# HiFi audio isolator module, 3.5mm jack

> HiFi audio isolator module (ref. 9334, EAN 5946803060498) with AUX 3.5mm jacks at input and output, eliminates hum and noise caused by common ground between audio source and amplifier, speakers or car audio. Effectively isolates GND to reduce distortion, compact 45 x 30mm format, suitable for PC, TV, DAC or car audio systems.

- Page: https://sigmanortec.ro/en/hifi-audio-isolator-module-35mm-jack
- Price: 25.03 RON
- Availability: In stock; 1-2 zile
- Reference: 9334 · EAN: 5946803060498
- Category: Mechatronics and IoT > Sensors and Modules > Audio and Sound
- Package (shipping data): 0.021 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 05:21 (Europe/Bucharest)

## Description

Eliminates hum and noise caused by common ground between the audio source and amplifier, speakers or car, for cleaner HiFi playback. It connects quickly via 3.5 mm AUX jacks on input and output, effectively isolates GND to reduce distortion, has a compact 45 x 30 mm format and is ideal for PC, TV, DAC or car audio systems.
This is a common GND isolation module (audio filter), effective in isolating noise occurring when connecting between the audio source and the receiving device.
Specifications:
Dimensions mm: 45 x 30mm
Input/Output: AUX 3.5mm
Method for detecting the cause of distorted sound common ground:
If there is noise in the audio playback, connect a pair of headphones to the AUX input. If there is no noise in the headphones, the common ground in the speakers is caused.