The HD 25-SP II are closed dynamic headphones for monitoring, recording and outdoor applications. They are a lower-cost alternative to the HD 25 II, featuring a simpler headband and a slightly different capsule design.
Features:
Very lightweight and comfortable, even if used for long periods
High maximum sound pressure level
65 Ohm nominal impedance for universal compatibility
Tough, detachable OFC cable
Neodymium ferrous magnet systems and lightweight aluminium/copper voice
Specifications- Frequency response 30 – 16,000 Hz –3 dB
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Transducer principle dynamic, closed
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Nominal impedance 85 ohms
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Ear coupling supra-aural
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Connector 6.3 mm stereo jack
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Connection cable 3 m, detachable dual-sided steel cable