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Audiobot Notes
Peak SPL

116.7 dB

This was approximated from the source output at 16 Ω

Damping factor 45.7
Superlux HD-681
Superlux HD-681
Impedance 32 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
updated about 1 hour ago
Current $29.94
Highest $44.95
Lowest $29.94
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Output Impedance 0.7 Ω
Power Output 16 mW at 300 Ω
150 mW at 16 Ω
Frequency Range 10 - 60,000 Hz
Portable
Price History
Current $20.00
Highest $20.00
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