Sennheiser HD 820 vs Sony MDR-Z1R: What is the difference?
Why is Sony MDR-Z1R better than Sennheiser HD 820? 2 Hz lower low-frequency ? 4 Hzvs6 Hz Has active noise cancellation (ANC) ? 72000 Hz higher high-frequency ? 120000 Hzvs48000 Hz Has a detachable cable ? Has a neodymium magnet ...