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PRV Audio QS400.4 2 Ohm

400W RMS Class D QS Series 4-Channel Car Amplifier

PRV Audio
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• 70 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Learn more about the qs40042ohm
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List price $99.89
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Description


PRV Audio brand icon

Authorized dealer

Versatile Amplified Audio Integration

The PRV Audio QS400.4 amplifier delivers a high-performance solution for enthusiasts seeking massive power in a compact chassis. This digital Class D Brazilian amplifier provides 400 watts of true RMS output across four independent channels. Its small footprint allows for versatile installation in tight spaces without sacrificing thermal efficiency or sound quality.

Experience superior clarity and punchy audio performance with a regulated power supply that ensures consistent delivery. The heavy-duty cast aluminum heatsink provides exceptional heat dissipation for reliable operation during extended listening sessions. Integrated protection systems guard against high temperatures and short circuits to protect your investment on the road.

Maximize your vehicle's electrical system with an impressive efficiency rate reaching up to ninety percent. The bridgeable design allows you to double the power output for high-demand speakers and complex system configurations. Secure this professional-grade audio component today to transform your daily commute into a premium listening experience.

Product Details:

  • QS Series Class D 2 ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 70 watts x 4 channel
    • 2 ohm: 100 watts x 4 channel
    • Bridged: 200 watts x 2 channel @ 4 ohm
  • Total power output: 400 watts
  • LED power / protect light
  • Digital Brazilian technology
  • Regulated power supply with an 80-90 percent efficiency
  • Compact chassis with small footprint
  • Heavy duty cast Aluminum heat sink
  • 1 pair of pre-amp outputs
  • Signal sensing remote turn-on
  • High temperature and short circuit protection
  • Minimum Input sensitivity: 200 mV
  • Frequency Response: 20 - 25000 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: 90 dB
  • Fixed high-pass filter: 0 - 90 Hz
  • Fixed low-pass filter: 0 - 90 Hz
  • Fuse Rating: 25A
  • 8 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 4" L x 5.4" W x 2" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • MFR #: QS400.4 2 Ohm

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Specifications & Details


Key Features
Amplifier Key Features
Compact Design
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
70 watts x 4 channel
RMS Power @ 2 ohms
100 watts x 4 channel
Bridged RMS Power
200 watts x 2 channel
Amplifier Specifications
Series
QS Series
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
400 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Frequency Response
20 - 25000 Hz
THD at Rated RMS Power
1%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
0 - 90 Hz
Low-Pass Crossover Frequency
0 - 90 Hz
Signal-to-Noise Ratio
90 dB
Remote bass/level controller
No
Total Fuse Rating
25
Strappable
No
Sonic Certified Amplifier
No
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
What is in the box?
Paperwork
User manual
WITB: Amplifiers
Amplifier
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

QS400.4 2 Ohm

Weight:

1.40lbs

Internal SKU:

qs40042ohm

Internal Product ID:

229934

Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.