Best 12v Ground Loop Isolator

Stinger SGP32 200 AMP Battery Relay Isolator and Relay

Great for isolating a second batter making it dedicated to the stereo system.
Does not create a voltage drop to the second battery like conventional isolators.
80 Amps at 12V Continuous Power Handling.

No more Hum/Buzz/Noise, No More Rolling Line.With this unit,you can eliminate audio hum/buzz/noise and horizontal scrolling bars caused by ground loops..
Product shows superior RF performance operating at a frequency range of 5 - 1,000 MHz. Maximum insertion loss is 1.5 dB. at 1 GHz..
Perfect design with a metallic housing that provides excellent RFI shielding of 003e 85 dB. The Housing is environmentally sealed against moisture and humidity..
Each end of the isolator is a nickle-plated 75 OHM machined female F connector.
Note: If your cable by pass the DC current, it will not work. Normally the signal from the antenna or coax cable belongs to low voltage AC current and our Isolator will work with it..

ELIMINATE NOISE -- H-density, lo-level wound torroid choke will eliminate ground loop noise between the audio source or audio amplifier. Keep a clear listening environment for you..
FUNCTION – It can reduce the noise in the audio system and reduce eliminates engine interference..
WIRES FEATURE -- Red wire for input, blue wire for output and black wire is ground wire..
EASY TO INSTALL -- Just splice the red wire to the line of 12V input, splice the blue one to the positive line, splice the black one to the ground wire..
SUITABLE ELECTRONICS – It is suitable for car audio, radio, amplifier stereo receivers, equalizers, and other mobile electronics..

NOW ON AMAZON - EASY TO INSTALL: Designed for dual battery systems or second battery bank in your van, truck, RV, UTV, off-road vehicles, marine boats, etc..
VSR – VOLTAGE SENSITIVE RELAY: Automatic 140 Amp Dual Battery Isolator enables you to charge two battery systems from one alternator at the same time. A Voltage Sensitive Relay (VSR) cuts in at 13.3 volts and cuts out at 12.8 volts..
VANLIFE? Now you can safely add additional batteries to help support your accessories such as power inverters, MPPT charge controllers, solar panels, refrigerators, audio, lights, pumps, winches, etc..
IP65 Protected: IP65 enclosure offers complete protection from dust, oil, and other non-corrosive material. Waterproof protection up to water projected by a nozzle against enclosure from any direction..
3 YEAR WARRANTY: Every Spartan Power 12V 140 Amp Dual Battery Isolator is backed by a 3 year warranty. Have a question? We are an American company located in Reno, Nevada. Our expert technicians will be glad to answer any question that you may have!.

ELIMINATING BUZZING NOISE : It can eliminate the engine noise of stereos and amps, the alternator noise, the noise of ground loop and the car engine noise. Keep a clear listening environment for you..
FULL FREQUENCY RESPONSE: car stereo to produces powerful resonance and while filterinh the electrical interference coming from the speaker.
EASY INSTALLATION: Attach the red wire to 12v on the fuse box or battery then attach the blue wire to the power cord of the radio where the electricity is going. Lastly, ground the black wire to the vehicle’s frame or any available ground wire.
SMALL SIZE：The body size is 1.67 * 1.81 * 0.79 inches. It is suitable to install behind your car accessory socket. Save lots of space for the panel and keep the electronics wires tidy..
SUITABLEELECTRONICS: It is suitable for car audio, radio, amplifier stereo receivers, equalizers, and other mobile electronics..

Spec: Unit Type: BATTERY ISOLATOR, Brief: NEGATIVE GROUND2-BATTERY SYSTEM2 BATTERY STUDS1 ALTERNATOR STUDNO EXCITATION STUD90A MAX OUTPUT.
Replaces OEM Numbers: ARROWHEAD: 626-01001, J & N: 626-01001, NORTHWEST REG.: MBG90.
1-year warranty protects you after your purchase. We’re confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we’ll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement..
100% New aftermarket Battery Isolator built to meet OEM specifications.

Great for Car Audio, Marine, CB Radio and other 12V Applications.
Eliminates engine noise/alternator whine.
In-line design provides effortless installation without removing existing wiring.
(2-Pack) Universal 10 Amp Inline Power Noise Suppressor Filter Eliminator Isolator.