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Audiobot Notes
Peak SPL

125.6 dB

This was approximated from the source output at 50 Ω

Damping factor 9.7 and 46.7
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 $35.48
Highest $69.99
Lowest $35.48
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Schiit Vali 2
Schiit Vali 2
Type Tube hybrid
Output Impedance 1.2 Ω
5.8 Ω
Power Output 140 mW at 600 Ω
270 mW at 300 Ω
650 mW at 50 Ω
1,000 mW at 32 Ω
1,300 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Portable
Price History
Current $169.00
Highest $199.00
Lowest $169.00
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