Sony WH-1000XM4 Wireless Noise Cancelling Headphones No Power – Parts Or Repair

The seller did not pin down a precise fault. These are the common failures for this kind of item, with rough parts costs. Subtract the relevant one from the $170 margin to gauge the real spread.

Common faults for this model

• Worn battery (won't hold a charge)$15 to $40eBayAmazon
• Charging port$20 to $40eBayAmazon
• Ear pads / cushions$12 to $30eBayAmazon
• Cracked headband or hinge$10 to $25eBayAmazon
• Dead unit (logic board)$40 to $80eBayAmazon

Repair costs are rough parts estimates, not a diagnosis of this exact unit. Confirm the fault and your repair path before you buy.