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4-Channel High-to-Low Level Line Out Converter
• 4-Channel Line Out Converter
• Designed to integrate with aftermarket or factory OEM systems
• Speaker level inputs
• 2-channel preamp output
Install New Speakers in select 1990-2021 vehicles from Chevrolet, GMC, Buick
$9.99
List price $14.99
Crux DKGM-49 Stereo Replacement Interface
Stereo Replacement Interface with Steering Wheel Control Retention and Double DIN Dash Kit for select 2006-2020 vehicles from GMC, Chevrolet, Buick
$129.60
List price $201.60
6" to 6.75" Speaker Mounting Adapter for select 2003-2024 vehicles from Chevrolet, GMC, Cadillac
$16.99
List price $33.99
Connect Factory Antenna to New Aftermarket Radio in select 2002-2020 vehicles from Ford, Chevrolet, GMC
$3.99
List price $14.99
American International GMSB356
6.5" to 6.75" Speaker Mounting Adapters for select 1997-2020 vehicles from Chevrolet, GMC, Pontiac
$9.99
List price $24.00
Install a new Double-DIN car stereo in select 2006-2017 vehicles from Chevrolet, GMC, Buick (Matte Black)
$162.00
List price $252.00
Install a new Single-DIN car stereo in select 2006-2025 vehicles from GMC, Chevrolet, Buick (Matte Black)
$17.99
List price $31.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
• 4-Channel Line Out Converter
• Designed to integrate with aftermarket or factory OEM systems
• Speaker level inputs
• 2-channel preamp output
The RF-HLC4 is a 4-channel high-level to low-level signal converter designed for factory or aftermarket radios that do not have dedicated low-level RCA outputs. The adapter converts high-level signal from the radio's speaker line and transforms it into a safer low-level audio signal. This allows you to add a 4-channel amplifier to your system for higher power output and better sound quality.
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$339.99
List price $420.00
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)
$469.99
List price $620.00
150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
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Manufacturer:
Model Number:
RF-HLC4
Weight:
0.50lbs
Internal SKU:
rfhlc4
Internal Product ID:
67777
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Very good but...
Very good quality product has Fosgate what accredits more however has no remote output.
56 found this helpful
great
Works wonderfully no distortion just hook it up to one of your existing speaker wires
53 found this helpful
Love it!
Great quality! Does its job well. Rockford Fosgate is all I will buy!
Verified purchase
37 found this helpful
Great product and well worth the price, worked great on the Harley radio
compact and easy to fit within the fairing, with the help of load resistors it really tamed the Harley radio, pros: compact and easy to use, Cons didn't find any.
Verified purchase
30 found this helpful
RF did it again
installed in my 04 saab 93 to add some subs and worked as advertised with no annoying hiss and could keep factory options...sonic electronix is the place to go!
Verified purchase
28 found this helpful
Nice 4 Channel
I always recommend people to run the RF_HLC (unless they want the LC7i for a higher pricetag) but a customer wanted to still be able to fade and balance to control the bass. So went with this 4 channel version. It works, cleaner looking than running two HLC
25 found this helpful
Good
Does what it needs to do, easy setup with not having to against the gain because it does it by itself. Clean sound, definitely a go to when hooking amps up to factory unit
25 found this helpful
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
