Square Electronics specializes in professional chip-level repair of powered, active, and wireless subwoofers. We diagnose and repair amplifier boards, SMPS power supplies, bass amplifier circuits, wireless pairing faults, audio distortion, and power issues for leading audio brands.
Is your subwoofer experiencing power, audio distortion, or connectivity issues?
Subwoofer shows no standby light, has blown fuses, or won't turn ON due to power supply failure.
Status LED turns ON green/blue, but unit yields zero low-frequency sound output.
Crackling sound, bass cutoff at higher volumes, or sudden loud popping noises during heavy bass.
Wireless subwoofer fails to link, stays blinking red, or frequently disconnects from main soundbar.
Continuous 50Hz/60Hz hum or loud buzzing sound coming from driver even when no audio is playing.
Subwoofer fails to wake up automatically when audio starts, or shuts off unexpectedly mid-movie.
Harsh metallic scraping, vibration, or flapping sound caused by damaged voice coils or torn foam surround.
Broken, loose, or oxidized RCA input jack causing loose contact, static, or signal dropouts.
Out-of-warranty chip-level repair for major audio brands.
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Get answers to common queries regarding subwoofer repair.
No. Square Electronics is an independent multi-brand out-of-warranty service center. We do not claim to represent any brand or OEM.
A constant hum is often caused by failed DC smoothing capacitors in the power supply section or an offset voltage on the amplifier IC board.
Yes. We troubleshoot and repair RF receiver circuit boards, Bluetooth modules, and antenna components on wireless subwoofers.
Yes. Please call us in advance to book an appointment before bringing your equipment to our Virugambakkam facility.
Address:
Square Electronics, No. 3, Vinayagam Street, Venkatesh Nagar, Virugambakkam, Chennai - 600092, Tamil Nadu, India.