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DLS MR A 31

460W RMS, 3-Channel Class AB Marine Amplifier (10-80231)

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Specials with this product

  • Free Ground Shipping to the 48 statesdetails
  • 3-Channel Class AB Marine Amplifier
  • RMS Power Rating (13.8V):
    • 4 ohms: 65 watts x 2 chan. + 170 watts x 1 chan.
    • 2 ohms: 90 watts x 2 chan. + 280 watts x 1 chan.
    • Bridged, 4 ohms: 170 watts x 1 chan.
  • Pulse Width Modulated MOSFET power supply
  • Lacquer coated PC board protects against moisture
  • LED power (green) and protect (red) indicators
  • Rotatable and removable logo
  • Removable side flanges
  • Soft Start Turn-on
  • 3/2/1 channel operation
  • Speaker-level inputs with signal sensing for automatic turn-on
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • Input sensitivity:
    • Level: 250mV-5V
  • Variable high-pass filter (50-150 Hz)
  • Variable low-pass filter (50-120 Hz)
  • Fixed subsonic filter (25 Hz)
  • Phase Shift: 0-180°
  • Damping factor: >100
  • Frequency response: 10-35,000 Hz
  • Dimensions: 10-9/16"D x 14-1/16"W x 2-15/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year Manufacturer's warranty

Sonic Electronix, Inc. cannot ship DLS products to Sweden.

Power Specifications - Full Range Channels
RMS Power @ 4 ohms65 watts x 2 channels
RMS Power @ 2 ohms90 watts x 2 channels
RMS Power @ 1 ohmNot Stable
Bridged RMS Power170 watts x 1 channel
Peak Power OutputNot Specified
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms170 watts x 1 channel
RMS Power @ 2 ohms280 watts x 1 channel
RMS Power @ 1 ohmN/A
Peak Power OutputN/A
Amplifier Specifications
Marine CertifiedYes
Amplifier ClassAB
Number of Channels3
Total Peak Power OutputN/A
Total RMS Power Output460 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS PowerN/A
Speaker Level InputsYes - with included adapter
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency50 - 150 Hz
Low-Pass Crossover Frequency50 - 120 Hz
Subsonic Filter25 Hz
Signal-to-Noise Ratio>100 dB
Channel SeparationN/A
Bass BoostN/A
Bass/Gain RemoteNo
Fan CooledNo
Fuse Rating30A x 2 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Main Product
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DLS MR A 31DLS MR A 31$399.95

Product Summary

Manufacturer: DLS
Model number: MR A 31
UPC: 7331644885207
Weight: 5.00 lbs
Internal SKU: dlsmra31
Internal product ID: 26437

Price Information

$499.95

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$399.95

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Customer Testimonial

Fast, awesome customer service. Products shipped out right away, and I was happy with prices. I wil definitely be a returning customer.

- Jim from Dubuque, IA

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