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Audiobot Notes
Peak SPL

123.0 dB

This was approximated from the source output at 300 Ω

Damping factor 160.0
Sennheiser HD 650
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."
Price History
Current $369.93
Highest $438.99
Lowest $369.93
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Output Impedance 2.0 Ω
Power Output 150 mW at 600 Ω
300 mW at 300 Ω
900 mW at 100 Ω
1,800 mW at 50 Ω
3,500 mW at 25 Ω
Portable
Price History
Current $350.00
Highest $350.00
Lowest
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