PRV Audio QS9000 2 18000W Max Power 2 Ohm, Class-D Mono Subwoofer Car Amplifier
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What's Inside?
- • QS Series 18000W Max Power 2 Ohm, Class-D Mono Subwoofer Car Amplifier
- • Owner's Manual
Unmatched 9000W Power Built for Real SPL Pressure
The PRV Audio QS9000 2 Ohm Class D Mono Subwoofer Amplifier is made for enthusiasts who want extreme output that can dominate any sound stage. With a true 9000W RMS power engine, it delivers intense SPL performance designed for demo vehicles and competition level systems. The Class D Brazilian core keeps efficiency high, allowing the amplifier to push massive power while staying controlled and stable even during long, full volume runs.
Heavy Load Stability for Serious Multi Speaker Builds
This amplifier is engineered to handle 2 ohm high load operation with consistent current flow even when driving large and complex speaker systems. It is built for pro audio stuntwall setups, oversized door panels, and multi speaker arrays that demand both strength and control. The regulated power platform helps maintain steady voltage under pressure, while wide response capability allows it to support full range audio systems with ease, from low bass to higher frequency drivers.
Smart Protection and Cooling for Nonstop Performance
The QS9000 is built with a reinforced cooling structure that keeps temperatures under control even when the system is pushed at maximum output for long periods. A noise resistant signal input stage ensures clean audio transfer, reducing interference in high power environments. The multi layer protection system guards against heat, voltage drops, short circuits, and current spikes, giving you confidence in extreme use. LED indicators provide real time feedback for clipping and system status, while the compact design makes installation easier in custom builds without sacrificing raw performance.
Frequently Asked Questions (FAQ)
- • Why does my PRV Audio QS9000 2 OHM keep entering protection mode while playing music?
Protection mode is typically caused by low system voltage, poor ground connections, overheating, or incorrect speaker wiring. Inspect the installation and verify that the speaker load matches the amplifier's specifications.
- • Can I use the QS9000 2 OHM with multiple high power subwoofers?
Yes, many users build multi subwoofer systems with this amplifier. Be sure the combined impedance and total power handling are compatible with the amplifier's rated output.
- • Why is my bass output inconsistent from one song to another?
Different music recordings have different bass levels, but inconsistent output can also be caused by voltage drops, improper gain settings, or incorrect bass boost adjustments.
- • Do I need to upgrade my alternator before installing the QS9000 2 OHM?
For high power systems, an upgraded alternator is highly recommended to maintain stable voltage and provide the current the amplifier requires during demanding playback.
- • Why does my amplifier get hot even though it is mounted in an open area?
Continuous high power use, low system voltage, or heavy speaker loads can generate significant heat even with good airflow. Verify that your electrical system is supplying adequate power.
- • Why do my subwoofers make a popping noise during hard bass hits?
Popping can result from amplifier clipping, excessive cone excursion, loose wiring, or an enclosure that is not properly matched to the subwoofers.
- • Can I install the QS9000 2 OHM in a competition audio build?
Yes, the amplifier is a popular choice for SPL and high output systems when paired with a properly upgraded electrical system and correctly wired subwoofers.
- • Why does my voltage drop every time the bass hits?
Large current demands from the amplifier can overwhelm a factory charging system. Upgrading the battery, alternator, and power wiring can greatly improve voltage stability.
- • What is the most common wiring mistake with the QS9000 2 OHM?
A common mistake is wiring multiple subwoofers to the wrong final impedance, which can reduce performance or cause the amplifier to enter protection mode.
- • How can I keep my QS9000 2 OHM performing at its best for years?
Use oversized power and ground cables, maintain a healthy charging system, wire the subwoofers to the proper impedance, avoid prolonged clipping, provide excellent ventilation, and periodically inspect all electrical connections for wear or corrosion.
- 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:
- 9000W RMS Extreme Output Engine: Built for maximum SPL performance, delivering serious power for large-scale demo and competition builds.
- 2-Ohm High-Load Stability Design: Maintains controlled power delivery even under heavy multi-speaker electrical demand.
- Brazilian Class D High-Efficiency Core: Optimized switching design focused on pushing maximum output while minimizing energy loss.
- Designed for Pro Audio Stuntwalls: Purpose-built for loudspeaker walls, custom door arrays, and high-pressure sound systems.
- Stable Regulated Power Platform: Ensures consistent voltage behavior during long-duration high-volume operation.
- Heavy Speaker Array Compatibility: Supports complex configurations for multiple high-power woofers and midrange drivers.
- Wide-Response Audio Driving Capability: Handles broad frequency demands suitable for full-range professional audio setups.
- Reinforced Cooling Structure System: High-airflow thermal design keeps performance stable under extreme continuous load.
- Noise-Resistant Signal Input Stage: Upgraded RCA section helps maintain clean signal transfer in high-power environments.
- Advanced Multi-Layer Safety System: Protects against thermal overload, voltage drops, short circuits, and current spikes.
- Real-Time Performance Feedback LEDs: Built-in indicators show clipping, protection, and operating status instantly.
- Installation-Friendly High Power Frame: Compact design relative to output level allows flexible mounting in custom builds.
Specifications:
- Impedance: 2 Ohm
- Channels: 1 Channel
- Rated RMS Power at 14.0 V at 2 Ohm: 9000 Watts
- Rated RMS Power at 14.0 V at 4 Ohm: 6200 Watts
- Average Efficiency: 79%
- Operating Voltage: 9 to 16 Volts
- Musical Current Draw: 475 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: 16.50 Lbs
- UPC: 810075526448
- Weight: 16.5
- 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.