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PSB Speakers M4U 1 Headphone
Impedance 32 Ω
Efficiency 102.0 dB SPL/mW
Frequency Response 20 - 20,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 340 g
Target SPL Requirements
Target Power Voltage
90.0 dB 0.06 mW 0.04 Vrms
92.5 dB 0.11 mW 0.06 Vrms
95.0 dB 0.2 mW 0.08 Vrms
97.5 dB 0.35 mW 0.11 Vrms
100.0 dB 0.63 mW 0.14 Vrms
102.5 dB 1.1 mW 0.19 Vrms
105.0 dB 2.0 mW 0.25 Vrms
107.5 dB 3.5 mW 0.34 Vrms
110.0 dB 6.3 mW 0.45 Vrms
Price History
updated about 1 hour ago
Current $177.30
Highest $284.01
Lowest $177.30
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Model Peak SPL Portable Price
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