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Absolute PNF300

Adjustable Ground Loop Isolator

Discontinued
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This item has been discontinued

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  • Adjustable Ground loop Isolator
  • Signal noise elimination
  • Cylindrical metal case with heat shrink tube
  • Power Input:
    • RMS: 30W
    • Max: 50W
  • Frequency Response: 20-30,000 Hz
  • Dimensions: 2-1/2"L x 1"W x 1"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Noise Filter Specifications

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.

Ground Loop Isolator
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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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
50%
4 Star
25%
3 Star
0%
2 Star
25%
1 Star
0%

Average Attribution Rating

Durability
3.5
Value
4.8
Features
4.3
Design
5.0
Usability
4.0
Sneaky Snake

los angeles, ca

Overall
Durability
Value
Features
Design
Usability
im not sure if it does anything

January 10, 2012

This item is supposed to reduce signal noise on your rca cables as it is a ground loop isolator. Only thing is that it not only eliminates the noise but takes the music with it. There a little adjustment screws on the top for a left and a right, when adjusted you can choose how much signal you want to go through. Seems like noise and music or nothing, not really an in between. Also it was put together very cheaply and one imput shakes loose when moved so this has to be used for home use only and drilled in place. I had probelms with signal noise in my car stereo every time i accelerated the noise went with the engine. Tried various ground loop isolators (none do the job) and was able to reduce the noise by redoing my ground with a 0 gage cable and properly soldering and bolting to the chasis. Also use Dayton rca cables, they are a little pricy but cheaper than monster by far and the best quality rca's ive seen really heavy duty fat cables. Don't get ripped off with monster brand, buy the daytons. The Rca's made a huge difference and no more signal noise (now i dont even use a ground loop isolater and if your system is wired properly you shouldn't need one either)

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M Rahman

West Palm Beach, Florida

Overall
Durability
Value
Features
Design
Usability
Price worthy good product

June 20, 2011

The product absolute served my purpose.

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geo

Lincoln, NE

Overall
Durability
Value
Features
Design
Usability
Great Price & Nice Package

December 16, 2010

I have three Absolute PNF300 units. Two solved ground loop problems and the trim pots took care of a level problem. Audio sounded fine through them. Finally had time to see what the audio analyzer would show. Looks fine. Will order more.

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JC

flroida

Overall
Durability
Value
Features
Design
Usability
Works AWESOME

November 7, 2011

I would recommend this to everyone. I used this in my home system for two subs and it worked perfectly. It took out the noise and the sound quality was not affected. This is a must when you run long rca's.

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Product Summary

Manufacturer

Model Number

PNF300

UPC

097835321790

Weight

0.50lbs

Internal SKU

pnf300

Internal Product ID

20249

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Absolute PNF300