I have a prius with the factory jbl system. will this work by tapping the rear door speakers?

The LCi requires a full-range signal to work properly so more than likely use the front door speakers as an input, remember you are piggybacking off the wires so the speakers you get the signal from will still be operational. Hope this helps!

Can I buy just the bass knob

It's been a while but the last time I was on you were able to purchase a base not by itself just put up on your search bass knob for whatever you're buying

are these just for stock radios or can one install this on a aftermarket stereo?

You can put it on any radio. There’s really not a reason to put one on an aftermarket radio. All your doing is putting in a rca hookup for the amp. Most if not all aftermarket HU’s come with rca hookups now. On a side note if you do need one, shop around. This is junk. And way to expensive. I’m about to just buy a amp with high level hookups and trash this LCi2 it’s junk

will this work on a 2016 audi with bose fiber optic system? Ive tried a different LOC and when its attached to the speaker wires the I lose signal.

Not that I'm aware. Best bet is to call Audi to verify

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AudioControl LC2i PRO 2-Channel Active Line Output Converter with AccuBASS for Adding Subwoofers, Amplifiers to Factory Car Audio Receiver Head Unit, Includes ACR-1 Dash Remote Bass Knob Controller

AudioControl LC2i PRO 2-Channel Active Line Output Converter with AccuBASS for Adding Subwoofers, Amplifiers to Factory Car Audio Receiver Head Unit, Includes ACR-1 Dash Remote Bass Knob Controller

Product ID: 224514701

Details

Brand
AudioControl
Interface Type
RCA
Maximum Supply Voltage
40 Volts
Mounting Type
Not Obtainable
Number of Pins
4

🔊400W per channel speaker-level input

🎚️Dual variable stereo gain controls

🎛️Selectable load & ground isolation switches

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Description

🎵 Upgrade your ride’s sound game—factory meets fierce bass!

NOISE FREE PERFORMANCE - Ground isolation switch eliminates annoying alternator whine and ground buzz for pure, clean sound.
PRECISION AUDIO CONTROL - Dual gain knobs plus LED clipping indicators let you fine-tune sound without guesswork or distortion.
SEAMLESS OEM INTEGRATION - Effortlessly converts factory speaker signals up to 400W/channel to premium pre-amp outputs for aftermarket amps & subs.
ACCU BASS BASS RESTORATION - Patented tech restores deep bass lost at high volumes on factory radios—feel every beat with crystal clarity.
DRIVERS SEAT BASS COMMAND - Includes ACR-1 remote bass knob with 20-foot cable for instant subwoofer level adjustments on the fly.

The LC2i PRO is a compact 2-channel active line output converter designed to upgrade factory car audio systems by converting high-power speaker signals (up to 400W per channel) into clean pre-amp outputs. Featuring patented AccuBASS technology, it restores bass frequencies lost at higher volumes, while dual gain controls and LED clipping indicators provide precise sound customization. The included ACR-1 dash remote allows real-time subwoofer level control from the driver’s seat. With selectable load and ground isolation switches, it integrates flawlessly with modern OEM systems, eliminating noise and ensuring seamless amplifier activation. Perfect for professionals and audiophiles seeking to add subs or amplifiers without replacing the factory head unit.

Specifications

ASIN	B08GH3B3PW
Best Sellers Rank	#117 in Car Audio & Video Accessories
Brand Name	AudioControl
Compatible Devices	Aftermarket car audio amplifiers, subwoofers, and processors
Customer Reviews	4.6 4.6 out of 5 stars (1,323)
Global Trade Identification Number	00851523007782
Included Components	LC2I-PRO
Interface	RCA
Item Dimensions L x W	6.9"L x 3"W
Item Weight	16 ounces
Manufacturer	AudioControl
Maximum Supply Voltage	40 Volts
Model	LC2i PRO
Mounting Type	Not Obtainable
Number of Channels	2
Number of Pins	4
Part Number	851523007782
Smart Home Compatibility	Not Smart Home Compatible
UPC	789993542215 851523007782 789993542253 789993542277
Unit Count	1.0 Count
Warranty Description	30-Day Warranty

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