Top 10 Inline Converter for Subwoofer – Car Amplifier Wiring Kits

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1. KICKER

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Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output

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KICKER #ad - Delivers up to an 8-volt output signal. Flat 20hz-20khz frequency range at all volume levels. Led indicator for DC offset turn-on.
BrandKICKER #ad
ManufacturerKicker #ad
Height2 Inches
Length6 Inches
Width5 Inches
Part Number46KISLOC2
Model46KISLOC2

2. Kicker

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Kicker KISLOC 2-Channel K-Series Speaker Cable to RCA Adapter with Line Out Converter

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Kicker #ad - World's first micro surface mount line-out converter. Split pin rca with silver tinned OFC wire. K-grip dual-mold connectors offer sure grip. K-series Interconnect Cable. Two channel Speaker to RCA.
BrandKicker #ad
ManufacturerKicker #ad
Height0.5 Inches
Length4.5 Inches
Weight0.1 Pounds
Width2 Inches
Part NumberKISLOC
ModelKISLOC

3. Scosche

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SCOSCHE LOC90 Car Stereo Speaker 2-Channel Audio Adjustable Level Lineout Converter

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Scosche #ad - Add subwoofers: works with high power car stereos up to 80 watts per channel to add subwoofer bass systems to any car stereo. Easy to install: Provides amplifier remote turn on output without removing car stereo. Buy with confidence: backed by Scosche’s Lifetime Tech Support and Limited Lifetime Warranty. Output conversion: Converts car audio speaker wire outputs to RCA Cable outputs. Additional channel: Allows the addition of 2-channel or mono amplifiers to factory or aftermarket stereos.
BrandScosche #ad
ManufacturerSCOSCHE #ad
Height5 Inches
Length2.25 Inches
Weight0.42 Pounds
Width5 Inches
Part NumberLOC90
ModelLOC90
WarrantyBacked by Scosche’s Lifetime Tech Support and Limited Lifetime Warranty.

4. AudioControl

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AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control

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AudioControl #ad - Fixed and variable Outputs with Discrete Level Controls. Two channels of Active Speaker Level Inputs. Accubass processing for Correction of Bass Roll-Off. Accept 400 watt Signals per Channel. Gto signal sensing - input for Optional Remote Level Control - Compact Design.
BrandAudioControl #ad
ManufacturerAudioControl #ad
Height6.5 Inches
Length1.5 Inches
Width3.25 Inches
Part NumberLC2I
ModelLC2I

5. Custom Install Parts

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Custom Install Parts Factory Radio Amp Subwoofer Interface Wire Harness + Inline Converter Kit Compatible with Chevrolet

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Custom Install Parts #ad - One complete piece, no need to tape wires together. Used to add an amp or sub to your factory system. See description for fitment. Comes with an inline converter. Fully adjustable gain control.
BrandCustom Install Parts #ad
ManufacturerCustom Install Parts #ad

6. PAC

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PAC SNI-35 Variable LOC Line Out Converter

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PAC #ad - Adjustable Line Output Converter. Utilize audio Transformer for Noise Isolation. Phase Adjusted. 5 db linearity from 20 - 20, 000 Hz. Use the sni-35 when adding an amplifier to a factory radio to convert the radio's speaker level output to the lower amplifier RCA level input.
BrandPAC #ad
ManufacturerPAC #ad
Height4 Inches
Length9 Inches
Weight0.2 Pounds
Width1.5 Inches
Part NumberSNI35
ModelSNI35
Warranty1 year

7. Rockford

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Rockford RFHLC High Level Speaker Signal to Low Level RCA Adapter

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Rockford #ad - Package weight: 1. 0 lbs. Speaker level to RCA. High to Low Adapter. Rockford fosgate rf-hlc high level speaker signal to low level RCA Adapter.
BrandRockford #ad
ManufacturerRockford Fosgate #ad
Height0 Inches
Length0 Inches
Width0 Inches
Part NumberRFHLC
ModelRFHLC

8. Freajoin

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Freajoin 2-Channel High Low Level Converter Speaker Cable to RCA Adapter with Line Out Converter

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Freajoin #ad - Isolation x'FMR Coupled Circuit. 2 channel speaker to rcA, Max Output 50W per Channel. Freq resp: 20-35KHz. Dimension: 100l *57w *34L MM. Line-level Output.
BrandFreajoin #ad
ManufacturerFreajoin #ad
Weight0.23 Pounds
Part NumberFNS-18

9. Welugnal

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Car Stereo Audio Speak Delay Signal Hi-Low Converter for Auto Amp Subwoofer Amplifier CD Player High to Low Adapter

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Welugnal #ad - Blue wire connect to Control line REM. Although some amp has hi-low convert function, we strongly recommend to have such an external converter to avoid the interference of the conversion inside the amp.

Reliable service:ready to respond within a 24 hour time frame. Gray/black wire connect to the Right channel negative. Amplifier modify accessory:this adapter is suitable for car stereos without RCA output to connect with the after-market amplifier. 30-day money back guarantee, 12 month replacement and lifetime Support. Product dimensions: 8. 2 x 5. 3 x 2. 3 cm/3-3/8 x 2 x 7/8 inch. Black wire connect to Ground.

Easy to install: white wire connect to the left channel positive. Especially useful for CD radio stereo without Line Out port. Car audio signal hi-low converter:It converters car stereo's high audio signal to low RCA signal. Gray/white wire connect to the Right channel positive. Red wire connect to the 12V battery positive. Black/white wire connect to the Left channel negative.
BrandWelugnal #ad
ManufacturerWelugnal #ad
Part NumberAP0043

10. EKYLIN

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Car Stereo Audio Speak Signal Hi-Low Converter for Auto Amp Subwoofer Amplifier CD Player High to Low Adapter

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EKYLIN #ad - Amplifier modify accessory this adapter is suitable for car stereos without RCA output to connect with the after-market amplifier. 30-day money back guarantee, 12 month replacement and lifetime Support. Especially useful for CD radio stereo without Line Out port.

Product dimensions compact sized: 6. 4 x 4. 3 x2. 5 cm/2. 52 x 1. 7 x 098 inch. Reliable serviceready to respond within a 24 hour time frame. How to connecteasy to install: green wire connect to the left channel negative. Although some amp has hi-low convert function, we strongly recommend to have such an external converter to avoid the interference of the conversion inside the amp.

The shell made by metal, reliable and strong. Purple wire connect to the Right channel positive. Gray wire connect to the Right channel negative. Car audio signal hi-low converter it converters car stereo's high audio signalR+, R-, L+, L-, Ground to low RCA signalleft & right channel. Black wire connect to Ground. Yellow wire connect to the Left channel positive.
BrandEKYLIN #ad
ManufacturerEKYLIN #ad
Height0.98 Inches
Length2.52 Inches
Width1.69 Inches
Part NumberFLT-338
ModelFLT-338