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Audiobot Notes
Peak SPL

118.6 dB

This was approximated from the source output at 250 Ω

Damping factor 4.7

Headphones with higher impedances may be a better fit for this amp

Audio-Technica ATH-R70x
Audio-Technica ATH-R70x
Impedance 470 Ω
Efficiency 99.0 dB SPL/mW
Frequency Response 5 - 40,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 210 g
Price History
Current $349.00
Highest $489.00
Lowest $349.00
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Beyerdynamic DT 990 Edition (600 Ω)
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Beyerdynamic A20
Beyerdynamic A20
Output Impedance 100.0 Ω
Power Output 100 mW at 600 Ω
170 mW at 250 Ω
150 mW at 30 Ω
Frequency Range 10 - 100,000 Hz
Portable
Price History
Current $360.46
Highest $749.00
Lowest $360.46
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