HIFIMAN HE-500 head band replacement thread to the new series HE-560/400i/400s/350 series comfort head band. | Headphones, In ear headphones, Over ear headphones
THE Ultimate Step-By-Step Hifiman Headband Replacement Guide from OLDSTOCK Hifiman (HE-4/5LE/6/400/500) into the NEWSTOCK (HE-400i/560) !!! | Headphone Reviews and Discussion - Head-Fi.org
HIFIMAN HE-560 REVIEW – 2023 | The Headphoneer
Widened Pure Wool L Size Headband Cushion For HIFIMAN HE400i HE560 Headphones | eBay