PRV Audio QS9000 1 18000W Max Power 1 Ohm, Class-D Mono Subwoofer Car Amplifier
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What's Inside?
- • QS Series 18000W Max Power 1 Ohm, Class-D Mono Subwoofer Car Amplifier
- • Owner's Manual
9000W SPL Monster Built for Extreme Competition Power
The PRV Audio QS9000 1 Ohm Class-D Mono Subwoofer Car Amplifier is designed for car audio enthusiasts who want absolute extreme output for SPL and demo level systems. With ultra massive 9000W RMS power delivery, it is built to push serious pressure in competition setups and large scale audio builds. Its high efficiency Class D power engine delivers maximum output while reducing heat strain, giving you powerful performance that stays controlled even during long, hard running sessions.
Engineered for Heavy Loads and Massive Stuntwall Systems
This amplifier is built for heavy duty 1 ohm load handling, allowing it to sustain extremely low impedance operation with stable current delivery under stress. It is tuned specifically for stuntwall focused power systems, making it ideal for large PRO audio door walls and multi speaker pressure builds. With large array speaker compatibility, it supports complex wiring setups with multiple woofers and midrange driver banks, giving you full freedom to design aggressive high output systems. A reinforced voltage regulation system keeps energy delivery consistent during long duration high volume playback.
Pro Level Protection, Cooling, and Clean Signal Performance
The QS9000 is built with industrial thermal control structure that uses heavy airflow cooling to maintain stability under extreme continuous load. Its secure signal interface design reduces noise and keeps RCA signal transmission clean for better audio accuracy. A multi layer protection system guards against thermal overload, short circuits, voltage drops, and current spikes, keeping your system safe even when pushed hard. Visual LED monitoring gives real time feedback on clipping and amplifier status, while its installation adaptable design makes it easier to integrate into large custom builds where both space and power efficiency matter.
Frequently Asked Questions (FAQ)
- • Why does my PRV Audio QS9000 1 OHM shut down during long bass sessions?
The amplifier may enter protection mode because of overheating, low battery voltage, poor grounding, or incorrect speaker impedance. Check the entire electrical system before continuing to operate it.
- • Can I safely run the QS9000 1 OHM at a 1 ohm load every day?
Yes, it is designed for 1 ohm operation when paired with a properly upgraded charging system, quality wiring, and adequate cooling.
- • Why is my amplifier not delivering the bass output I expected?
Low output is often caused by incorrect gain settings, voltage drop, poor enclosure design, or subwoofers wired to the wrong impedance.
- • Do I need multiple batteries for the QS9000 1 OHM?
Many high power systems benefit from additional battery capacity, especially if the amplifier is used for extended periods at high output.
- • Why does my voltage drop below 12 volts during heavy bass?
This usually indicates that the electrical system cannot keep up with the amplifier's current demand. Upgrading the alternator, battery, and power wiring can improve voltage stability.
- • Why does my amplifier become extremely hot after playing for an hour?
Continuous high power output, poor ventilation, or restricted airflow can increase operating temperatures. Mount the amplifier where it has sufficient cooling space.
- • Can I use the QS9000 1 OHM in an SPL competition build?
Yes, it is commonly chosen for competition style systems because it can deliver substantial power when supported by a properly designed electrical system.
- • Why do my subwoofers sound distorted even with a powerful amplifier?
Distortion is often caused by amplifier clipping, incorrect crossover settings, enclosure issues, or subwoofers exceeding their mechanical limits.
- • What is the biggest installation mistake people make with the QS9000 1 OHM?
One of the most common mistakes is underestimating the electrical requirements by using undersized power cables or a charging system that cannot support the amplifier.
- • How can I maximize the lifespan of my QS9000 1 OHM?
Use heavy duty power and ground wiring, maintain a strong charging system, wire your subwoofers correctly, avoid prolonged clipping, provide excellent ventilation, and periodically inspect all electrical connections.
- Maximum Power : 18000 Watts
- Low Frequency Response : 20 Hz
- High Frequency Response : 15000 Hz
- Number of Channels : 1
- Frequency Response : 20-15000 Hz
- RMS Power Output : 9000 Watts
- Amplifier Class : D
- Fuse Rating : 500 A
Features:
- Ultra Massive 9000W RMS Power Stage: Delivers extreme high-wattage output designed for serious SPL competition and demo builds.
- Heavy-Duty 1-Ohm Load Handling: Built to sustain extremely low impedance operation with stable current delivery under stress.
- High-Efficiency Class D Power Engine: Advanced switching design maximizes output efficiency while reducing thermal strain.
- Stuntwall-Focused Power Design: Tuned specifically for large-scale PRO audio door walls and multi-speaker pressure systems.
- Reinforced Voltage Regulation System: Maintains consistent energy delivery during long-duration high-output playback.
- Large Array Speaker Compatibility: Supports complex wiring setups for multiple woofers and midrange driver banks.
- Wideband Audio Driving Capability: Engineered to handle a broad frequency range for full-system PRO audio applications.
- Industrial Thermal Control Structure: Heavy airflow cooling system ensures stable operation under extreme continuous load.
- Secure Signal Interface Design: Upgraded RCA input stage reduces noise and maintains clean audio transmission.
- Multi-Layer Protection System: Includes safeguards against thermal overload, short circuits, voltage drops, and current spikes.
- Visual Output Monitoring System: Integrated LED indicators allow real-time tracking of clipping and amplifier status.
- High-Power Installation Adaptability: Designed for integration into large custom builds where space and power efficiency matter.
Specifications:
- Impedance: 1 Ohm
- Channels: 1 Channel
- Rated RMS Power at 14.0 V at 1 Ohm: 9000 Watts
- Rated RMS Power at 14.0 V at 2 Ohm: 6400 Watts
- Average Efficiency: 77%
- Operating Voltage: 9 to 16 Volts
- Musical Current Draw: 480 A
- Minimum Power Wire Input: (OFC) 0 Gauge
- Protection Fuse or Circuit Breaker: 500 Amps
- Minimum Speaker Wire Output: Dual 12 Gauge
- Frequency Response (-3dB): 20 – 15,000 Hz
- Min. Input Sensitivity for Max. Output: 200 mV
- Signal Input: 1 Pair RCA
- Signal to Noise: >90 dB
- Protection System: Low & High Supply Voltage / Shortage on Output / Low Impedance on Output
- Heat Sink Type: Heavy Duty Cast Aluminum
- Dimensions (W x D x H): 20″ x 10.25″ x 3″
- Weight: 16.30 Lbs
- UPC: 810075526431
- Weight: 16.3
- 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.