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Audiobot Notes
Peak SPL

114.7 dB

This was approximated from the source output at 16 Ω

Damping factor
HiFiMAN HE-400s
Impedance 22 Ω
Efficiency 98.0 dB SPL/mW
Frequency Response 20 - 35,000 Hz
Transducer Type Planar magnetic
Operating Principle Open
Ear Coupling Over-ear
Weight 350 g
Price History
Current $174.99
Highest $299.00
Lowest $174.99
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Similar Headphones
Fostex T-20RP MK2
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HiFiMAN HE-400i
HiFiMAN HE-400
Fostex T-50RP
Type Solid state
Power Output 130 mW at 32 Ω
65 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Additional Notes
"SMSL SD-793II decoder uses the advanced digital receiver chip DIR9001, it can receive 24bit/96K signals at the highest. DAC adapt the one of the best D/A decode PCM1793 chip(192K/24Bit convert chip). Use active low pass filteroutput (sealed pack OPA2134, user an change this IC to adjust sound)."
Price History
Current $67.99
Highest $69.99
Lowest $67.99
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