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Audiobot Notes
Peak SPL

117.2 dB

Damping factor 16.0
AKG K 551
AKG K 551
Impedance 32 Ω
Efficiency 99.1 dB SPL/mW
Frequency Response 12 - 28,000 Hz
Transducer Type Dynamic
Operating Principle Closed
Ear Coupling Over-ear
Weight 305 g
Price History
Current $250.00
Highest $314.00
Lowest $250.00
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Output Impedance 2.0 Ω
Power Output 8 mW at 300 Ω
65 mW at 32 Ω
100 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Portable
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