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Audiobot Notes
Peak SPL

121.6 dB

Damping factor 3.6 and 14.3
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 $199.99
Highest $299.00
Lowest $199.99
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Schiit Valhalla 2
Schiit Valhalla 2
Type Tube
Output Impedance 3.5 Ω
14.0 Ω
Power Output 450 mW at 600 Ω
800 mW at 300 Ω
180 mW at 50 Ω
Frequency Range 20 - 20,000 Hz
Portable
Additional Notes
"Triode OTL headphone amp and preamp"
Price History
Current $389.00
Highest $389.00
Lowest
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