Sennheiser HD 4.50BTNC Wireless

The Sennheiser HD 4.50BTNC Wireless headphones deliver high sound quality for everyday mobile listening. With NoiseGardTM active noise cancellation, long battery life, and a foldable, robust design, these closed-back over-ear headphones are the perfect companion for your mobile devices, providing an unparalleled listening experience and easy communication.

• Ear coupling: Closed circumaural
• Transducer type: Dynamic
• Diaphragm diameter: 32 mm
• Two omnidirectional microphones

Measurements

• Impedance: 18 Ohms
• Frequency response: 18 to 22,000 Hz
• Total Harmonic Distortion (THD): < 0.5% (1 kHz / 100 dB)
• Sound pressure level: 113 dB (Passive: 1 kHz/1 Vrms)

Bluetooth

• Bluetooth version 4.0
• apt-X compatible
• NFC pairing

Power

• Lithium-Polymer battery
• Battery life: 19 hours with noise reduction activated / approximately 25 hours
• Charging time: approximately 2 hours

General

• Dimensions
  • Product packaging (L x W x H) 180 x 100 x 260 mm
  • Outer box (L x W x H) 393 x 339 x 260 mm
• Weight: 539 g

Contents

• HD 4.50BT Wireless
• 1.4 m audio cable
• 3.5 mm angled mini-jack
• USB charging cable
• Carrying case