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Audiobot Notes
Peak SPL

114.6 dB

This was approximated from the source output at 50 Ω

Damping factor 300.0
Sennheiser HD 660 S
Sennheiser HD 660 S
Impedance 150 Ω
Efficiency 95.8 dB SPL/mW
Frequency Response 10 - 41,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 260 g
Price History
Current $479.99
Highest $700.00
Lowest $479.99
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Schiit Fulla 2
Output Impedance 0.5 Ω
Power Output 40 mW at 300 Ω
230 mW at 50 Ω
360 mW at 32 Ω
550 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Portable
Price History
Current $99.00
Highest $99.00
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