Memphis Audio MJP800.4
Mojo Pro 800W 4-Channel Amplifier
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Unleash Full-Range Clarity – Memphis Audio MJP800.4 MOJO Pro Series 4-Channel Amplifier
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.
Key Features
| Feature | Description |
|---|---|
| 4 x 200W @ 4Ω / 4 x 300W @ 2Ω RMS Output | High-power output across four channels for full-range speakers |
| 2 x 400W Bridged @ 4Ω | Bridge mode capability for heavy-duty midbass or tower speakers |
| MOJO Pro Engineering | Competition-grade design built for serious power and durability |
| Full-Range Class D Design | Efficient and clean performance from 10 Hz to 50 kHz |
| Variable Crossovers | 50–250 Hz HPF/LPF on both channel pairs for precision tuning |
| High-Level and RCA Inputs | Seamlessly integrates with factory or aftermarket head units |
| MOJO Styling | Bold black and orange design with heat-efficient chassis |
Flexible Configuration Options
- ✔ Use in 4-channel mode for mids and tweeters
- ✔ Use in 3-channel mode for stereo mids and a bridged center
- ✔ Use in 2-channel bridged mode to power high-output midbass speakers
- ✔ Works equally well in SPL competitions or powerful daily driver builds
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
| Specification | Details |
|---|---|
| Rated Power Output | 4 x 200W RMS @ 4Ω 4 x 300W RMS @ 2Ω 2 x 400W RMS @ 4Ω (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 fuse required (120A total) |
| Warranty | 1 Year |
Frequently Asked Questions (FAQ)
| Q: Can I bridge this amplifier? | A: Yes, the MJP800.4 can be bridged to 2 channels at 4 ohms for up to 400W RMS x 2. |
| Q: Is it full-range capable? | A: Yes, this amp is designed as a full-range Class D, perfect for mids, highs, and even midbass. |
| Q: Will it work with my factory radio? | A: Absolutely. It includes both high-level (speaker wire) and RCA inputs for flexible integration. |
| Q: Does it include crossovers? | A: Yes, each channel pair has independent high-pass and low-pass filters from 50–250 Hz. |
| Q: Is this amp good for pro audio setups? | A: Definitely — it’s built for loud, clear output and thrives in pro audio or competition builds. |
Power Your System with Authority – Memphis MJP800.4
Whether you're pushing multiple mids and tweeters or powering a custom tower setup, the Memphis Audio MJP800.4 gives you unmatched output, clarity, and reliability. Engineered for competitors and serious audio enthusiasts alike, it’s your go-to full-range amp for dominating the lanes or your local streets.
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.