JBL PartyBox repair in Serbia โ charging, battery and sound
We repair JBL PartyBox power, battery, amplification, drivers, microphone inputs, lighting and controls. We accept speakers in Belgrade or by courier from anywhere in Serbia.
90 days on labor, 6 months on parts5.0 ยท 2 Google
Important for an accurate assessment
Provide the exact model and weight. Bring the microphone or wireless receiver for karaoke testing.
Repair by specific fault
Speaker will not turn on
We test the power button, battery or mains supply, input rails, amplifier protection and mainboard.
Repair details โ02Speaker is not charging
We test the cable and adapter, USB-C, micro-USB or DC connector, charge controller, battery and power rails.
Repair details โ03Speaker battery drains quickly
We measure real battery capacity, voltage sag, active and standby draw, and charging performance.
Repair details โ04Speaker works only when plugged in
The cause may be a worn battery, open battery circuit, connector, battery protection or power-path switching fault.
Repair details โ05Speaker overheats or battery is swollen
Excess heat and deformation require power disconnection and inspection of the battery, charging, amplifier and board.
Repair details โ06Speaker powers on but has no sound
We test the source, selected input, Bluetooth, amplifier, protection, drivers and internal connections.
Repair details โ07Speaker distorts, buzzes or cuts out
We separate driver or passive-radiator damage from amplifier, power, housing and wireless faults.
Repair details โ08One driver, channel or satellite is not working
We test the driver, cable and connector, amplifier channel, crossover and signal balance.
Repair details โ09Speaker is quiet or has no bass
We test settings, enclosure sealing, woofer, passive radiators, amplifier and power supply.
Repair details โ10Speaker will not connect over Bluetooth
We test pairing mode, device memory, firmware, antenna, Bluetooth module and radio power supply.
Repair details โ11Bluetooth drops or has short range
We compare several sources and test interference, antenna, radio power and mainboard stability.
Repair details โ12Buttons, joystick or volume control do not work
We test mechanics, membranes, encoder, flex, contact pads and controller inputs.
Repair details โ13USB, DC or AUX connector is damaged
We repair loose, broken and torn connectors where pads remain or can be reconstructed.
Repair details โ14Speaker after water or liquid exposure
We open the device, isolate the battery, remove corrosion and test power, charging, amplification and drivers.
Repair details โ15TWS, Stereo Pair, PartyBoost or Connect+ does not work
We test generation compatibility, firmware versions, group reset, Bluetooth hardware, buttons and settings memory.
Repair details โ16Speaker restarts, freezes or will not boot
We test battery and power under load, buttons, overheating, system storage, firmware and the board.
Repair details โ17Microphone or karaoke input does not work
We test the microphone and receiver, connector, preamplifier, mic-rail power, controls and settings.
Repair details โ18Lighting, indicators or display do not work
We test settings, LED strips, display, flex cables, lighting drivers and control board.
Repair details โ19Speaker remote control does not work
We test remote battery contacts and transmitter, the speaker receiver, power and control board.
Repair details โWhat owners search for
Choose a symptom to see likely causes, diagnostics and repair options.
Models and versions in this family
Guide labour prices
The exact price depends on model, root cause, opening complexity and part availability. Work starts after diagnostics and approval.
Other models in this section
Frequently asked questions
How much does JBL PartyBox repair cost?
The exact price depends on root cause, device version, opening complexity and part cost. Diagnostics are free and the total is approved before work.
Can I send JBL PartyBox from another city?
Yes. We accept speakers by courier from across Serbia. Send the model, description, city and device photos first.
What should I include with JBL PartyBox?
Include the original cable and adapter for charging or power faults. Karaoke and wired systems require the set used when the issue occurs.
Will factory water resistance remain?
Factory water resistance cannot be guaranteed after opening. The result depends on housing, membranes, seals and previous work.