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Audiobot Notes
Peak SPL

127.5 dB

This was approximated from the source output at 32 Ω

Damping factor 40.9
Sony MDR-7502
Sony MDR-7502
Impedance 45 Ω
Efficiency 106.0 dB SPL/mW
Transducer Type Dynamic
Operating Principle Closed
Ear Coupling On-ear
Price History
Current $59.00
Highest $130.71
Lowest $59.00
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FiiO Alpen 2 E17K
FiiO Alpen 2 E17K
Output Impedance 1.1 Ω
Power Output 60 mW at 150 Ω
200 mW at 32 Ω
160 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Portable
Price History
Current $99.95
Highest $343.84
Lowest $99.95
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