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Rectangular black metal chassis with silver knobs and RCA ports on front panel

PRV Audio

PRV Audio EX4.6 PRO 4-way electronic crossover car amplifier

SKU CH-PQ6G-42JYH MPN EX4.6

Four-way electronic crossover with four inputs, six outputs, adjustable high-pass and low-pass filters, and subwoofer bass boost for custom car-audio tuning

  • TypeCrossovers
  • FeaturesInput and Output Processing
  • 4-way adjustable crossover lets you tailor each frequency band
  • 4 inputs and 6 outputs provide flexible system routing
  • 9V RMS maximum output delivers strong signal to amplifiers
  • >90dB signal-to-noise keeps background hiss low
  • Sub channel bass boost adjustable 25Hz-110Hz up to 12dB

4-way electronic crossover

The PRV Audio EX4.6 PRO is a four-way electronic crossover designed for car audio systems that need precise signal routing. It accepts four input channels and provides six output channels for multi-amplifier installations. Installers and enthusiasts who want adjustable frequency control for each band will find the flexible filter ranges useful. It is not suited for systems that only require a basic two-way split or fixed crossover points.

9 V RMS maximum output voltage

The single specification that determines compatibility is the maximum output voltage of 9 V RMS with a maximum input voltage of 4 V RMS. This level matches amplifiers that accept high-voltage pre-amp signals and provides strong signal integrity with a signal-to-noise ratio greater than 90 dB. Builders whose amplifiers require lower input sensitivity or who run factory head units with weaker outputs may need additional attenuation.

Handles four independent bands

Each output band offers adjustable high-pass or low-pass filters at 12 dB per octave: High from 400 Hz to 10 kHz, Mid-High from 150 Hz to 5 kHz, Mid-Low from 25 Hz to 3 kHz, and Sub low-pass from 50 Hz to 250 Hz with bass boost from 25 Hz to 110 Hz up to +12 dB at 45 Hz. The unit operates on 10 V to 16 V DC drawing 200 mA and covers a frequency response of 20 Hz to 200 kHz. It runs out of headroom when signal levels exceed the 4 V RMS input limit or when more than four processing bands are required.

Highlights

  • 4-way adjustable crossover lets you tailor each frequency band
  • 4 inputs and 6 outputs provide flexible system routing
  • 9V RMS maximum output delivers strong signal to amplifiers
  • >90dB signal-to-noise keeps background hiss low
  • Sub channel bass boost adjustable 25Hz-110Hz up to 12dB

Specifications

BrandPRV Audio
ModelEX4.6 PRO
Part NumberEX4.6PRO
TypeCrossovers
FeaturesInput and Output Processing

Questions about this item

How does the 9 V RMS maximum output voltage affect the signal sent to my amplifiers?

It provides a strong line-level signal up to 9 V RMS, allowing amplifiers to reach full power without needing excessive gain, which keeps the noise floor low.

What does the 12 dB per octave slope on each filter mean for frequency separation?

Each high-pass and low-pass filter rolls off at 12 dB per octave, giving a moderate transition between bands so adjacent drivers overlap smoothly without steep phase shifts.

What are the physical dimensions and supply-voltage range I need to plan for installation?

The chassis measures 1.30 by 9 by 6.30 inches and operates on 10 to 16 V DC, drawing about 200 mA, so it fits in most dashboard cavities and runs from the vehicle electrical system.

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