MB Quart RA1-280.4 Reference Series 4-Channel Car Amplifier - 50W RMS x 4

MB Quart RA1-280.4 Reference Series 4-Channel Car Amplifier - 50W RMS x 4

MB Quart's Reference Series RA1-280.4 four-channel amplifier provides 50 watts of power to two pairs of speakers, so you can hear and feel your music clearly over road and engine noise. Designed to power high-quality aftermarket speakers, like their Reference Series speakers and components, this Class D amplifier utilizes MB Quart's unique Q-Stasis (Class SQ) circuitry to improve the accuracy and clarity of your music.

Versatile features

The amplifier's features include speaker-level inputs with signal-sensing amp turn-on, so it's ready to work in almost any system. A high-pass filter shapes the signal to fit your full-range speakers for their best-sounding output. You can also configure this amp for two-channel operation to power a pair of subwoofers with up to 140 watts each or for three-channel operation to power a pair of speakers with 50 watts each while powering a sub with 140 watts. A low-pass filter and a bass boost EQ help dial in just the right kind of bass bump you like.

Product highlights:

• 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)

More Info:

• 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
• dimensions: 12-1/2"W x 2-1/4"H x 5-7/8"D
• warranty: 1 year
• MFR # RA1-280.4

What's in the box:

• 4-channel amplifier
• 4mm Hex key
• 2mm Hex key
• Four 5/8" screws
• MB Quart logo badge (taped to the top)
• Quickstart guide