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Sennheiser’s supra-aural PX 90 headphones employ a dynamic, open design and a dual-sided, 3.9-foot cable. The PX 90 additionally features a 20 – 20,000 Hz frequency response, 108 dB/mW sensitivity, and 32 ohms impedance.
- Dynamic, open design
- 3.9-foot cable
- 20 – 20,000 Hz frequency response
- 108 dB/mW sensitivity
- 32 ohms impedance
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