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  1. Home
  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Audio Installation & Accessories
  4. Discontinued Car Amplifier Installation & Accessories
  5. Discontinued Noise Filters

Discontinued Noise Filters

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Noise Filter Type
This designates the type of noise filter listed.

Ground Loop Isolators are connected in-line with the RCA interconnects or other audio cables.

Power Line noise filters connect to the power line of the receiver and help reduce noise from the source.

Pop Eliminator noise filters are designed to remove the "pop" that occasionally happens in some systems when the vehicle is turned on.

Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
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You are currently viewing discontinued products.

Scosche ES004

Single Stage Filter

ES004 big DISCONTINUED
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Scosche ES004

Single Stage Filter

Single Stage Sound Filter

Single Stage Sound Filter

Carwires MJ35NF

Premium Ground Loop Noise Isolator (3.5mm Input/Output)

MJ35NF big DISCONTINUED
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Carwires MJ35NF

Premium Ground Loop Noise Isolator (3.5mm Input/Output)

• Universal mini-jack audio ground loop noise isolator
• 3.5mm input/output stereo connection, Ideal for mobile devices
• Dimensions: 9 × 6 × 0.3"

• Universal mini-jack audio ground loop noise isolator
• 3.5mm input/output stereo connection, Ideal for mobile devices
• Dimensions: 9 × 6 × 0.3"

P.I.E. EIS-ILNO

Omni Directional RCA In-Line Noise Filter

EIS-ILNO big DISCONTINUED
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P.I.E. EIS-ILNO

Omni Directional RCA In-Line Noise Filter

Omni Directional RCA In-Line Noise Filter • Used to Filter Out Noisy RF Signals from RCA Audio Lines • Prevents RF Signals from Interfering with the Pure Sound of your Audio Device

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Omni Directional RCA In-Line Noise Filter • Used to Filter Out Noisy RF Signals from RCA Audio Lines • Prevents RF Signals from Interfering with the Pure Sound of your Audio Device

SoundGate TRIGRCA *Price Good Only While Supplies Last*

Turn-off Pop Eliminator

TRIGRCA big DISCONTINUED
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SoundGate TRIGRCA *Price Good Only While Supplies Last*

Turn-off Pop Eliminator

Installation into the RCA Signal path with help to eliminate turn-off pops from noisy source units

Installation into the RCA Signal path with help to eliminate turn-off pops from noisy source units

PAC CSS-5

5 Amp Noise Filter

CSS-5 big DISCONTINUED
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PAC CSS-5

5 Amp Noise Filter

Eliminates System Noise Generated in The Vehicles Power System • For 5 Amp Systems • Works With Most Vehicle Power Systems

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Eliminates System Noise Generated in The Vehicles Power System • For 5 Amp Systems • Works With Most Vehicle Power Systems

NVX XGLI35-OPEN BOX

Ground Loop Isolator for 3.5mm Headphone/Minijack Auxiliary Aux Connections

XGLI35 big DISCONTINUED
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NVX XGLI35-OPEN BOX

Ground Loop Isolator for 3.5mm Headphone/Minijack Auxiliary Aux Connections

• Conveniently Plugs Between Music Player And Receiver AUX
• Includes Male and Female 3.5mm Connections
• Creates 1.3dB Signal Gain for Improved Performance

• Conveniently Plugs Between Music Player And Receiver AUX
• Includes Male and Female 3.5mm Connections
• Creates 1.3dB Signal Gain for Improved Performance

SoundGate TRIGDLYA *Price Good Only While Supplies Last*

Adjustable Amplifier Turn on Delay

TRIGDLYA big DISCONTINUED
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SoundGate TRIGDLYA *Price Good Only While Supplies Last*

Adjustable Amplifier Turn on Delay

Device used for when a turn-on pop is coming from the source unit and is being caused by the timing function of the source unit's wakeup lead

Device used for when a turn-on pop is coming from the source unit and is being caused by the timing function of the source unit's wakeup lead

SoundGate FLTR10E

10 Amp Active Noise Filter

FLTR10E big DISCONTINUED
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SoundGate FLTR10E

10 Amp Active Noise Filter

10 amp peak capability • eliminates whining and whistling noise from radio • durable, polycarbonate enclosure tube

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10 amp peak capability • eliminates whining and whistling noise from radio • durable, polycarbonate enclosure tube

Xscorpion SC-NS30

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Xscorpion SC-NS30

Description Coming Soon!

Description Coming Soon!

SoundGate ISO2V2 *Price Good Only While Supplies Last*

2 Channel Component Isolator

ISO2V2 big DISCONTINUED
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SoundGate ISO2V2 *Price Good Only While Supplies Last*

2 Channel Component Isolator

2-Channel, RCA-Level device, which is designed to electrically isolate two different sound system components • Transformers are frequency and phase compensated to ensure maximum performance

2-Channel, RCA-Level device, which is designed to electrically isolate two different sound system components • Transformers are frequency and phase compensated to ensure maximum performance

SoundGate FLTR25E

25 Amp Active Noise Filter

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SoundGate FLTR25E

25 Amp Active Noise Filter

• 25 amp peak capability • eliminates whining and whistling noise from radio • durable, polycarbonate enclosure tube

• 25 amp peak capability • eliminates whining and whistling noise from radio • durable, polycarbonate enclosure tube

Qpower NF2

15 Amp High Quality Noise Filter

NF2 big DISCONTINUED
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Qpower NF2

15 Amp High Quality Noise Filter

• Noise Filter
• 15 Amp
• High Quality Noise Suppression

• Noise Filter
• 15 Amp
• High Quality Noise Suppression

Monster Cable MPC ISM 201XLN Open Box

(Open Box) Monster Silencer In-Line Noise Reduction Module

MPC-ISM-201XLN big DISCONTINUED
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Monster Cable MPC ISM 201XLN Open Box

(Open Box) 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

SoundGate FLTR25TE

25 Amp Active Noise Filter with Toroid Choke

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SoundGate FLTR25TE

25 Amp Active Noise Filter with Toroid Choke

25 amp peak capability • Toroid Choke fore ultimate filtering capability • eliminates whining and whistling noise from radio • durable, polycarbonate enclosure tube

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25 amp peak capability • Toroid Choke fore ultimate filtering capability • eliminates whining and whistling noise from radio • durable, polycarbonate enclosure tube

(2) Boss B25N RCA Ground Loop Isolators

2-Channel Ground Loop Isolator Filter Package

B25N 2 Pack big DISCONTINUED
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(2) Boss B25N RCA Ground Loop Isolators

2-Channel Ground Loop Isolator Filter Package

• 2-Channel Ground Loop Isolator Filter
• Blocks Ground Loops Within An Audio System
• Connection Type: RCA
• Reduces Background Noise Without Impairing Sound Quality

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• 2-Channel Ground Loop Isolator Filter
• Blocks Ground Loops Within An Audio System
• Connection Type: RCA
• Reduces Background Noise Without Impairing Sound Quality

Axxess AGL610

Ground Loop Isolator/Noise Filter

AGL610 big DISCONTINUED
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Axxess AGL610

Ground Loop Isolator/Noise Filter

2-Channel Digital Ground Loop Isolator • 24k Gold Plated Connectors • Detachable RCA Harness • Installation at Headunit or Amplifier

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2-Channel Digital Ground Loop Isolator • 24k Gold Plated Connectors • Detachable RCA Harness • Installation at Headunit or Amplifier

PAC AB-FLTR

8 Pin DIN Ground Loop Isolator

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PAC AB-FLTR

8 Pin DIN Ground Loop Isolator

8 Pin DIN Ground Loop Isolator

8 Pin DIN Ground Loop Isolator

Axxess AX-AGL610

Digital RCA Ground Loop Isolator

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Axxess AX-AGL610

Digital RCA Ground Loop Isolator

• 2-Channel RCA Ground Loop Isolator
• Eliminates Engine Noise
• Reversible Input and Output Installation

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• 2-Channel RCA Ground Loop Isolator
• Eliminates Engine Noise
• Reversible Input and Output Installation

NVX XGLIRCA (Like New (Open Box))

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

XGLIRCA big DISCONTINUED
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NVX XGLIRCA (Like New (Open Box))

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

• Eliminates Engine Noise By Isolating Ground Loops
• Use With Any Audio Device That Has RCA Connectors

• Eliminates Engine Noise By Isolating Ground Loops
• Use With Any Audio Device That Has RCA Connectors

NVX XGLIRCA (Open Box, Great)

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

XGLIRCA big DISCONTINUED
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NVX XGLIRCA (Open Box, Great)

Ground Loop Isolator for RCA/Interconnect Auxiliary Aux Connections

• Eliminates Engine Noise By Isolating Ground Loops
• Use With Any Audio Device That Has RCA Connectors

• Eliminates Engine Noise By Isolating Ground Loops
• Use With Any Audio Device That Has RCA Connectors

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    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.
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