As-is listingElectronics
JBL PartyBox 300 Portable Speaker System Black Powers On Then Shuts Off Sp 2
PartyBox 300Smithtown, NY
The flip
- As-is
- $140
- Working value
- $550
- Margin
- +$410
Working value is the median price of active working-condition listings for this item. Estimate, not sold data.
mamazzaron-0
297 sales
Risk signals
None flagged on this listing.
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What the seller says
Seller states
Unit powers on but shuts off right away. Likely thermal shutdown, power supply failure, or internal fault detection.
Likely faults & repair cost
Likely issue from this listing
Won't power on (logic board)$40 to $80
Margin after this repair$330 to $370
Other common faults
- Worn battery (won't hold a charge)$15 to $40eBayAmazon
- Charging port$20 to $40eBayAmazon
- One side dead (ribbon cable / driver)$10 to $40eBayAmazon
- Won't pair / Bluetooth (reset or board)$0 to $40eBayAmazon
- Ear pads / cushions$12 to $30eBayAmazon
- Cracked headband or hinge$10 to $25eBayAmazon
Repair costs are rough parts estimates, not a diagnosis of this exact unit. Confirm the fault and your repair path before you buy.