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Audiobot Notes
Peak SPL

132.3 dB

This was approximated from the source output at 50 Ω

Damping factor 560.0
Reminder Headphones must be recabled for balanced drive to be compatible with this amp
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 $42.95
Highest $69.99
Lowest $42.95
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Schiit Jotunheim (balanced output)
Type Solid state
Output Impedance 0.1 Ω
Power Output 500 mW at 600 Ω
900 mW at 300 Ω
3,000 mW at 50 Ω
5,000 mW at 32 Ω
7,500 mW at 16 Ω
Frequency Range 2 - 700,000 Hz
Input Balanced Only
Portable
Price History
Current $399.00
Highest $399.00
Lowest
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