How would i wire this when i have 4 channel RCAs and this only has 2 rca input?

It has 2inputs...and 4 out. That's how

How can I run OUT1 in stereo? Input as A + B?

On the DSP 2.4X, you can only choose A or B or A+B(mono) on each output (which will effect both RCA outputs on that button). For example; Output 1 A Output 2 B. But the A+B does not make one of the RCA left and the other right. That will make both a mono signal. You can not control each RCA individually with the 2.4X. In the case where you need that much control, look into the DSP 2.8X.

Can you tune 1 channel for subwoofer amp alone?

Yes u can have 1 ch for subs or 2 ch for subs

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PRV AUDIO Car Audio DSP 2.4X Digital Crossover and Equalizer 4 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay

Product ID: 403590580

Details

Item dimensions L x W x H
7.87 x 3.97 x
Manufacturer
PRV AUDIO
Maximum Supply Voltage
16 Volts (DC)
Minimum Supply Voltage
9 Volts (DC)
Mounting Type
Vehicle Mount

📺16x2 LCD real-time display

🔀4-channel digital crossover outputs

🎚️15-band graphic equalizer + 12 presets

€ 135.40

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Description

🎵 Elevate your drive—command your car’s sound like a pro!

PRESET POWERHOUSE - Jumpstart your sound with 12 expertly crafted presets from Rock to Hip Hop, ensuring your vibe is always on point.
PRECISION AUDIO CONTROL - Fine-tune your car sound with a 15-band equalizer and parametric crossover for crystal-clear clarity.
SEAMLESS SOURCE SWITCHING - Choose between 2 inputs (A, B, or both) for each channel, customizing your audio flow effortlessly.
SMART SEQUENCER INTEGRATION - Trigger other devices remotely with the built-in sequencer relay for a fully synchronized sound system.
INTUITIVE REAL TIME INTERFACE - Navigate settings easily via a bright 16x2 LCD display and user-friendly controls—no guesswork needed.

The PRV AUDIO DSP 2.4X is a compact, full digital 4-channel car audio processor featuring a 16x2 LCD interface, 15-band graphic equalizer with 12 presets, and a parametric digital crossover. It supports dual audio inputs with flexible source selection per channel and includes a sequencer relay for remote device triggering, delivering professional-grade sound customization for the modern car audio enthusiast.

Specifications

ASIN	B09Q99PL14
Best Sellers Rank	#6,004 in Electronics ( See Top 100 in Electronics ) #4 in Car Amplifier Equalizers
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (631)
Date First Available	January 12, 2022
Item Weight	1 pounds
Item model number	DSP 2.4X
Manufacturer	PRV AUDIO
Other display features	Wireless
Product Dimensions	7.87 x 3.97 x 1.45 inches
Whats in the box	PRV AUDIO Car Audio DSP 2.4X Digital Crossover and Equalizer

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