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Audiobot Notes
Peak SPL

129.2 dB

This was approximated from the source output at 16 Ω

Damping factor 110.0
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
Fostex TH-500RP
HiFiMAN HE-400i
HiFiMAN HE-400
Fostex T-50RP
Schiit Magni 2
Type Solid state
Output Impedance 0.2 Ω
Power Output 130 mW at 600 Ω
260 mW at 300 Ω
1,000 mW at 50 Ω
1,200 mW at 32 Ω
1,800 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Portable
Additional Notes
"Discrete, high power headphone amplifier"
Price History
Current $5.99
Highest $300.99
Lowest $5.99
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