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Audiobot Notes
Peak SPL

111.6 dB

This was approximated from the source output at 150 Ω

Damping factor 227.3
Beyerdynamic DT 770 PRO (250 Ω)
Beyerdynamic DT 770 PRO (250 Ω)
Impedance 250 Ω
Efficiency 96.0 dB SPL/mW
Frequency Response 5 - 35,000 Hz
Transducer Type Dynamic
Operating Principle Closed
Ear Coupling Over-ear
Weight 270 g
Additional Notes
"The DT 770 PRO is a closed dynamic headphone which has been designed for critical music and sound monitoring. The single-sided cable makes the handling of the headphone easy."
Price History
Current $141.82
Highest $199.98
Lowest $141.82
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Beyerdynamic DT 150
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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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