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Audiobot Notes
Peak SPL

122.5 dB

This was approximated from the source output at 300 Ω

Damping factor 0.2
HiFiMAN HE-400s
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 $184.90
Highest $299.00
Lowest $184.90
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Bottlehead Crack OTL
Type Tube
Output Impedance 120.0 Ω
Power Output 333 mW at 300 Ω
Frequency Range 10 - 50,000 Hz
Portable
Price History
Current $279.00
Highest $279.00
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