SHELKEE Extension Spring Relief Coiled Audio Cable for Sennheiser HD25 HD25 1 II HD25 C HD650 HD 480 HD 25 HD600 Headphone|Earphone Accessories| - AliExpress
Sennheiser HD480 - Studio Hire
Sennheiser HD 480 Classic II, Audiophile 70 Ohm Headphones, Near Mint, boxed Photo #3234757 - UK Audio Mart
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Sennheiser HD 480 classic II Headphones | Headphone Reviews and Discussion - Head-Fi.org
Sennheiser HD 480 headphones, almost 30 and still sound superb, parts still available from Sennheiser too : r/BuyItForLife
Sennheiser HD 480II | Headphone Reviews and Discussion - Head-Fi.org