Install Bay IBNF50 Noise Filter 50 AMP Each

After read many reviews for noise filters, I took a risk on this one. I wanted a 20 amp filter for my android head unit installed in my 2002 Honda CR-V with aftermarket alternator. (NAPA Brand). I had a background high frequency buzz that was RPM based and it was very annoying. The IBNF50 arrived overnight and I popped the metal back off to inspect the solder joints. Minimal build quality, but functional. Double sided tape provides anti-grounding protection to the metal box. I desoldered the provided wires (that were very thick and could handle 50 amps) and directly soldered it into the wire harness on the back of the Android radio. I used the yellow power for Vin and Vout and spliced directly into the harness ground rather than the car body. I reassembled the box, taped it up on the wire harness so it wouldn't create any wire stress and fed it all back into the dash. 100% cessation of alternator noise. Very happy with this solution. Given that the head unit has a 20 amp fuse it will never pull enough amps to saturate the noise filter windings. I will buy this again for other filter needs.

Installed an aftermarket deck and Alpine 4 ch amplifier for the speakers in my 1985 Toyota pickup. Loud alternator whine from the speakers that I couldn’t seem to fix through multiple ground attempts. Installed this between the battery and the amp and the whine is gone! Very happy. It actually mounted right on the inner fender wall with existing holes.

I have an old MSD ignition with a new Aurora Radio that had very loud feed back from my ignition system. After installing this noise filter in line with the power to the radio (Radio not installed), the noise from the ignition was removed, or so I thought. After installing the radio (big job) mounting the noise filter on the fire wall up out of sight and going for a ride, there is noise from the ignition! Fortunately the noise is reduced about 80 %. Before the noise filter, the ignition noise was louder than the music. After installing this noise filter the music is louder than the ignition noise. However the ignition noise is still there when I bring up the RPMs.

Got rid of my noise in my stereo from my starlink but one of the wires broke off inside so I had to re solder it.

solid made

In my experience, it made absolutely no difference. Noise still present. It didn't even reduce it by a bit. It's fully there. I saw lots of positive reviews so I had faith on it, not anymore after trying myself

Opened to see circuit and quality. Believe it will work fine for AM broadcast and HF frequencies. It uses conventional Pi (C-L-C) design. I won't use it in my truck or car, since the case is 0 020" (0.5mm) steel and will soon rust. Base mounting plate is BARE (unpainted)! Furthermore the gap between base plate and case isn't sealed. Needs, at a minimum, caulk to keep water out. Buy if you don't mind painting and sealing it .

Works, all ok

Excellent! It removed the hazy noise ony car

Didn’t work at all

The unit works as expected. Has nice connectors. I shaved the sides down so I could bolt them straight to my amplifiers. Good guage of wire provided. Well insulated. Flexible, braided wire. I'd certainly purchase them again! I had a loud alternator noise and my electronic aftermarket fans were quite noisy - I purchased two of them and they took all the noise out of the amps.

all good, works and easy install.

Finally no noise on the amplifier