Sony Walkman NW-WM1ZM2 Digital Media Player (Open Box) lightning Listening Optimizer utilizes microphones to

Listening Optimizer utilizes microphones to make constant measurements (every 20 seconds) and advanced processing to analyze factors such as seal and air leakage

RL=300Ω，Po=12

MC (60dB): > 22dB (re 0

improving its efficiency and reducing magnetic interference with the listener

Always striving for perfection

Sony Walkman NW-WM1ZM2 Digital Media Player (Open Box) lightning Listening Optimizer utilizes microphones toPurer materials for a purer sound Despite oxygen free copper (OFC) being notoriously difficult to machine process, the WM1ZM2 features a gold plated OFC chassis just like its predecessor. This time though, OFC purity has been upgraded to 99. 99% (four nines), offering even greater benefits in terms of audio quality and high rigidity. Bass notes are clear and powerful, the atmosphere is more expansive, and mid to high range sounds linger beautifully.