Top 8 Output Converter for Bass Only – Car Amplifier Wiring Kits

As an Amazon Associate I earn from qualifying purchases.

1. Scosche


2-Channel Signal Sensing Speaker Wire to RCA Adapter with Remote Control Knob, Black, Scosche LOC2SL Line Output Converter Adjustable Amplifier Add On Module for Car Stereo

Scosche #ad - This remote bass knob lets you control the level of sound with convenience. Speaker to rca converter - converts car stereo output speaker wire to RCA connectors. Rca converter - speaker level to line level converter allows the addition of 2-channel or mono amplifiers.

External controller - includes mountable remote control knob for adjusting subwoofer bass audio level from the dash. Easy installation - add an amplifier to nearly any stock stereo with this line out converter. This speaker wire line out converter is compatible with high power car stereos up to 90 watts per channel. The rca line output converter for subwoofer makes it easy to hook up to an amplifier and set up a subwoofer system in any car. Buy with confidence - backed by Scosche’s Lifetime Tech Support and Limited Lifetime Warranty.

No need to remove the car stereo. Includes signal sensing 12V remote turn-on output. Delivering premium performance without noise, static, or buzzing. Independent left and right channel level adjustments provide the perfect sound balance. Subwoofer - this diy speaker kit is a convenient speaker wire to subwoofer adapter. Simply tap into the car audio speaker wire with snap adapters.
BrandScosche #ad
ManufacturerScosche #ad
Height13.25 Inches
Length2.13 Inches
Weight0.4 Pounds
Width6.63 Inches
Part NumberLOC2SL
WarrantyLifetime Limited Warranty

2. Scosche


SCOSCHE SLC4 Car Stereo Speaker 4-Channel Audio Lineout Converter/OEM Amplifier Adapter with Adjustable Level Controls

Scosche #ad - Easy to install: Provides amplifier remote turn on output without removing car stereo. Additional channel: allows the addition of 2 or 4-channel amplifiers to factory or aftermarket stereos. Add subwoofers: works with high power car stereos up to 80 watts per channel to add subwoofer bass systems to any car stereo. Output conversion: line out converter for car stereo speaker wire outputs to RCA Cable outputs. Buy with confidence: backed by Scosche’s Lifetime Tech Support and Limited Lifetime Warranty.
BrandScosche #ad
ManufacturerSCOSCHE #ad
Height11.38 Inches
Length1.25 Inches
Weight0.4 Pounds
Width4.38 Inches
Part NumberSLC4



KICKER 46KISLOC K-Series 2-Channel Speaker Wire-to-RCA Line Output Converter

KICKER #ad - The kisloc is the next level of line-out converters. This sonically neutral converter delivers outstanding sound quality in an incredibly small footprint. Compatible with oem radios that have short circuit protection these units take as much as 55 watts of input and deliver up to 8 volts of output.
BrandKICKER #ad
ManufacturerKicker #ad
Height0.5 Inches
Length4.5 Inches
Weight0.1 Pounds
Width2 Inches
Part NumberKISLOC

4. DB Link


DB Link HLC3 High/Low Converter

DB Link #ad - Small Convenient Size. 2-channel input-output. Ground Loop Isolation. Hi-low converter with Gold Plated RCA Contacts. Adjustable Input Level Control. Adjustable level Outputs and Gold Plated RCA Connectors. Adjustable Output Level Control.
BrandDB Link #ad
ManufacturerDB Research L.L.P. #ad
Height1.5 Inches
Length8.63 Inches
Weight0.25 Pounds
Width1.5 Inches
Part NumberHLC3
WarrantyONE YEAR



Black 1-Pack, Upgrade 6.35mm Jack Stereo Socket Male to 3.5mm Jack Stereo Plug Female for Headphone, NANYI 1/4'' Male to 1/8'' Female Stereo Headphone Adapter Connect Cable, Amp Adapte

NANYI #ad - No cracking, humming or cutting out. Good helper: helps you connect all 1/4 inch 6. 35mm female socket devices to a 1/8" 3. 5mm male plug extension cable or adapter For example, connect the piano to the headphones with a 1/8 Inch3.

5mm extension cable. New upgraded version: they are sturdy and perfectly fit, Solved the problem that you need to change frequently when using the old adapter. For very little money there is a dramatic improvement in fidelity. New design: cables snap in/on nice and snug. It is cool: it has a strong body that is made entirely, and a black coat, has a solid structure, perfect for carrying around. Customer service: A hassle-free 18-month warranty and friend customer service.
BrandNANYI #ad
ManufacturerNANYI #ad
Part Number5bkny299

6. PAC


PAC SNI-15 Speaker Level to Preamp Adapter

PAC #ad - Linear for 20 - 20, 000Hz. Works with Most Factory Installed Radios. Adjustable from 2 watts to 30 Watts per Channel with Fixed 10:1 Conversion. Transformer isolation Between Inputs and Outputs Keep Signal in Phase. To add an amplifier to a Factory Radio.
BrandPAC #ad
ManufacturerPAC #ad
Height1 Inches
Length6 Inches
Weight0.15 Pounds
Width6 Inches
Part NumberSNI15
Warranty1 Year Limited

7. Rockford


Rockford RFHLC High Level Speaker Signal to Low Level RCA Adapter

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



1/8 Inch Plug Male to 1/4 Inch Jack Female Stereo Adapter, MOBOREST 3.5mm M to 6.35mm F Stereo Pure Copper Adapter, amp adapte, Can be Used Conversion Headphone adapte, Black Fashion 2-Pack

MOBOREST #ad - Moborest can help you to put a 6. 35mm 1/4 inch plug to a 3. 5mm 1/8 inch jack stereo adapter. 3. Moborest is a new design that can better match your device. Moborest is made of pure copper and its service life is much longer than plastic and gold plating. Moborest pure copper connectors resist corrosion and ensure minimal signal loss. 2. 5. 4. Moborest carefree 18 months warranty and friend customer service. 1.
ManufacturerMOBOREST #ad