High Low Level Converter Car Audios of 2025
Best Choice1
Audio Control17% OffAudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
9.3 audio quality8.7 Durability8.0 Easy installationWhy we love it
Convenient remote level control for precise audio adjustments.
Compact design, perfect for limited installation spaces.
Maintains factory head unit, preserving car features.
9.8Exceptional
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Value for Money2
SOUND Q QUBEDSoundQubed Active 5-Channel Car Audio Line Out Convertor - High to Low Head Unit Signal Convertor
Main highlights- WORKS WITH NEW INTEGRATED CONTROL SURFACES: No matter how fancy your new vehicle's integrated touch screen controls are, you can convert the speaker level signal to an amp-friendly car audio RCA signal.
- SWITCHABLE BETWEEN 2 CHANNEL AND 5 CHANNEL: Control front and rear door speakers separately as well as a subwoofer stage with its own channel.
- LED CLIPPING INDICATORS PER CHANNEL: Each channel has its own LED clipping indicator. You can be sure you're sending a clean signal to your precious car audio gear.
- DIAL DOWN YOUR STEREO VOLTAGE: Send a clean signal from your infotainment system or factory or replacement stereo head unit to your car audio amplifier.
9.7Exceptional
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3
DS18DS18 V2HL.V2 Hi/Lo Converter 2-Channel with Speaker Emulator - High-Level Speaker Signal to Low-Level - Smart line Output 2CH High-Level Input and 2CH RCA Output
9.9 Easy installation8.7 audio quality8.0 Bass soundWhy we love it
Seamless integration with factory head unit.
Instant signal activation with advanced sensing technology.
Durable and reliable build with FR4 Double Sides PCB.
9.4Excellent
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4
CrynodCrynod 2 PCS Car High Frequency to Low Frequency Output Converter, Speaker Output to RCA Line Control Audio Signal Adapter, CD Player High and Low Modified Audio Wiring, Universal Car (Transparent)
Main highlights- Reliable Performance: This car audio converter adopts a dual-channel independent high-to-low design and uses noise-reducing filter capacitors, with stable performance and high precision. Separating the subwoofer amplifier input from the amplifier speaker output helps adjust the amplifier's power output, eliminates current noise, and enhances bass.
- Product Appearance: This output converter adopts a transparent shell design, exquisite workmanship, insulated and moisture-proof, and not easy to break. If you have any question on use, kindly contact us at any time directly, we will solve the problem for you within 24 hours on weekdays.
- Function: This high-frequency to low-frequency output converter is used for hosts without low-frequency (RCA) output (cassette players, card machines, CD/VCD/DVD, etc.) to convert the speaker output high-frequency to low-frequency output. It used to connect car high-power amplifier or subwoofer signal input.
- Easy to Use: This converter is compact and mini for easy plug-and-play installation. When connecting the line, the green wire is connected to the negative terminal of the left channel. The yellow wire connects to the left channel positive. The gray wire connects to the negative terminal of the right channel. The purple wire connects to the positive terminal of the right channel. The black wire is grounded.
- Application: This adapter is suitable for machines whose original car player does not have audio output. It is used to install a power amplifier and subwoofer, and convert the high-frequency speaker signal output by the CD into the low-frequency audio signal of the power amplifier or subwoofer.
9.3Excellent
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5
NuIthNuIth Car Audio Speaker Wire to RCA Line Output Converter, 2-Channel High to Low RCA Converter for Adding Amplifier Subwoofer to Stock Stereo
Main highlights- Reasonable and neat power plug, it has the prefect bonding and contact stability; Provide clean and excellent sound
- Easy to install: Use this adapter when adding an amplifier to a factory radio that convert the radio's speaker level output to the lower amplifier RCA level input; Tap into a speaker wire and it senses the signal, and turns on a relay to send power to the amp
- Convert car stereo speaker wire output to RCA Cable outputs: In order to improve the sound quality, the function of RCA output can convert high to low; The high voltage signal output of the amplifier/speaker converts to low-voltage signal
- Convenient to use: There is the level gain adjustment to adjust the bass down without having to pull over and manually adjust the amplifier
- Car audio speaker level converter wiring adapter allows to add 2 channel or mono amplifier or subwoofer to existing factory or aftermarket car stereo kit
9.2Excellent
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6
DuokonJL Audio High Low Converter, Duokon Car Stereo Subwoofer 4 Channel High to Low Audio Converter with Power Amplifier Control Wire Plastic Black
Main highlights- Wide range of applications ----- Suitable for connecting the CD, radio, DVD, host, amplifier, of the original car. replacement for high to low converter car audio
- Simply Installation ----- The Stereo Converter has simple installation steps, just use after correct wiring, it can perfectly replace the old or broken one. replacement for high to low level converter
- Professional manufacturing ----- The Car o Converter has professional manufacturing, high precision and superior performance, High quality Car 4 Channel High to Low o Converter. replacement for jl audio high low converter
- Premium material ----- The o Converter is made of high quality Plastic material which does not crack easily, resistance, rustproof, long life service, reducing your replacement costs. replacement for 4 channel line out converter
- Functions ----- Used to convert high audio signal of the speaker to low frequency, giving you Superior user experience.
8.9Very Good
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7
BOSS Audio SystemsBOSS Audio Systems B65N High Level to RCA Converter Noise Filter for Car Audio Systems
Main highlights- Tips - Make sure that the amplifiers have a good ground first. Use at least 10 Gauge wires for the grounds (and power). If you have 2 or more amplifiers, DO NOT go from the ground terminal of one amp to the other and then from there to ground.
- Tips - Ground each amplifier independently. Same thing if you have added stiffening capacitors, go to a separate ground for the cap.
- Reduces High Pitched Whine Alternator Noise caused by the car's electrical system
- High Level to RCA Impedance Converter
- Featuring Input Sensitivity Adjustment
- Dimensions - 3.4 x 1.5 x 1.5, Unit Weight: .25 Lbs.
- Always Use High Quality RCA Cables for your Audio System
- 1 Year Warranty
8.8Very Good
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8
AMONIDACar Stereo Audio High Low Converter, 12V 4 Channel Audio Impedance Converter High to Low Line Car Stereo Radio Speaker Frequency Filter (Black)
Main highlights- 【Widely Applicable】High to low audio converter used for hosts without low frequency () output, such as cassette player/card player/CD/VCD/DVD, etc. Please choose to buy according to actual needs.
- 【Superior Performance】4-channel audio high and low audio converter, fast heat dissipation, anti-interference, strong shielding, can isolate some noise, high fidelity. You can buy and use with confidence.
- 【Professional Design】Car stereo audio high low converter, convert the loudspeaker output high frequency to low frequency () output, connect the car power amplifier or subwoofer output.
- 【Good Practicality】Vehicle amplifier converter delay switch line output, reduce the impact of the power amplifier or subwoofer, thereby eliminating the current interference of the power amplifier speaker when the host is turned on.
- 【Features】This high to low for audio converter used standard connector, equipped with 15CM dedicated line, to avoid current noise interference caused by disorderly wiring.
8.5Good
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9
Generic4 Channel Line Out Converter Hi to Low Level RCA Output PS4800 Car Audio Parts
Main highlights- 4 CHANNEL HI/LO AUDIO LEVEL - Converts speaker level audio to line level (RCA) output - Adjustable output level to allow input to suit various amplifiers - Also eliminates signal noise - Maximum input from speaker level: 100 Watts Colour Codes: White/Black = LR- White = LR+ Green/Black = RR- Green = RR+ Grey/Black = RF- Grey = RF+ Purple/Black = LF- Purple = LF+ High quality!!
8.4Good
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10
Massive AudioMassive Audio Hi-Low - Car Audio High Level Speaker Signal to Low Level RCA Converter, High to Low Level Signal
Main highlights- Takes any speaker level stereo signal from any source (head-unit) and converts it to a perfect dual 4.5 Volt line level low distortion RCA output
- Plug & Play Installation, Compact Housing for easy install, Ground Noise Isolation
- Hi-Low Converter, Works for all Massive Audio Amplifiers (and most other brands)
- Dual L/R Balanced 4.5 Outputs, Ideal for adding a subwoofer to your vehicle without giving up factory features
- Balanced Left/Right Matched Inputs, Music Signal Sensing Turn ON, Remote 12 Volt External Turn On
8.2Good
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