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Sennheiser HD 650
Impedance 320 Ω
Efficiency 98.5 dB SPL/mW
Frequency Response 10 - 39,500 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 260 g
3rd Party Measurements www.innerfidelity.com
Additional Notes
"Here's a perfect addition to your high-end home entertainment system. Hand-picked components, special acoustic materials and exceptional engineering make these headphones an audiophile's dream."
Target SPL Requirements
Target Power Voltage
90.0 dB 0.14 mW 0.21 Vrms
92.5 dB 0.25 mW 0.28 Vrms
95.0 dB 0.45 mW 0.38 Vrms
97.5 dB 0.79 mW 0.5 Vrms
100.0 dB 1.4 mW 0.67 Vrms
102.5 dB 2.5 mW 0.9 Vrms
105.0 dB 4.5 mW 1.2 Vrms
107.5 dB 7.9 mW 1.59 Vrms
110.0 dB 14.1 mW 2.13 Vrms
Price History
Current $315.99
Highest $438.99
Lowest $315.99
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