Feature(may vary by option.)

●Driver Configuration: Φ1.6 inches (40 mm) dynamic shape
●Impedance: 40Ω
●Sound Pressure Sensitivity: 108dB/mW
●Frequency Response: 5-40,000 Hz
●Cable Specifications: Approx. 59.1 inches (1500 mm)

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Description

Music headphones [ST-90-05] have been made even higher sound quality.
In addition to the diaphragm theoretical value 1 Tesla magnetic circuit, we use high quality oxygen-free copper (OFC: Oxygen-Free Copper) cable.
Furthermore, the best tuning ensures natural and clear sound quality throughout the entire band.
With its retro modern design, it has been proven for commercial use, and is made in Japan as well as the ST-90-05.