Sennheiser HD 4.40 BT, Closed Back Around Ear Headphones Black

  • RS Stock No. 136-2919
  • Mfr. Part No. HD 4.40 BT
  • Manufacturer Sennheiser
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CN
Product Details

Sennheiser HD 4.40 Wireless Headphone

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 Ω
• 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 dB)
• Battery Specification Li-ion Polymer Battery

Supplied with

Headphones, Carry Case, Audio cable with 2.5 mm and 3.5 mm jack plug
USB charging cable with micro-USB connector, Quick guide and Safety guide

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