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Hot Item Mb Quart Ra1-280.4 Reference Series 4-channel Car Amplifier - 50w Rms X 4 - Ships Same Day [nmj4c5tr]

$45.99 $147.99 -69%

MB Quart RA1-280.4 Reference Series 4-Channel Car Amplifier Experience the power and precision of the MB Quart RA1-280.4 Reference Series 4-Channel Car Amplifier, designed to deliver an unparalleled audio experience in your vehicle. This amplifier is

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Hot Item Mb Quart Ra1-280.4 Reference Series 4-channel Car Amplifier - 50w Rms X 4 - Ships Same Day [nmj4c5tr]

MB Quart RA1-280.4 Reference Series 4-Channel Car Amplifier

Experience the power and precision of the MB Quart RA1-280.4 Reference Series 4-Channel Car Amplifier, designed to deliver an unparalleled audio experience in your vehicle. This amplifier is engineered to power high-quality speakers, ensuring a clear and immersive sound that overpowers road and engine noise.

Unmatched Power and Flexibility

The RA1-280.4 offers 50 watts RMS x 4 at 4 ohms, providing ample power for two pairs of speakers, allowing you to hear and feel every detail of your music. With its versatile features, this amplifier can be configured for two-channel or three-channel operation, enabling you to power a pair of subwoofers or a combination of speakers and subwoofers. Key benefits include:

  • Powerful Output: 50 watts RMS x 4 at 4 ohms, 70 watts RMS x 4 at 2 ohms, and 140 watts RMS x 2 bridged at 4 ohms.
  • Flexible Configuration: Two-channel or three-channel operation for optimal speaker and subwoofer setup.

Advanced Features for Enhanced Performance

The RA1-280.4 is equipped with MB Quart's unique Q-Stasis (Class SQ) circuitry, which improves the accuracy and clarity of your music. Additional features include:

  • Variable Filters: Variable low- and high-pass filters (50-250 Hz, 12 dB/octave) for optimal signal shaping.
  • Bass Boost: Variable bass boost (0-9 dB at 45 Hz) to tailor your bass to your preference.

What Our Customers Say

January 21, 2026

Absolutely no complaints!

An incredibly useful and an very efficient item.

- Llewellyn L..

January 21, 2026

Absolutely no complaints!

The best I have ever used. Without a doubt.

- Talfryn K..

January 21, 2026

Absolutely no complaints!

A very well-conceived and a very useful product.

- Tudur V..

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