How the fault appears
- hum remains with the audio cable disconnected
- buzz changes when touched or volume is turned
- noise affects only one input or channel
Model-specific repair · all Serbia
Wired speakers hum, buzz or hiss: speaker diagnostics and repair in Serbia
We test the source and cables, grounding, power supply, filters, controls and active-speaker amplifier. We accept speakers in Belgrade or by courier from anywhere in Serbia.
90 days on labor, 6 months on parts5.0 · 2 Google
What to do before service
Bring every satellite, cable, power supply and wired controller in the system.
What we test
- operation without source and with another cable
- adapter, grounding and supply ripple
- capacitors, controls and input stage
Possible repair work
- power-supply and filter repair
- control cleaning or replacement
- input-stage or shielding repair
Speaker models and types affected by this fault
Guide labour prices
The exact price depends on model, root cause, opening complexity and part availability. Work starts after diagnostics and approval.
Speaker diagnosticsFree
Power or connector repairfrom 2,500 RSD
Battery replacementfrom 3,000 RSD
Driver, microphone, buttons or controlsfrom 3,000 RSD
Amplifier, power or board repairfrom 4,000 RSD
Liquid and corrosion treatmentfrom 3,500 RSD
All speaker faults
Speaker will not turn on→Speaker is not charging→Speaker battery drains quickly→Speaker works only when plugged in→Speaker overheats or battery is swollen→Speaker powers on but has no sound→Speaker distorts, buzzes or cuts out→One driver, channel or satellite is not working→Speaker is quiet or has no bass→Speaker will not connect over Bluetooth→Bluetooth drops or has short range→Buttons, joystick or volume control do not work→USB, DC or AUX connector is damaged→Speaker after water or liquid exposure→Microphone or karaoke input does not work→Wi-Fi, app, AirPlay or multiroom does not work→TWS, Stereo Pair, PartyBoost or Connect+ does not work→Speaker restarts, freezes or will not boot→Lighting, indicators or display do not work→Subwoofer or satellite is not working→Speaker remote control does not work→
Frequently asked questions
How much does “Wired speakers hum, buzz or hiss” cost?
Speaker diagnostics are free. Exact price depends on model, root cause, opening complexity and part cost, and is approved before work.
Can the fault be diagnosed from a photo?
A photo helps identify the model and external damage. Power, charging, amplification, drivers and boards require measurements after intake.
Can I send the speaker by courier?
Yes. We accept devices from across Serbia. Send the model, approximate weight, symptom and city first so we can advise on set and packing.
Do you begin repair immediately?
No. We diagnose first, report the cause, options and exact price, and start only after approval.