Garage
Shop

Discontinued Noise Filters

Loading...
Filters

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

Xscorpion PE200X

DC Power On Pop Eliminator

Go to item page Right Arrow Icon of Right Arrow

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

• 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

Absolute PNF200

RCA Ground Loop Isolator/Noise Filter

Go to item page Right Arrow Icon of Right Arrow

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

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

Stinger SGN20

Ground Loop Isolator

Go to item page Right Arrow Icon of Right Arrow

Ground Loop Isolator

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

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

NVX XGLIRCA Open Box Complete

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

Go to item page Right Arrow Icon of Right Arrow

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

NVX XGLIRCA Open Box Complete

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

Go to item page Right Arrow Icon of Right Arrow

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

Xscorpion NS30

30 Amp Ground Loop Isolator Noise Filter

Go to item page Right Arrow Icon of Right Arrow

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

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

NVX XGLIRCA Open Box Complete

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

Go to item page Right Arrow Icon of Right Arrow

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

Xscorpion NS200

200 Amp Ground Loop Isolator Noise Filter

Go to item page Right Arrow Icon of Right Arrow

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

• 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

Absolute PNF300

Adjustable Ground Loop Isolator

Go to item page Right Arrow Icon of Right Arrow

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

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

Axxess AGL3.5

3.5mm Ground Loop Isolator/Noise Filter

Go to item page Right Arrow Icon of Right Arrow

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

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

Axxess AX-ANR1000

Digital In-Line Electronic Noise Suppression Filter

Go to item page Right Arrow Icon of Right Arrow

Digital In-Line Electronic Noise Suppression Filter

• Digital In-line Power Noise
• Designed to suppress noise generated by audio sources
• New smaller easy to mount outer case
• Handles up to 35 watts

• Digital In-line Power Noise
• Designed to suppress noise generated by audio sources
• New smaller easy to mount outer case
• Handles up to 35 watts

P.I.E. NF-5

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

Go to item page Right Arrow Icon of Right Arrow

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

5 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 Enclosure • Quick and Easy Installation

5 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 Enclosure • Quick and Easy Installation

Absolute PNF100

Ground Loop Isolator (PNF-100)

Go to item page Right Arrow Icon of Right Arrow

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

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

Monster Cable MPC ISM 201XLN

Monster Silencer In-Line Noise Reduction Module

Go to item page Right Arrow Icon of Right Arrow

Monster Silencer In-Line Noise Reduction Module

Monster Silencer In-Line Noise Reduction Module • Advanced Audiophile Parts • In-line Design • DoubleHelix Technology • 24k Gold Contact RCA Connectors • XLN Xtra Low Noise Technology • 6-Cut Turbine Connectors

Monster Silencer In-Line Noise Reduction Module • Advanced Audiophile Parts • In-line Design • DoubleHelix Technology • 24k Gold Contact RCA Connectors • XLN Xtra Low Noise Technology • 6-Cut Turbine Connectors

Xscorpion PE100X

Amplifier & Stereo On Pop Eliminator

Go to item page Right Arrow Icon of Right Arrow

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

• 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

P.I.E. NF-40

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

Go to item page Right Arrow Icon of Right Arrow

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

40 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

40 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

PAC CSS-300

Deluxe 30 Amp Noise Filter

Go to item page Right Arrow Icon of Right Arrow

Deluxe 30 Amp Noise Filter

Eliminates System Noise Generated in The Vehicles Power System • For 30 Amp Systems • Works With Most Vehicle Power Systems

Eliminates System Noise Generated in The Vehicles Power System • For 30 Amp Systems • Works With Most Vehicle Power Systems

Scosche ES014

Antenna Noise Filter

Go to item page Right Arrow Icon of Right Arrow

Antenna Noise Filter

Antenna Noise Filter

Antenna Noise Filter

Xscorpion SC-NS60

60 Amp Ground Loop Isolator Noise Filter

Go to item page Right Arrow Icon of Right Arrow

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

• 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

NVX XGLIRCA Open Box Complete (Very Good, Used)

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

Go to item page Right Arrow Icon of Right Arrow

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

• Item Condition: Open Box
• Eliminates Engine Noise By Isolating Ground Loops
• Use With Any Audio Device That Has RCA Connectors

• Item Condition: Open Box
• Eliminates Engine Noise By Isolating Ground Loops
• Use With Any Audio Device That Has RCA Connectors

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in Discontinued Noise Filters


    Car Audio Noise Filter Frequently Asked Questions (FAQ)
    A car audio noise filter, also known as a ground loop isolator or audio noise suppressor, is a device designed to eliminate unwanted electrical noise or interference from the audio signal in your car's audio system. This interference often manifests as a whining, buzzing, or hissing sound that occurs when you're playing music or using your car's audio system. The noise is commonly caused by ground loops, which are voltage differences between various components in the audio system. A noise filter works by breaking the ground loop and isolating the audio signal from unwanted electrical noise, resulting in cleaner and clearer sound.
    If you hear unwanted noise, such as engine whine or alternator whine, coming from your car's speakers, it's a clear sign that you may need a car audio noise filter. This noise is often most noticeable when the engine is running, and the volume is low or silent. Additionally, the noise may increase or decrease with engine RPMs. If you've already ensured that your audio equipment is installed correctly and the noise persists, a noise filter is likely the solution. It's essential to diagnose the noise issue correctly to confirm that a noise filter is the appropriate remedy.
    Installing a car audio noise filter is typically a straightforward process and can be a DIY-friendly task. Most noise filters come with RCA connections or 3.5mm audio jacks, making them compatible with various audio setups. To install the noise filter, identify the source of the noise (e.g., head unit or amplifier), and connect the filter between the problematic component and the speakers or amplifier. This placement will effectively isolate the audio signal from the noise source. Follow the manufacturer's instructions for wiring and mounting the noise filter, and ensure all connections are secure. If you're unsure about the installation process or lack experience with car audio systems, consider seeking assistance from a professional car audio installer.
    When properly installed, a car audio noise filter should not negatively impact the sound quality of your car audio system. On the contrary, it should improve the sound quality by eliminating unwanted noise and interference. The primary purpose of a noise filter is to ensure a clean and clear audio signal by removing electrical noise that can degrade sound performance. However, using low-quality or incorrectly sized noise filters may lead to a compromise in sound quality. Therefore, it's essential to select a high-quality noise filter that matches the specifications of your car audio system. Additionally, ensure that the filter is installed correctly, as improper installation can introduce additional noise or signal degradation.
    While a car audio noise filter is highly effective in eliminating ground loop noise and electrical interference, it may not resolve all audio-related noise issues. Other factors, such as poor grounding, damaged cables, or faulty components, can also contribute to unwanted noise in a car audio system. Before installing a noise filter, it's essential to perform a comprehensive diagnosis of the audio system to identify the specific noise source accurately. In some cases, using high-quality shielded audio cables, ensuring proper grounding, and addressing other potential sources of noise may be necessary in conjunction with a noise filter to achieve the best results. If you encounter persistent noise issues even after installing a noise filter, it's advisable to consult an experienced car audio professional for further inspection and troubleshooting.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2016 Ford Explorer

    1977 Chevrolet C30 Pickup

    1992 GMC C3500

    1980 BMW 528i

    2018 Mazda 3

    2002 Ford Explorer

    2016 GMC Canyon

    2023 Audi Q5

    2005 Dodge Neon

    1985 Buick Skyhawk

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.