300 WATTS PER CHANNEL INTO 4 OHMS - EACH CHANNEL EQUIPPED WITH XLR BALANCED AND RCA UNBALANCED INPUTS, 5-WAY SPEAKER BINDING POSTS OUTPUT TERMINALS, AND ABILITY TO SELECT THE SOURCE TO BE AMPLIFIED (BUS 1, BUS 2, LINE) - 2X L/R UNBALANCED RCA INPUTS AND 2X L/R OUTPUTS (BUS 1 AND 2) FOR EASY DISTRIBUTION OF STEREO SIGNALS VIA MULTIPLE OUTPUTS AND/OR AMPLIFIERS - PROPRIETARY LOUDSPEAKER GUARD AND SENTRY MONITOR TECHNOLOGIES FOR OVERLOAD AND SHORT-CIRCUIT PROTECTION - SIGNAL SENSING FUNCTION FOR SIGNAL PRESENCE DETECTION, WITH AUTOMATIC AMPLIFIER POWER ON/OFF - POWER CONTROL TRIGGER PORTS IN/OUT 12 VOLTS - PHYSICAL SIZE AND SIDE SUPPORTS (REMOVABLE) FOR INSTALLATION IN 2U RACKS - DESIGN AND CONSTRUCTION DETAILS TRUE TO TRADITIONAL MCINTOSH AESTHETIC: VU-METERS WITH POWER OUTPUT DISPLAY FOR CHANNELS 1+2 AND 3+4, GLASS FRONT PANEL, ILLUMINATED LOGOS AND STATUS INDICATORS WITH MULTICOLOR LEDS - DIMENSIONS (W X H X D) 445 (483 WITH RACK MOUNTS) X 110 X 533 MM - WEIGHT 10.7 KG