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Audiobot Notes
Peak SPL

116.5 dB

Damping factor 32.0
Superlux HD-681
Superlux HD-681
Impedance 32 Ω
Efficiency 98.0 dB SPL/mW
Frequency Response 10 - 30,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Price History
Current $28.99
Highest $44.95
Lowest $28.99
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ALO Audio International+
ALO Audio International+
Type Solid state
Output Impedance 1.0 Ω
Power Output 120 mW at 600 Ω
240 mW at 300 Ω
100 mW at 50 Ω
70 mW at 32 Ω
Frequency Range 5 - 50,000 Hz
Portable
Price History
Current $2,055.67
Highest $2,055.69
Lowest $2,055.67
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