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4 Channel Full Range-OPEN BOX

Q800.4 2Ω (Open Box)

Out of stock


  • Full Range Amp
  • Compact 4 Channel
  • 4x 225 Watts 2Ω


Out of stock



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SKU: Q800.4 2 Ohms-OPEN BOX Category: Tag:



OPEN BOX – Q800.4 2Ω – 4 Channel Full Range

Manufacturer Refurbished – Product has been tested and guaranteed to work, may have some scratches/marks due to previous installation. Product may not come in original box. – 30 Day Warranty Only

Q Series digital amplifiers are all about ultra compact design, where performance is not sacrificed!


  • Max Output Power of 900 Watts RMS, 4x 225 Watts at 2 Ohms- 4 Channel full range amplifier stable at 2 Ohms each gives you the benefit to wire multiple speakers and dividing the power.
  • Ultra Compact Design, where performance is not sacrificed! Dimensions: 9″ Wide x 7.28″ Length x 2.15″ Height
  • 4 Gauge power/ground connectors and 12 Gauge speaker terminals
  • Built-in variable HPF / LPF crossover filters and bass boost control. This allows tuning for speakers or horn drivers, an easy setup without needing an external crossover.

Our engineering team focused on achieving fidelity first, and then on making our Q Series amplifiers amazingly efficient and small.

The Q800.4 2 Ohms is rated at 4x 200 Watts RMS at 12.6 volts with 88% efficiency.

  • BRIDGEABLE: Double the power output to your speakers by bridging two channels. Minimum impedance of 4 Ohms per bridged channel at output power of 2 x 400 Watts RMS

The Q Series delivers the most innovative nano technology, able to constantly deliver power at a wide frequency range when on a compact heatsink. Loaded with features, built-In Low/ High Pass Filter, Bass Boost allow the use of this amplifier for a broader variety of applications – from deep bass all the way to high frequencies.
Channels 1, 2, 3 and 4 have the following built-In crossover filters
• HPF ( High Pass Filter ) – Allows adjustment from 15Hz to 6000Hz at 12dB/Oct Slope
• FLAT – Full Range, amplifier filters will be turned off
• BANDPASS HPF + LPF – Allows adjustment on HPF and on LPF together ( Low Pass Filter ) from 50Hz to 6000Hz
Channels 3 and 4 have an additional adjustment
• BASS BOOST – Provides a ” gain attenuation ” +12dB at center frequency of 45Hz

Before Installing:

You must follow the instructions for the product’s installation to guarantee optimal performance. If you have any questions, get in touch with us. Before using the amplifier, always follow these guidelines:

• Make sure the amplifier is switched off before adding or removing any connections. This prevents possible damage to equipment.
• Keep all cables as far away as possible from the ignition cables, electronic injection modules and starter switch since they may cause noise interference;
• Always use 100% Copper wire and good quality connectors. This guarantees reliability and performance.
• To avoid damaging the cables, make sure that they do not touch sharp metal edges. Important: For this amp use a 60A fuse 12 inches away from the battery as a safety precaution

The power rating data is based on equipment from the PRV Audio Group laboratory. Rated power tested with 100Hz to 1KHz sinusoidal signal and THD <= 1%, with resistant load referring to the indicated measurements. The electronic components and the manufacturing process can present manufacturing variations, thus leading to a variation in the measurements made. This amplifier is designed to perform on music applications ( with speakers ), any load test ( resistant  load ) is not recommended.

PRV Audio products are guaranteed for a period of ONE (1) YEAR from the date of original purchase against any manufacturer’s defects in material and workmanship under normal use.

Technical Details


Channels 4
Max Output Power 900 Watts
Rated RMS Power at 12.6 V at 2 Ohms 4x 200 Watts 
Rated RMS Power at 12.6 V at 4 Ohms 4x 120 Watts 
Bridged RMS Power at 12.6 V at 4 Ohms 2x 400 Watts
Average Efficiency 88%
Rated RMS Power at 14.4 V at 2 Ohms   4x 225 Watts
Operating Voltage 10 to 16 Volts
Minimum Capacity of Battery 15 Ah
Recommended Capacity of Battery 40 Ah
Recommended Fuse 60 Ah
Minimum Power Wire 4 Gauge
Minimum Speaker Wire 12 Gauge
Frequency Response (±3dB) 15Hz to 25KHz
High Pass Filter  HPF 15Hz to 6kHz
Bandpass Filter (HPF+LPF) LPF 50Hz to 6kHz
CH3/4 Bass Boost Level at 45Hz 0 to +12dB
Protection System On Circuit Board
Heat Sink Type Cast Aluminum
Dimensions ( H x W x L ) 2.15″ x 9″ x 7.28″
Weight 4.72 Lbs
* Rated RMS Power – Average power output from 100 Hz to 1000 Hz at sinusoidal signal measured at THD <=1% with resistive loads
WARNING: Cancer and Reproductive Harm – our Return Policy.

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