Is your iMac speaker not functioning properly with crackling noise?

We encountered a problem with 27-inch iMac A1419 released in 2017. The sound had become mushy and crackling. The user had to rely on his headphones and earbuds to receive work calls and media. One day he had enough and brought it to us to repair as he just wanted the sound back to normal.

We carefully opened the iMac using professional display removal tools, inspected the internal speakers, connectors, and audio circuitry, and identified the faulty speaker unit. After replacing it with a high-quality compatible speaker, cleaning the internal connectors, and testing audio
balance, we sealed the display back with fresh factory-grade adhesive.

Result?
Clear, balanced sound with no distortion, no popping, no workarounds.

We offer:
1) Full iMac audio diagnostics
2) Left / right speaker replacement
3) Internal connector cleaning
4) Logic board audio testing
5) Final sound quality verification
Mac Tech Service — restoring your iMac’s sound the right way.

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