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Quick Details

Minimum Frequency Response: 18 Hz
Maximum Frequency Response: 22000 Hz
Brand: Sennheiser
Connectivity: Wireless
Headphone Style: Closed Back Around Ear
Sound Pressure Level: 113 (1 kHz/1 Vrms)dB
Impedance: 18Ω
Colour: Black
Frequency Response: 100 → 10000 (Microphone) Hz, 18 → 22000 Hz

Specifications

The Sennheiser HD 4.40 Wireless offers high-quality wireless sound for every day listening on the move. The closed-back, ergonomically designed ear pads features Bluetooth 4.0 and aptX compatibility to deliver true Hi-Fi sound. With a robust foldable headband and elegantly minimalist design has been crafted from robust, high-quality materials
• Impedance 18 ?
• Bluetooth wireless technology
• Frequency response (Microphone) 100 to 10000 Hz
• Frequency response 18 to 22000 Hz
• Sound pressure level 113 dB
• Total harmonic distortion <0.5% (1="" khz/100="">
• Battery Specification Li-ion Polymer Battery