DESCRIPTION

MB Quart Reference series four channel car audio amplifier featuring innovative sound quality and power technology. The RA1-280.4 is a 280 watt car audio amplifier. Reference amplifiers feature DC Sensing to allow any amplifier to be easy integrated into an OEM system by simply adapting a RCA cable from the source unit.

SPECIFICATIONS

• 4-channel car amplifier
• 50 watts RMS x 4 at 4 ohms
• 70 watts RMS x 4 at 2 ohms
• 140 watts RMS x 2 bridged at 4 ohms
• variable low- and high-pass filters (50-250 Hz, 12 dB/octave)
• variable bass boost (0-9 dB at 45 Hz)preamp and speaker-level inputs
• speaker wire-to-RCA adapters required for speaker-level input
• DC offset-sensing turn-on with speaker-level input
• wiring, fuse, and hardware not included with amplifier
• 4-gauge power and ground leads and a 40A fuse recommended
• warranty: 1 year