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Audiobot Notes
Peak SPL

115.2 dB

This was approximated from the source output at 16 Ω

Damping factor 50.0
Sennheiser HD 558
Sennheiser HD 558
Impedance 50 Ω
Efficiency 99.0 dB SPL/mW
Frequency Response 15 - 28,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 270 g
Price History
Current $175.90
Highest $299.00
Lowest $175.90
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Output Impedance 1.0 Ω
Power Output 130 mW at 16 Ω
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Price History
Current $199.00
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