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Memphis Audio 16-MXA1.500

Mono marine/powersports amplifier — 500 watts RMS x 1 at 1 ohm

Item # 953MXA1500

Memphis Audio's compact MXA1.

Memphis Audio's compact MXA1.

Discontinued item

Item # 953MXA1500

About the Memphis Audio 16-MXA1.500

Booming bass for the water or the woods

Memphis Audio's compact MXA1.500 mono amp can send up to 500 watts RMS to your subwoofer, so you'll have the power you need for your marine or powersports sound system.

Booming bass for the water or the woods

Memphis Audio's compact MXA1.500 mono amp can send up to 500 watts RMS to your subwoofer, so you'll have the power you need for your marine or powersports sound system.

This rugged amp features a low-pass filter, variable bass boost, phase switch, and variable subsonic filter that allow you to adjust the output to suit your tastes. A handy remote level control is included, too

Made to excel in extreme conditions

Life on the water or the trail can be tough on audio gear, so Memphis Audio designed this Class D amp to resist salt, spray, and punishing sunlight. The compact design allows it to fit almost anywhere, including consoles and storage compartments, and a clever splash guard protects the internals from unexpected moisture. The MXA1.500 will stay cool and run reliably when you're out having fun.

Confused about impedance? Check out our article on matching subs and amps.


Product highlights:

  • mono marine/powersports amplifier
  • 250 watts RMS x 1 at 4 ohms (350 watts RMS x 1 at 2 ohms)
  • 500 watts RMS x 1 at 1 ohm
  • frequency response: 20-250 Hz
  • variable bass boost up to 12dB
  • variable subsonic filter
  • low-pass filter (50-250 Hz, 12 dB per octave)
  • phase switch (0 to 180 degrees)
  • Class D amp technology
  • one set of preamp inputs
  • 8-gauge wiring kit recommended (sold separately)
  • remote level control included
  • frequency response: 20-250 Hz
  • fuse rating: 50 amps
  • dimensions: 8-15/16"W x 1-15/16"H x 6-13/16"D
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 16-MXA1.500

What's in the box:

  • Mono amplifier
  • Remote level control module
  • 16.25' Remote cable (RJ-14 plugs on both ends)
  • 4mm Allen wrench
  • 2mm Allen wrench
  • 4 Self-tapping screws (M4 x 17mm)
  • 4 Flat washers
  • 4 Split lock washers
  • 2 Self-tapping screws for remote module (M3 x 8mm)
  • 2 Flat washers (for remote)
  • 2 Split lock washers (for remote)
  • Operating Manual
  • Certified Power Output card

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Product Research


Overview: The Memphis Xtreme Audio MXA1.500 is a Class D MXA-series mono amplifier for a subwoofer on your vehicle, ATV, or boat. The amp features coated circuit boards, making it water-resistant and UV-resistant in extreme environments. The MXA1.500 comes with a remote level control, and mounting hardware.

Output Power: The MXA1.500 outputs 250 watts RMS x 1 at 4Ω, and 350 watts RMS x 1 at 2Ω, and 500 watts RMS x 1 at 1Ω.

Controls: The amplifier features a removable clear plastic cover on one end to protect the controls from the elements. The rotary controls can be adjusted with a flat-head screwdriver (not included). The amp has the following controls:

  • Gain: The Gain (or Input Sensitivity) Control helps you match the amplifier to the output of the source unit. This adjusts the amount of signal required to drive the amplifier to full output. The amp will accept low-level signals between 0.2V and 5.0V.
  • Low Pass Filter: The low pass filter lets you adjust the upper frequency limit of the amplifier's output. The rotary control lets you select a crossover point of 50Hz or 250Hz.
  • Subsonic Filter: The variable Subsonic Filter sets the lower frequency limit of the amplifier's output. The crossover point can be set between 10Hz or 50Hz. The Subsonic Filter helps the amp run more efficiently by cutting out super low frequencies that cannot be cleanly reproduced.

Remote Level Control: Included with the amplifier is a Remote Level control module, which mounts near the driver's seat and allows you to adjust the output of the amplifier by varying the gain of the input signal. The Remote Level control comes with an 16.25' cable.

Connections: The MXA1.500 has the following connections:

  • Inputs: The amp has one pair of RCA jacks for connecting the source unit via an RCA cable.
  • Power/Ground: Set screw terminals are provided for connecting power (up to 4 gauge), ground (up to 4 gauge), and remote turn-on lead (10 gauge). Based on the 50A fuse rating, an 8-gauge amplifier wiring kit is recommended. A 50A fuse should be placed on the power wire within 18" of the battery. The terminals can be tightened/loosened with the supplied 4mm and 2mm Allen wrenches.
  • Speaker Output: Set screw terminals are provided for connecting two subwoofers to the amplifier. The terminals are internally wired in parallel, so you can connect a single 4-ohm or 2-ohm subwoofer, two 4-ohm subwoofers, or a single sub with dual 4-ohm voice coils. The terminals will accept up to 10 gauge wire.

Mounting: The MXA1.500 can be mounted in the hatch or trunk, or under the seat of a vehicle. Under the seat of a boat or ATV is also acceptable. It should be mounted in a location that avoids direct contact with water. The amp can be installed horizontally or vertically.

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