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Subwoofers · Active speakers · Soundbars
Subwoofer and speaker repairs
Powered subwoofer dead or humming, an active speaker cutting out, or a crossover fault. Most of these are electronic, and we fix them on the bench.
Get a quote
Tell us the brand and fault and we’ll call you back during business hours.
30+ years
Repairing electronics for homes and the trade
Authorised
Listed agent for Yamaha, Epson, Marantz, Denon & Onkyo
Quote first
You approve the price before any work starts
6 days
Open Monday to Saturday in Minchinbury
Common faults
- Powered subwoofer won’t turn on or the auto-on no longer works. Plate amplifier and power supply faults.
- Loud hum or buzz. Failing filter capacitors or grounding faults.
- Cuts in and out. Overheating amplifier modules or dry joints.
- Active and PA speakers with no output, distortion or a dead channel.
- Soundbars that won’t power on or have lost input.
- Passive speakers with crossover faults.

- Plate amps
- Hum & buzz
- Active speakers
- Soundbars
Brands
We repair subwoofers and speakers from Yamaha, Velodyne, Paradigm, REL, SVS, Klipsch, JBL, Bose, KEF, Polk and others, plus powered PA speakers from Yamaha, JBL, Behringer, Peavey and more.
If it’s a powered sub, you can usually bring in just the subwoofer. We don’t need the rest of the system.
Brands
Speaker and subwoofer brands
Brand names and logos are trademarks of their owners, shown to identify the brands we repair.
How it works
From fault to fixed in four steps
No guesswork and no surprise bills. You know what’s wrong and what it costs before we start.
Tell us the fault
Call (02) 9675 5511 or send the quote form with the brand, model and what it’s doing.
Bring it in
Drop it at our Minchinbury workshop. For big TVs and heavy units, ask about in-home service.
Diagnose and quote
We find the fault on the bench and quote the repair. A minimum diagnostic fee applies and comes off your invoice if you go ahead.
Repair and collect
We repair it, test it under load and let you know it’s ready to collect.
FAQ
Frequently asked questions
Straight answers to what people ask us most. Anything else, call (02) 9675 5511.
Can you replace a blown speaker driver?
Where a genuine or suitable replacement driver is available, yes. Tell us the brand and model and we’ll check before you bring it in.
My subwoofer hums even with nothing playing. What’s wrong?
Usually failing capacitors in the plate amplifier or a grounding issue. It’s a common and very repairable fault.
Do you repair PA speakers for venues?
Yes. See mixers and pro audio.
Guides
Repair guides
Fault-finding tips from our bench.
Also on the bench
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Mixers & pro audio
Mixing desks, powered mixers and PA amps for venues, churches and schools.
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Book a repair
Tell us what’s wrong. We’ll quote it before we touch it.
Call during business hours or send the details online. Drop-off at our Minchinbury workshop, Monday to Saturday.














