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Audiobot Notes
Peak SPL

116.4 dB

This was approximated from the source output at 50 Ω

Damping factor 90.0
HiFiMAN HE-400
Impedance 45 Ω
Efficiency 92.3 dB SPL/mW
Frequency Response 20 - 35,000 Hz
Transducer Type Planar magnetic
Operating Principle Open
Ear Coupling Over-ear
Weight 440 g
3rd Party Measurements www.innerfidelity.com
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Current $399.00
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Output Impedance 0.5 Ω
Power Output 40 mW at 300 Ω
230 mW at 50 Ω
360 mW at 32 Ω
550 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Portable
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Current $99.00
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