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Small black cylindrical audio connector with male RCA plugs on each end

PYLE AUDIO

PYLE AUDIO PLGI38RI Ground Loop Isolator Wire Cap Connector

SKU CH-PKT5-0MYZG

Ground loop isolator with male connectors reduces audio noise in car stereos

  • Suitable forMale
  • Eliminates ground-loop hum for clean audio
  • Direct iPod-to-RCA connection simplifies setup
  • Male-gender plugs fit standard stereo jacks
  • Compact wire-cap design installs in tight spaces
  • New condition ensures reliable performance out of the box

Pyle PLGI38RI Ground Loop Isolator

The Pyle PLGI38RI is a ground loop isolator designed to eliminate unwanted noise in car audio systems. It connects directly between a source device and an amplifier using RCA connections. This wire cap connector helps deliver a cleaner audio signal by breaking ground loops that cause hum or buzz. It is a new component intended for automotive electrical installations.

Installers fixing RCA noise issues

This isolator suits anyone hearing alternator whine or system hum caused by ground potential differences between components. It installs in-line on existing RCA cables without requiring power or signal processing. Buyers needing to solve noise on speaker-level wires or digital optical connections should look at a different solution. It also does not function as a line driver or voltage booster for weak signals.

Male RCA gender connector

The connector features a male RCA gender for direct insertion into female ports on amplifiers or head units. This specific gender determines which side of the cable chain the isolator occupies. Verify that your installation point accepts a male plug before purchasing. The product was first listed by the manufacturer in 2025.

How it compares

Measured against everything we stock in Wire Connectors & Cable Ties, at today’s prices. Recalculated every night.

Price $17.99
Pricier than about 60% of the 1,040 comparable items (median $13.99).

Specifications

Product
Brand namePyle
More details
Suitable forMale

Questions about this item

How long can the PLGI38RI run continuously before overheating?

The ground-loop isolator has no active electronics and produces no heat, so it runs indefinitely without thermal limits.

Does the PLGI38RI make any noise or draw power during all-day use?

It is a passive device with no power supply, so it draws zero current and adds no audible noise.

What cables must I already have to connect the PLGI38RI?

You need a stereo source cable with the appropriate plug for your player and a pair of RCA cables for the amplifier or head unit.

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