PRV Audio QS400.4 4-Channel 1600W Max Power 2 Ohm, Full Range Car Amplifier
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What's Inside?
- • QS Series 4-Channel 1600W Max Power 2 Ohm, Full Range Car Amplifier
- • Owner's Manual
Pure Power Built on Advanced Brazilian Class D Tech
The PRV Audio QS800.4 2 Ohm Full Range Car Amplifier is made for enthusiasts who want clean, efficient power that hits hard without wasting energy. Built with advanced Brazilian Class D technology, it delivers high output while keeping heat low and stability high. With 4 x 220W RMS at 2 ohms, it gives you strong, balanced power across your entire speaker setup, making every note feel tighter, clearer, and more controlled even at higher volume levels.
Flexible Power Setup for Any System Build
This amplifier is designed to adapt to your system, no matter how simple or complex your setup is. The bridgeable output design lets you combine channels for 2 x 450W RMS at 4 ohms, giving you extra power when you need it for bigger speakers or sub setups. Its wide frequency response handles everything from subbass to highs with ease, making it perfect for full range systems. Add in 2-ohm stable operation, and you get consistent performance even when pushing multiple speakers in demanding configurations.
Compact Design, Big Sound, Real Reliability
Even with all that power, the QS800.4 stays compact and easy to install thanks to its small footprint chassis that fits almost anywhere in your vehicle. The aluminum heatsink and advanced airflow design keep temperatures under control, even during long listening sessions or heavy bass runs. With high efficiency power management reaching up to 90 percent, you get strong output without stressing your electrical system. It delivers clean signal reproduction with solid midbass punch and crisp highs, making it a reliable choice for daily drivers and serious car audio builds alike.
Frequently Asked Questions (FAQ)
- • Why does my PRV Audio QS800.4 2 OHM shut off when I increase the volume?
The amplifier may be entering protection mode due to overheating, low supply voltage, incorrect speaker impedance, or amplifier clipping. Inspect your electrical system and speaker wiring.
- • Can I run four high power speakers with the QS800.4 2 OHM?
Yes, the amplifier is designed to power multiple speakers as long as the total load and power requirements remain within its recommended operating specifications.
- • Why is my QS800.4 2 OHM getting extremely hot during normal use?
Poor ventilation, low impedance loads, or improper gain adjustment can cause excessive heat. Mount the amplifier where air can circulate freely and verify the speaker wiring.
- • Why do I hear engine whine after installing the QS800.4 2 OHM?
Engine noise is typically caused by poor grounding, damaged RCA cables, or signal cables routed too close to power wires. Improving the installation usually removes the interference.
- • Can I bridge the QS800.4 2 OHM for more output power?
Yes, bridging is supported when the amplifier is wired according to its specifications. Always confirm the minimum bridged impedance before connecting your speakers.
- • Why does one speaker sound weaker than the others?
Uneven output can be caused by incorrect gain settings, loose speaker connections, damaged RCA cables, or a faulty speaker. Test each channel to identify the source of the problem.
- • Is the QS800.4 2 OHM a good amplifier for a full range audio system?
Yes, many users install it to power door speakers, midrange drivers, and tweeters in active or passive audio systems for clean and dynamic sound.
- • Why do my speakers clip before the amplifier reaches full power?
Clipping often occurs because the gain is set too high, the source unit is sending a distorted signal, or the speakers have reached their operating limits.
- • Can I install the QS800.4 2 OHM in a truck, Jeep, or UTV?
Yes, it is commonly installed in trucks, Jeeps, UTVs, and other custom vehicles. Choose a mounting location that provides good airflow and protects the amplifier from moisture.
- • What is the best way to maximize the performance of the QS800.4 2 OHM?
Use properly sized power and ground cables, match the amplifier with compatible speakers, adjust the gain carefully, configure the crossover correctly, and maintain a stable electrical system for consistent, high quality performance.
- Maximum Power : 1600 Watts
- Number of Channels : 4
- Frequency Response : 20-25000 Hz
- Built In Crossovers : Yes
- RMS Power Output : 800 Watts
- Amplifier Class : D
- Fuse Rating : 60 A
Features:
- Advanced Brazilian Class D Technology: Delivers efficient full-range amplification with reduced heat generation and high power stability.
- 4-Channel High Power Output: Provides 4 x 220W RMS at 2 ohms for balanced multi-speaker system configurations.
- Bridgeable Output Design: Capable of 2 x 450W RMS bridged at 4 ohms for increased power delivery to larger speakers or sub systems.
- High Efficiency Power Management: Regulated power supply ensures consistent output with 80–90% efficiency for reliable performance.
- Wide Frequency Response Capability: Designed for full-range use across subwoofers, midbass, midrange, and high-frequency drivers.
- Compact High-Performance Chassis: Small footprint design (8” x 7.90” x 2.65”) allows flexible and discreet installation in tight spaces.
- 2-Ohm Stable Operation: Supports multiple speaker configurations while maintaining stable and clean output performance.
- Clean Signal Reproduction: Produces precise midbass impact with clear highs for accurate and dynamic sound staging.
- Advanced Thermal Control System: Aluminum heatsink design with airflow optimization ensures stable operation under heavy load.
- Versatile System Integration: Ideal for daily car audio setups requiring reliable power and multi-speaker distribution.
Specifications:
- Impedance: 2 Ohm
- Channels: 4 Channel
- Rated RMS Power at 14.0 V at 2 Ohm: 4x 220 Watts RMS
- Rated RMS Power at 14.0 V at 4 Ohm: 4x 140 Watts RMS
- Bridged Rated RMS Power at 14.0 V at 4 Ohm: 2x 450 Watts RMS
- Average Efficiency: 82%
- Operating Voltage: 9 to 15 Volts
- Musical Current Draw: 45 A
- Minimal Power Wire Input: (OFC) 4 Gauge wires
- Built-in Crossover: Fixed HPF & LPF at 90 Hz
- Minimal Speaker Wire Output: 14 Gauge
- Frequency Response(-3dB): 20 – 25,000 Hz
- Min. Input Sensitivity for Max. Output: 200 mV
- Signal Input: 2 Pair RCA
- Signal to Noise: >90 dB
- Protection System: High Temperature / Short circuit on Output
- Heat Sink Type: Heavy Duty Cast Aluminum
- Dimensions (Width x Depth x Height): 7.90″ x 8.00″ x 2.65″
- UPC: '810075523973
- Weight: 3.8
- Authorized Internet Dealer
Warranty: 1 Year Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 1 Year from the original date of purchase with proper return authorization.
