Will 9 volts hurt an amplifier with rca inputs rated at 4 volts? do you just lower the gain on the amps? the amps are alpine 50 watts x 4 channels.

This will not hurt the amplifier. The output voltage is not a full time constant 9v.

does this come with as bass knob

No, but you can adjust the signal level going into your subs from this crossover.

este producto es chino?

Es chino pero la verdad es de muy buena calidad es muy buena marca reconocida en latino america

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PRV Audio Crossover Car Audio EX4.6 PRO 4 Way or 3 Way Electronic Crossover 9 Volts, 4 in 6 Out RCA Channels Car Sound Processor - EX4.6PRO

PRV Audio Crossover Car Audio EX4.6 PRO 4 Way or 3 Way Electronic Crossover 9 Volts, 4 in 6 Out RCA Channels Car Sound Processor - EX4.6PRO

Product ID: 164069011

Details

Audio Output Type
RCA
Brand
PRV AUDIO
Color
Black
Connectivity Technology
RCA
Connector Type
RCA
Controller Type
Mechanical

⚡9V RMS max output power

🔊4 RCA outputs for precise channel control

🎚️Bass boost adjustable up to +12dB at 45Hz

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€ 108.06

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Description

🎵 Elevate your car audio game — because your ride deserves pro-level sound!

POWERFUL 9 V RMS OUTPUT - Delivers clean, distortion-free audio power that keeps your ride sounding premium.
CUSTOMIZABLE BASS BOOST - Dial in up to +12dB bass enhancement at 45Hz to feel every beat with authority.
QUICK ON OFF CHANNEL SWITCHING - Instantly mute or activate individual channels with dedicated toggle buttons for ultimate control.
PRECISION 4 WAY CHANNEL CONTROL - Tailor your soundstage with 4 RCA outputs for woofer, midrange, tweeter, and subwoofer channels.
BUTTERWORTH 12 D B OCTAVE SLOPE FILTERS - Fine-tune crossover frequencies with professional-grade filters for crystal-clear separation.

The PRV AUDIO EX4.6 PRO is a versatile 4-way electronic crossover designed for car audio enthusiasts seeking precise frequency management. Featuring 2/3/4 RCA input options, a robust 9V RMS output, adjustable bass boost up to +12dB at 45Hz, and Butterworth 12dB/octave crossover slopes, it enables seamless tuning of woofers, midranges, tweeters, and subwoofers. Quick on/off buttons and mechanical knobs provide intuitive control, making it a must-have for audiophiles aiming for clean, powerful, and customized in-car sound.

Specifications

ASIN	B07YCV88VY
Audio Output Type	RCA
Best Sellers Rank	#36,324 in Electronics ( See Top 100 in Electronics ) #41 in Car Amplifier Equalizers
Brand	PRV AUDIO
Built-In Media	PRV AUDIO EX4.6 PRO Crossover Car Audio
Color	Black
Connectivity Technology	RCA
Connector Type	RCA
Controller Type	Mechanical knob
Customer Reviews	4.6 4.6 out of 5 stars (374)
Item Type Name	Car Audio
Item Weight	1.61 Pounds
Manufacturer	PRV AUDIO
Mfr Part Number	EX4.6PRO
Model Number	EX4.6PRO
Number of Channels	4
Other Special Features of the Product	Bass Boost
Output Wattage	9 Watts
Smart Home Compatibility	Not Smart Home Compatible
UPC	602938022620
Unit Count	1.0 Count

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