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MB Quart RA1-710.5 Reference Series 5-channel car amplifier — 50 watts RMS x 4 at 4 ohms + 350 watts RMS x 1 at 1 ohm
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MB Quart RA1-710.5
Reference Series 5 channel car amplifier — watts RMS x 4 at 4 ohms + 350 watts RMS x 1 at 1 ohm
Power your music
MB Quart's Reference Series RA1-710.5 five-channel amplifier will send 50 watts RMS to each of your front and rear speakers, and up to 350 watts RMS to a subwoofer, making sure you hear and feel your music over road and engine noise. Designed to power high-quality aftermarket drivers, like their Reference Series speakers and subwoofers, this Class D amplifier utilizes MB Quart's unique Q-Stasis (Class SQ) circuitry to improve the accuracy and clarity of your music while giving it the oomph it needs for solid bass.
Versatile features
Remote bass knob included
The amplifier's features include speaker-level inputs with signal-sensing amp turn-on, so it's ready to work in almost any system. High-pass filters shape the signal to fit your full-range speakers for their best-sounding output. A low-pass filter, subsonic filter, and a bass boost EQ on the subwoofer channel help dial in just the right amount of bass bump. A remote bass knob is included so you can control your subwoofer's level from the front seat.
RA1-710.5 power and output connection panel
Product highlights:
- 5-channel car amplifier
- 50 watts RMS x 4 + 150 watts RMS x 1 at 4 ohms
- 100 watts RMS x 4 + 250 watts RMS x 1 at 2 ohms
- 100 watts RMS x 4 at 2 ohms + 350 watts RMS x 1 at 1 ohm
- channels 1-4:
- variable high-pass filters (50-250 Hz, 12 dB/octave)
- subwoofer channel:
- variable low-pass filter (50-250 Hz, 12 dB/octave)
- variable bass boost (0-12 dB at 45 Hz)
- switchable subsonic filter (Off/25 Hz, 12 dB/octave)
- wired remote bass level control included
- 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 an 80A fuse recommended
- dimensions: 14-7/16"W x 2-1/4"H x 5-7/8"D
- warranty: 1 year
- Our 14-day money-back guarantee
- MFR # RA1-710.5
30-Day Return Policy
At Fuego Bass Shop, we want you to be fully satisfied with your purchase. You can return most products within 30 days of delivery for a refund or exchange.
Please note: Any returns with physical damage or missing original packaging may incur a deduction.
Restocking Fee: A 15% restocking fee will be deducted from your refund to cover handling and restocking.
Refunds will be processed to your original payment method within 5–7 business days after we receive and inspect the returned item.
We ship within the United States (excludes recipients in Alaska, Hawaii, Puerto Rico, U.S. Virgin Islands, and Guam).
At Fuego Bass Shop, we understand the thrill of receiving your car audio equipment quickly. Our shipping process is designed to ensure your order arrives safe, fast, and ready to pump bass.
Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days depending on your location. Expedited shipping is available for select items during checkout.
Once your order is shipped, you will receive a tracking number via email so you can follow your gear every step of the way. Our packaging is designed to protect high-performance audio equipment from bumps, vibrations, and shocks during transit.
Please note: Delivery times may vary during holidays, promotions, or due to carrier delays. We highly recommend verifying your shipping address before completing checkout to avoid delays.
If you have any questions about your shipment or need assistance, our support team is ready to help. We want your experience with Fuego Bass Shop to be as powerful and smooth as our bass systems!







