Unleash Full-Range Clarity – Memphis Audio MJP800.4 MOJO Pro Series 4-Channel Amplifier

Introduction

The Memphis Audio MJP800.4 is a full-range, high-output 4-channel amplifier from the elite MOJO Pro Series, designed to power your mids and highs with incredible clarity and volume. Perfect for competition builds and loud daily drivers, this amp delivers dynamic output across four channels with precise tuning options and rugged construction. Whether you're feeding your pro-audio speakers or bridging power to push midbass drivers or towers, the MJP800.4 gives you full-system control and unmatched performance.

Flexible Configuration Options

With its multi-mode versatility, the MJP800.4 can be run in 4-channel, 3-channel, or bridged 2-channel mode, giving you complete freedom to configure your system your way. Use it to drive four pro-audio midrange drivers, two mids and two tweeters, or bridge it to power a pair of midbass monsters. It's tuned for full-range performance but also includes high-pass and low-pass filters for dialing in crossover points to match your speaker setup.

Key Features

• 4 x 200W @ 4Ω / 4 x 300W @ 2Ω RMS Output – High-power full-range clarity for mids and highs.

• 2 x 400W Bridged @ 4Ω – Run it as a 2-channel beast for powerful midbass or towers.

• MOJO Pro Engineering – Built for competition-grade power and durability.

• Full-Range Class D Design – Efficient, clean output across the audio spectrum.

• Variable Crossovers – 50–250 Hz HPF/LPF on each channel pair.

• High-Level and RCA Inputs – Integrates with OEM and aftermarket audio systems.

• MOJO Styling – Rugged black chassis with bold orange MOJO logo.

What’s in the Box?

• 1 x Memphis Audio MJP800.4 4-Channel Full-Range Amplifier

• Mounting Hardware Kit

• User Manual

• Memphis Audio MOJO Decal

Specifications

• Rated Power Output:

  • 4 x 200W RMS @ 4 Ohms

  • 4 x 300W RMS @ 2 Ohms

  • 2 x 400W RMS @ 4 Ohms (Bridged)

• Amplifier Class: Full-Range Class D

• Frequency Response: 10 Hz – 50,000 Hz

• Crossover Range: 50 Hz – 250 Hz HPF/LPF

• Input Sensitivity: 200 mV – 6V

• Signal-to-Noise Ratio: >85 dB

• Dimensions (L x W x H): 17.91" x 7.87" x 2.28"

• Fuse Rating: External (fused at 120A)

• Warranty: 1 Year