Innov8 Wholesale Ltd

3.5mm Female to Female Ground Loop Isolator – Noise Filter & Hum Eliminator for Car Audio and Hi-Fi Stereo Systems

3.5mm Female to Female Ground Loop Isolator – Noise Filter & Hum Eliminator for - Main image
$11.85 $17.95 In stock

Category: Audio Converters

This 3.5mm female to female ground loop isolator is designed to eliminate unwanted hum, buzzing, and interference caused by ground loops in car audio and home Hi-Fi systems. It delivers clean, stable sound by isolating the audio signal path, making it ideal for use between smartphones, AUX cables, head units, speakers, and amplifiers that use standard 3.5mm audio connections.

Ground loop noise commonly occurs when audio devices are powered from different electrical sources, often resulting in low-frequency hum or static noise. This compact noise filter effectively breaks the ground loop without affecting signal quality, ensuring clear and consistent audio performance with no distortion or loss of volume.

Housed in a durable aluminium shell, the isolator provides excellent shielding against electromagnetic and radio-frequency interference. Its robust construction ensures long-term reliability, while the compact inline design keeps installations neat and unobtrusive in both vehicle dashboards and home audio setups.

With a true plug-and-play design, no external power or configuration is required. Simply connect the isolator between two 3.5mm audio cables to instantly reduce noise and improve sound clarity. This makes it an effective and affordable solution for improving audio quality in car stereos, home entertainment systems, and portable audio setups.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.2 / 5 · 5 reviews)

Amelia ★★★★★

Plugged this between my phone and car aux, and the engine whine that's been driving me nuts for months finally stopped. The metal housing feels solid, and it didn't add any extra static to the sound either.

Ruby E. ★★★★★

Finally got rid of that annoying car radio hum I'd been chasing for months, the female-to-female passthrough made it super easy to inline with my existing aux cable. Clean, stable audio now with zero buzz, even at higher volumes.

Lily ★★★★★

Plugged this into my home stereo’s aux loop and the constant buzzing from my phone charger disappeared completely. The metal casing feels solid and it didn’t add any extra noise to the signal.