AudioQuest NightHawk Over Ear Open Back Headphones - Liquid Wood Audiophile Please note the headband replaceable leather is worn out. It’s easily replaceable. Come with case and cable as seen in photos.
eBay
Bring back the original charm and functionality of your NightHawk or NightOwl, and experience that perfect fit and finish all over again. This upgraded headband is the ideal choice for audiophiles who value both aesthetics and performance.
eBay
HIFIMAN HE400S, HE-400i, 4.4mm Silver Copper 6N OCC to (3.5mm to Dual 2.5mm) - 4ft. COMPATABILITY: Our cable is compatible with the following Sennheiser models; HE400S, HE-400I, HE-400i HE560, HE-350, HE1000, HE1000 V2, AudioQuest NightHawk Hi-Fi Headphones.
eBay