Sennheiser HD 555 -> Sennheiser HD 595 transformation

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This page will show you how to turn a $199.95 (Canadian – Suggested Retail) pair of Sennheiser HD 555 headphones into a pair of Sennheiser HD 595‘s that cost $349.95. And all you need is a screwdriver.

Sennheiser HD 555 to HD 595 Mod – mike beauchamp

mikebeauchamp.com