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Use noise filters and ground loop isolators to eliminate noise interference in your car audio set-up for cleaner sound. Wide range of noise filter types available – Buy now!
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Discontinued Noise Filters

15 Amp High Quality Noise Filter

• Noise Filter
• 15 Amp
• High Quality Noise Suppression

DISCONTINUED

Amplifier & Stereo On Pop Eliminator

• Amplifier & Stereo On Pop Eliminator
• Delays the Amplifiers Turn-On Lead 1 Second
• Eliminates Unwanted Pops from the Amplifier when Turning On
• Durable Plastic Casing

DISCONTINUED

3.5mm Ground Loop Isolator/Noise Filter

• 3.5mm Ground Loop Isolator with Auxiliary Connection
• Noise Eliminator
• Works with Any Device with 3.5mm Connector

DISCONTINUED

Ground Loop Isolator, Noise Filter/Killer/Suppressor

Ground Loop Isolator • Cylinder shape easily mounts without screws • 24K hard gold plated connectors • Mounts between the head unit and the amplifier • Paired audio cable with two male and female RCA terminations •

DISCONTINUED

Ground Loop Isolator

Ground Loop Isolator • RCA Isolator

DISCONTINUED

200 Amp Ground Loop Isolator Noise Filter

• 200 Amp Ground Loop Isolator Noise Filter
• Chrome-Plated RCA Connections
• Retains Sound Quality
• Reduces Unwanted Noise
• Two Channel RCA Connection
• Durable Metal Chassis Case

DISCONTINUED

DC Power On Pop Eliminator

• DC Power On Pop Eliminator
• Delays the Amplifiers Turn-On Lead 1 Second
• Eliminates Unwanted Pops from the Amplifier when Turning On
• Durable Plastic Casing

DISCONTINUED

12 Amp Automative Noise Suppressor

12 Amp Automotive Noise Suppressor • Eliminates Noise Generated By The Alternator And Charging System Of The Vehicle • Highest Quality Components And Passive Circuitry • Color Coded Wires For Easy Installation

DISCONTINUED

Ground Loop Isolator

• Ground Loop Isolator
• Reduces Unwanted Noise
• Retains Sound Quality
• Audio Transformer Technology
• Female RCA Inputs
• Male RCA Outputs

DISCONTINUED

L.O.C.PRO Series 2-Channel Ground Loop Isolator/Line Output Converter with 3.5mm Input

• Ground Loop Isolator
• 2-Channel
• Eliminates Unwanted Alternator Whine or Ignition Ticking
• Works with RCA, 3.5mm or Combination of Both
• Ultra Compact Size
• In-Line Connection

DISCONTINUED

Ground Loop Isolator, Noise Filter/Killer/Suppressor

High Quality 15 Amp Ground Loop Isolator • Retains Sound Quality • Signal Noise Elimination • Female RCA Inputs • Male RCA Outputs

DISCONTINUED

Ground Loop Isolator (PNF-100)

Ground loop isolator • Signal noise elimination • Cylindrical metal case with heat shrink tube • 30 Watt Input • 60 Watt Max Input • Frequency Response: 20-30,000 Hz

DISCONTINUED

RCA Ground Loop Isolator/Noise Filter

Ground loop isolator • Signal noise elimination • Cylindrical metal case with heat shrink tube • 30 Watt Input • 50 Watt Max Input • Frequency Response: 20-30,000 Hz

DISCONTINUED

30 Amp Ground Loop Isolator Noise Filter

• 30 Amp Ground Loop Isolator Noise Filter
• Gold-Plated RCA Connections
• Retains Sound Quality
• Reduces Unwanted Noise
• Two Channel RCA Connection
• Durable Barrel Case

DISCONTINUED

12 AMP In-Line Power Lead Noise Filter with Heavy-Gauge Wire Leads

12 AMP In-Line Power Lead Noise Filter • Eliminates Noise Generated by the Alternator and Charging System of the Vehicle • Heavy Gauge Wire Leads • Heavy-Duty Potted Enclosures • Quick and Easy to Install

DISCONTINUED

60 Amp Ground Loop Isolator Noise Filter

• 200 Amp Ground Loop Isolator Noise Filter
• Gold-Plated RCA Connections
• Retains Sound Quality
• Reduces Unwanted Noise
• Two Channel RCA Connection
• Durable Barrel Type Case

DISCONTINUED

20 AMP In-Line Power Lead Noise Filter with Heavy-Gauge Wire Leads

20 AMP In-Line Power Lead Noise Filter • Eliminates Noise Generated by the Alternator and Charging System of the Vehicle • Heavy Gauge Wire Leads • Heavy-Duty Potted Enclosures • Quick and Easy to Install

DISCONTINUED

Adjustable Ground Loop Isolator

Adjustable Ground loop isolator • Signal noise elimination • Cylindrical metal case with heat shrink tube • 30 Watt Input • 50 Watt Max Input • Frequency Response: 20-30,000 Hz

DISCONTINUED

Digital Noise Filter / Ground Loop Isolator (ANR-1000)

Digital Noise Filter / Ground Loop Isolator • Isolates ground loops caused by multiple accessories grounding points thereby eliminating noise • Actively cleans noise generated from the positive voltage line

DISCONTINUED

RCA Ground Loop Isolator

RCA Ground Loop Isolator • Eliminates alternator whine and ignition spikes • Designed with audio transformer technology • Great for video systems

DISCONTINUED

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Related Categories

Discontinued Sound Dampening & Deadening
Installing sound dampening or damping materials, also referred to as sound deadener or deadening material, in various areas of your vehicle is one of the best ways to enhance your car's audio system while adding the proper insulation. Vibration absorbing materials from popular brands such as Dynamat, Hushmat, NVX, Cache and Stinger allow you to significantly decrease road noise and vibrations, soundproofing your car for maximum audio quality.

Noise Filters Information

Some car stereos have a loose connection or a detrimental interaction somewhere that you cannot manage to identify and eliminate. Whether it is noise interference, engine whine, or some other annoying sound, we understand that an enjoyable driving experience is not possible when your music is interrupted or corrupted. Our selection of noise filters will help you to eliminate that annoyance from frustrating car stereos to clear up your stereo’s sound.

We have ground loop isolators to cut out the whine that can occur in a number of connections. Put one in between your 3.5mm auxiliary jack and your portable MP3 player to eliminate the noise, or choose from our professional grade ground loop isolators designed to retain signal quality without cross-channel interference while eliminating noise from pre-amp outputs and into amp inputs. We even have adjustable isolators and those that feature gold components, for more sensitive car audio systems.

We also offer noise filters and in-line noise reduction components to pair with your aftermarket amps, which target engine whine and other high-frequency noise. These will not clarify the signal, but rather filter out the unwanted frequency. As with the isolators, your budget is the only limit on materials quality. We do our best to make every dollar go farther towards getting the components with the highest quality materials so that your solution will not degrade sound or signal quality.

No matter your budget, expertise level, or goals, you will find the right piece of hardware to eliminate car stereo noise in our selection. You can target problem areas inside your stereo’s connections to improve the quality of the signal, identify the general source of the problem and filter out the non-signal interference to enjoy better sound quality, and add isolators outside of the head unit. Whether or not you choose to install these components yourself, you can be sure that with the right information and proper installation, they will successfully improve your car audio experience.