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Audiobot Notes
Peak SPL

124.6 dB

This was approximated from the source output at 32 Ω

Damping factor
Superlux HD-668B
Superlux HD-668B
Impedance 56 Ω
Efficiency 98.0 dB SPL/mW
Frequency Response 10 - 30,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Price History
Current $38.98
Highest $69.99
Lowest $38.98
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Power Output 800 mW at 32 Ω
Frequency Range 2 - 20,000 Hz
Portable
Price History
Current $799.00
Highest $799.00
Lowest $768.16
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