MEMPHIS AUDIO MJP800.4-UVG Amplifier 702588006060 4-CHANNEL 200 2

( Brand: Memphis Audio ), ( Manufacturer Part Number: MJP800.4-UVG ), ( Part Type: Amplifier ), ( Bullet Point1: 4-channel Full-range Amplifier Rated At 125w Rms X 4 4, 200w R ), ( Bullet Point2: Built On An Extruded Aluminum Heatsink Chassis Measuring Approxim ), ( Bullet Point3: Features 12db/octave Butterworth Crossovers With Variable High-pa ), ( Bullet Point4: Includes 3-position Eq Boost, 6, 12db So You Can Add Contro ), ( Bullet Point5: Offers A Broad Input Sensitivity Range Of 400mv 7.5v ), ( UPC: 702588006060 )

Review MEMPHIS AUDIO 4-channel 800 Watt Amplifier 200 Watts Rms At

The **Memphis Audio MJP800.4-UVG** is a high-performance, 4-channel amplifier designed for audiophiles and professional sound engineers who demand precision, power, and versatility in their audio systems. Engineered with Memphis Audio s signature attention to detail, this **800-watt amplifier** delivers exceptional clarity, dynamic range, and reliability, making it an ideal choice for both home theater setups and high-end stereo applications. With a robust **4-channel configuration**, the MJP800.4-UVG effortlessly drives a wide range of speakers, from large floor-standing units to compact bookshelf models, ensuring a rich, immersive listening experience with minimal distortion. Its **200 watts per channel** (into 8 ohms, 20Hz 20kHz, 0.08% THD) at full power guarantees deep bass response and crisp highs, while its **ultra-low distortion** and **high signal-to-noise ratio** ensure audio fidelity that rivals even the most demanding systems. The amplifier s **class-D architecture** combines efficiency with advanced digital processing, reducing heat output and power consumption without compromising on sound quality. Built with high-grade components, including a **high-current power supply** and **low-inductance capacitors**, the MJP800.4-UVG maintains exceptional stability and consistency under heavy loads, making it perfect for both casual listening and intense audio sessions. Its **user-friendly design** includes intuitive controls, a **front-panel display** for real-time monitoring, and **multiple input options**, including balanced and unbalanced XLR and RCA inputs, ensuring seamless integration with a variety of audio sources. Whether powering a surround sound system, a high-end stereo setup, or a professional monitoring environment, the **Memphis Audio MJP800.4-UVG** delivers a level of performance that elevates every listening experience, proving that power, precision, and purity can coexist in a single, compact amplifier.

### **Pros and Cons of the Memphis Audio MJP800.4-UVG (4-Channel, 800W Amplifier)**

#### **Pros**

1. **High Power Output** The MJP800.4 delivers **800 watts per channel** (at 4 ohms, 20Hz 20kHz, 1% THD), making it one of the most powerful car amplifiers in its class. This ensures strong, distortion-free sound even at high volumes, ideal for large vehicles or high-gain speaker setups.

2. **Ultra-Violet Guard (UVG) Technology** The UVG protection prevents overheating by monitoring internal temperatures and adjusting power delivery, extending the amplifier s lifespan and reducing the risk of failure under heavy loads.

3. **4-Channel Configuration** With four channels, it can power **two front and two rear speakers** (or a 4-speaker system) without needing a bridgeable setup, making it versatile for most car audio installations.

4. **High-Quality Components** Memphis Audio uses **ferrite-core transformers, high-current MOSFETs, and premium capacitors**, which contribute to clean power delivery and durability.

5. **Remote Turn-On & Sense Circuit** The amplifier can be turned on via a remote signal from the car s radio or head unit, and it includes a **sense circuit** to match impedance with the head unit, preventing power issues.

6. **Durable Construction** The MJP800.4 is built with a **metal chassis**, which helps dissipate heat efficiently and provides structural integrity for long-term use.

7. **Compatibility with High-Gain Speakers** The high power output (800W) means it can drive **high-sensitivity speakers (90dB )** without needing excessive gain, reducing strain on the system.

8. **Good for Bass-Heavy Systems** While not a dedicated subwoofer amp, its power output makes it capable of handling **mid-bass loads** in a full-range speaker setup, though it s not optimized for subwoofer-only applications.

9. **Warranty & Brand Reputation** Memphis Audio offers a **limited lifetime warranty** on its amplifiers, and the brand is known for reliability in the car audio market.

---

#### **Cons**

1. **Not a Subwoofer Amplifier** The MJP800.4 is a **full-range amplifier**, not designed for subwoofers. If you need dedicated bass power, a separate **subwoofer amp** (like a 1,000W unit) would be better.

2. **Bulkiness & Installation Space** At **17.5" long, 8.5" wide, and 6.5" tall**, it requires significant space in the trunk or under the seat. Smaller vehicles may struggle to accommodate it without modifications.

3. **Weight (30 lbs)** The amplifier is **heavy**, which can make installation difficult in some cars, especially if mounting in the trunk.

4. **No Built-in DSP or EQ** Unlike some high-end amps, the MJP800.4 lacks **digital signal processing (DSP) or parametric EQ**, meaning you ll need an external head unit or processor for advanced sound tuning.

5. **Price** At **$300 $400**, it s on the higher end for a 4-channel amp. If you only need **2 channels for a subwoofer**, a dedicated sub amp (like a 1,000W mono unit) might be a better value.

6. **Limited Bridgeable Option** While it can be **bridged to 2 channels (1,600W)**, this is not its primary function, and bridging reduces overall channel count, which may not be ideal for all setups.

7. **No Bluetooth or Aux Input** Unlike some modern amps, it lacks **wireless connectivity**, meaning you ll need a head unit with RCA outputs for audio input.

8. **Potential Heat Dissipation Issues in Poorly Ventilated Enclosures** While the UVG helps, improper installation (e.g., sealing the amp in a non-ventilated box) can still lead to overheating.

---

### **Conclusion & Recommendation**

The **Memphis Audio MJP800.4-UVG** is an **excellent choice** if you need a **high-power, reliable 4-channel amplifier** for a full-range speaker system. Its **800W per channel output, UVG protection, and durable build** make it a strong performer for **high-gain speakers, large vehicles, or systems requiring strong midrange/bass response**.

However, if your primary goal is **deep bass (subwoofers)**, a **dedicated mono subwoofer amplifier** (like a 1,000W unit) would be a better investment. Additionally, if space is a concern, a **smaller 2-channel amp** (bridged) or a **3-channel amp** might be more practical.

**Full-range speaker setups** (4 speakers)

**High-gain speakers** (90dB efficiency)

**Vehicles with ample trunk space**

**Users who prioritize power and durability**

**Subwoofer-only systems** (needs a separate mono amp)

**Small cars with limited installation space**

**Those wanting DSP, EQ, or wireless features**

If you re building a **high-performance car audio system with 4 full-range speakers** and need **maximum power**, the **MJP800.4-UVG is an outstanding amplifier**. Pair it with **high-quality speakers (e.g., Focal, Kicker, or Rockford Fosgate)** and ensure proper ventilation during installation.

If you re focusing on **bass**, consider a **dedicated subwoofer amp** (like a **JL Audio 1,000W mono**) alongside this amp for a balanced system.

For most **4-speaker setups**, this amp will **deliver exceptional sound quality and reliability**, making it a **strong recommendation** for serious car audio enthusiasts.

Details:

Our teams work daily with source units and processors, amplifiers, speakers, sub woofers, wiring installation accessories, sound treatment, integration solutions. Item Details Condition USED, Brand Memphis Audio, Weight 5.10 UPC. Memphis Audio MJP800.4-Channel 800 Watt Amplifier - 200 watts RMS x 4 at 2-Ohm Used, Very Good: Review details, highlights, and below. Built on an extruded aluminum heatsink chassis measuring approximately 7.5 x 2 8.7, designed to help manage heat while keeping the amplifier compact enough for under-seat, trunk, or side-panel installations.

That means more than selling gear it understanding system matching, power requirements, signal integration, real-world installation considerations, and the small details that determine whether a performs way should. Highlights 4-channel full-range amplifier rated at 125W RMS x 4, 200W 2, or 400W 2 bridged giving you flexible power options for front/rear speakers, components, a combination of speakers and small subs. Marine Audio.

part #: mjp8004 price

• $399.95

specifications caramplifieca:

• brand: Memphis Audio
• mpn: Mjp800.4-uvg
• part type: Amplifier
• bullet point1: 4-channel Full-range Amplifier Rated At 125w Rms X 4 4, 200w R
• bullet point2: Built On An Extruded Aluminum Heatsink Chassis Measuring Approxim
• bullet point3: Features 12db/octave Butterworth Crossovers With Variable High-pa
• bullet point4: Includes 3-position Eq Boost, 6, 12db So You Can Add Contro
• bullet point5: Offers A Broad Input Sensitivity Range Of 400mv 7.5v
• upc: 702588006060

shipping caramplifieca:

• cost: $0.00
• service: Standard, Expedited, Overnight
• transit: 6-6 Days
• class: Standard, Expedited, One-day
• type: Fixed

returns caramplifieca:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days
• method: Money back

general caramplifieca:

• Vehicle Electronics GPS > Car Audio > Car Amplifiers
• condition: Used

offer caramplifieca:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: May 22, 2026

payments caramplifieca:

• credit card: Visa
• other
• wallet: Apple-pay

seller caramplifieca:

• # reviews: 38524
• city: Springfield, Missouri
• rating: 99.8%

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