OVERVIEW: Engineered for absolute clarity: The HD 600 is the audio purist’s choice for reference playback. An instrument of Sennheiser’s passion for perfect sound, it is globally recognized as the standard for analytical high-fidelity listening - even 20-plus years after its release. X-Ray Specs: The HD 600 was developed to give audiophiles an impartial scale of everything before it in the audio chain. Purpose-built to vanish when the listener presses “play”, the HD 600 is the benchmark...