Hi-Lo converters and Line output converters allow you to add an aftermarket amplifier (or RCA outputs) to a factory radio.
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Price range: $5–$230
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Line-Out Converters

300W (150W Per Channel) Premium, Super Low Distortion 2-Channel Adjustable Line Output Converter
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2-Channel Premium Adjustable Line Output Converter • 3:1 Step Down With Adjustable Output • 300w Total Maximum Input (150w Per Channel) • Super Low Distortion
$19.99
Shipping: FREE
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  • 5.0
  (2 reviews)
80W 2-Channel Line Output Converter with Digital Noise Filter + Line Driver
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2-Channel Premium Adjustable Line Output Converter • Digital Noise Filter + Line Driver • 6:1 Step Down With Adjustable Output • DC Amplifier Turn On Trigger • 80w Maximum Input total (40w per channel)
$14.99
Shipping: FREE
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Premium 120W, 2-Channel Adjustable Line Out Converter with Auto Remote Amplifier Turn-on
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120W 2-Channel Line Out Converter • Standard Wiring Colors • 12 Volt Remote Amp Turn On • Independent Channel Level Adjustment • Wire Strain Relief • Optimization Circuitry • Compact Housing • Twisted Pair Construction
$24.99
Shipping: FREE
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  • 4.7
  (29 reviews)
Variable LOC (Line Out Converter)
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Adjustable Line Output Converter • Utilize Audio Transformer for Noise Isolation • Compatible with 2 - 40 watts RMS of Radio Output
$14.99
Shipping: FREE
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  • 4.0
  (8 reviews)
Two Channel Adjustable Line Output Converter
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2-Channel Speaker High->Low Level Converter • Accepts head units with 80 watts per channel • Transformer circuit for noise cancellation
$14.99
Shipping: FREE
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  • 3.9
  (14 reviews)
High to Low Compact Line Output Converter
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High to Low Compact Line Output Converter • Perfect for Adding an Amplifier to an OEM System • Gold-Plated Contacts • Compact & Lightweight Design
$4.99
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  • 4.5
  (2 reviews)
2-Channel Adjustable Line Level Converter
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2-Channel Adjustable Line Level Converter with EIA Color Coded Inputs • Adds Amplifier to OEM System • Converts Speaker Wire Inputs to RCA Outputs
$12.99
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  • 4.8
  (4 reviews)
600W (150W Per Channel Premium, Super Low Distortion 4-Channel Adjustable Line Output Converter
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4-Channel Premium Adjustable Line Output Converter • 3:1 Step Down With Adjustable Output • 600w Total Maximum Input (150w Per Channel) • Super Low Distortion
$29.99
Shipping: FREE
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  • 4.3
  (3 reviews)
Four Channel Adjustable Line Output Converter
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4-Channel Speaker Level Converter • Accepts 80 watts per channel • Can be used as a line-out converter • Can interface with JBL/Premium Sound/BOSE audio systems • Common ground adaptor
$19.99
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  • 4.3
  (20 reviews)
High to Low Line Output Converter w/ Gain Control (Standard Case)
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High to Low Compact Line Output Converter • Perfect for Adding an Amplifier to an OEM System • Gold-Plated Contacts • Compact & Lightweight Design • Adjustable Gain Control
$6.99
Shipping: FREE
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  • 5.0
  (2 reviews)
2-Channel Adjustable Differential Line-Out Converter with Amp Turn On
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2-Channel Differential Converter with Amp Turn On • Compact Outer Case • ABS Plastic and Aluminum Materials • Allows Install of Line Level Inputs to OEM System • EIA Color Coded Inputs • Adjustable Outputs
$12.99
Shipping: FREE
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  • 3.3
  (3 reviews)
2-Channel High Level To Low Level Converter With Input Sensitivity Adjustment
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2-Channel High Level Speaker Output From Your Car Stereo To The 2-Channel Low Level (RCA) Line Input Of Your Amplifier • Output Signal Is Adjustable For Each Channel &bull • Gold Plated RCA Connection For Better Signal Transfer •
$9.99
Shipping: FREE
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  • 4.0
  (3 reviews)
Factory Amp Interface Car Stereo Speaker Level Converter
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OEM Amplifier Interface • 80 watts x 4 chan. • Speaker level converter
$16.99
Shipping: FREE
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  • 5.0
  (4 reviews)
LOC 10:1 Reduction
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Converts 10 to 30 watts per channel with a fixed 10:1 conversion • Great for getting an additional set of pre-amps outputs from a head unit equipped with only one set
$9.95
Shipping: FREE
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  • 3.6
  (5 reviews)
2-Channel Fixed Line Level Converter
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2-Channel Fixed Line Level Converter • Designed for Adding Aftermarket Amplifiers to a Factory OEM System • Standard EIA Color Coded Wires • 30 Watts Maximum Input • Gold-Plated RCA Connectors
$7.99
Shipping: FREE
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  • 4.7
  (3 reviews)
High to Low 4-Channel Line Output Converter w/ Auto Remote Amp Turn On
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High to Low 4-Channel Compact Line Output Converter • Perfect for Adding an Amplifier to an OEM System • Gold-Plated Contacts • Durable Plastic Casing • Adjustable Gain Control
$16.99
Shipping: FREE
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  • 5.0
  (1 review)
System Interface (OEM1)
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OEM-1 makes it easy to upgrade a factory 'premium' system, such as a GM Delco/ BoseŽ or a Ford/ JBL. Whether replacing the factory radio or amplifier, the OEM-1 is your 'plug and play' solution.
$29.99
Shipping: FREE
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  • 4.5
  (2 reviews)
160W, 4-Channel Line Output Converter with Digital Noise Filter + Line Driver
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4-Channel Premium Adjustable Line Output Converter • Digital Noise Filter + Line Driver • 6:1 Step Down With Adjustable Output • DC Amplifier Turn On Trigger • 160w Maximum Input Total (40w Per Channel)
$19.99
Shipping: FREE
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  • 5.0
  (2 reviews)
High to Low Line Output Converter w/ Gain Control (Metal Chassis)
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High to Low Compact Line Output Converter • Perfect for Adding an Amplifier to an OEM System • Chrome-Plated Contacts • Durable Metal Chassis • Adjustable Gain Control
$9.99
Shipping: FREE
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  • 4.0
  (2 reviews)
Universal Line Output Convertor/Line Driver
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Universal Line Output Convertor/Line Driver • Simple Line Driver with a dB Gain of -17.5dB to +20 dB • Has a Max Rating of 6 Volt RMS Output • Adjustable Overall Gain with Onboard Potentiometer or Optional External Potentiometer • Able to Handle High Level Input
$49.99
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Items per page: 20 50 100
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