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Audiobot Notes
Peak SPL

127.0 dB

This was approximated from the source output at 25 Ω

Damping factor 17.5
HiFiMAN HE-400i
HiFiMAN HE-400i
Impedance 35 Ω
Efficiency 93.0 dB SPL/mW
Frequency Response 20 - 35,000 Hz
Transducer Type Planar magnetic
Operating Principle Open
Ear Coupling Over-ear
Price History
Current $185.00
Highest $469.95
Lowest $185.00
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Audio-GD R2R 11
Output Impedance 2.0 Ω
Power Output 150 mW at 600 Ω
300 mW at 300 Ω
900 mW at 100 Ω
1,800 mW at 50 Ω
3,500 mW at 25 Ω
Portable
Price History
Current $350.00
Highest $350.00
Lowest
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