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Audiobot Notes
Peak SPL

112.6 dB

This was approximated from the source output at 32 Ω

Damping factor
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 $179.00
Highest $469.95
Lowest $179.00
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Similar Headphones
Fostex T-20RP MK2
HiFiMAN HE-400s
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Fostex T-20RP MK3
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Little Dot MK III
Little Dot MK III
Type Tube
Power Output 350 mW at 600 Ω
350 mW at 300 Ω
300 mW at 120 Ω
100 mW at 32 Ω
Frequency Range 12 - 100,000 Hz
Portable
Price History
Current $239.00
Highest $421.64
Lowest $239.00
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