# HiFi audio isolator module, pin terminal

> HiFi audio isolator module with 3-pin terminal (ref. 9335, EAN 5944466565756). Reduces noise and hum caused by ground loops when connecting an audio source to an amplifier, player or active speakers, providing GND isolation for the HiFi signal. Compact 45 x 30 mm format, suitable for automotive, home audio and DIY projects.

- Page: https://sigmanortec.ro/en/hifi-audio-isolator-module-pin-terminal
- Price: 24.91 RON
- Availability: In stock; 1-2 zile
- Reference: 9335 · EAN: 5944466565756
- 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

Effectively reduces noise and hum caused by ground loops when connecting between audio source and amplifier, player or active speakers. Provides GND isolation for HiFi signal, keeps sound clean and stable, quickly mounts on 3-pin terminal, compact 45 x 30 mm format, ideal for automotive applications, home audio and DIY projects.
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: 3-pin terminal
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.