MB Quart RA1-280.4 Reference 4-Channel 280 Watt Max Car Audio Speaker Amplifier

MB Quart RA1-280.4 Reference 4-Channel 280 Watt Max Car Audio Speaker Amplifier 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, allowing any amplifier to be easily integrated into an OEM system by simply adapting an RCA cable from the source unit. General Features: Reference Series Series RA1-280.4 Class D 4 Ohm Stable 4-Channel Amplifier RMS Power Rating @ 4 ohms: 50 watts x 4 channel RMS Power Rating @ 2 ohms: 70 watts x 4 channel RMS Power Rating Bridged, 4 ohms: 140 watts x 2 channel Speaker-level (high-level) inputs 3-way protection circuitry (thermal, overload, and speaker short protection) Variable high-pass filter: 50 - 250 Hz, 24 dB/octave Variable low-pass filter: 50 - 250 Hz, 24 dB/octave Variable Bass Boost: 0 - 9 dB bass boost at 50 Hz Fuse Rating: 40A 4 AWG gauge power and ground wiring is recommended for installati