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Audiobot Notes
Peak SPL

126.8 dB

This was approximated from the source output at 150 Ω

Damping factor 2500.0
Beyerdynamic DT 1770 PRO
Beyerdynamic DT 1770 PRO
Impedance 250 Ω
Efficiency 102.0 dB SPL/mW
Frequency Response 5 - 40,000 Hz
Transducer Type Dynamic
Operating Principle Closed
Ear Coupling Over-ear
Weight 388 g
Price History
Current $499.00
Highest $599.00
Lowest $499.00
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Beyerdynamic T 70
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JDS Labs El Amp
Output Impedance 0.1 Ω
Power Output 140 mW at 600 Ω
505 mW at 150 Ω
1,100 mW at 32 Ω
Portable
Price History
Current $249.00
Highest $249.00
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