
The 99 Classics features two 40 mm dynamic Mylar diaphragms with neodymium magnets, an impedance of 26 ohms, and a sensitivity of 103 dB SPL/mW at 1 kHz across a frequency response range of 15 Hz to 25 kHz. This configuration allows it to be powered directly from a smartphone or tablet, without the need for additional amplification.
Each ear cup is CNC-milled from a solid block of walnut and then hand-polished, a process that takes several days, including sanding, varnishing, and finishing. The hardware is finished in a silver tone that contrasts with the wood’s grain.
The headphones come with a 1.2-meter detachable cable featuring an Apple- and Android-compatible remote control and microphone, as well as a second 3-meter cable for use with a home hi-fi system. A 6.35 mm jack adapter and an airplane adapter round out the package.
The self-adjusting headband fits all head shapes, while the memory foam ear cushions effectively block out external noise for comfortable listening during long sessions.
Data sheet
Specific References
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