Step up to great wireless sound with the new HD 450BT. Delivering active noise cancellation, high-quality wireless codec support (AAC, aptX™ Low Latency), and Bluetooth® 5.0, this headset gives you superior sound with deep dynamic bass. Exceptional versatility for audio lovers is guaranteed by Voice Assistant access, the Sennheiser Smart Control App and a 30-hour battery life.

Features

• Enjoy your music – without distraction
  One of Sennheiser’s premier noise-canceling headphones models, the HD 450BT delivers captivating sound that you can enjoy without distraction – even in loud environments. Capture every audio detail in exceptional sound quality, assured by high-quality wireless codec support, including AAC and aptX™ Low Latency.
• Your reliable companion on the move
  A great companion for travel, the HD 450BT has a superb 30 hours of battery life. The headphones can also be quickly charged by USB-C to save you valuable time on the move. Additionally, the compact folding design – available in black or white – has been crafted from high-quality materials to provide the perfect balance of minimalist style, ergonomic comfort, and take-anywhere durability.
• Your sound – your decision
  Whether you want to turn up the bass or enjoy a natural sound, the Sennheiser Smart Control App means that you can tailor the sound to your personal taste effortlessly – thanks to an intuitive equalizer. Besides battery status and firmware updates, the app features a podcast mode that optimizes the audio settings for podcasts, audio books, and other spoken content.
• Your sound – your decision
  Whether you want to turn up the bass or enjoy a natural sound, the Sennheiser Smart Control App means that you can tailor the sound to your personal taste effortlessly – thanks to an intuitive equalizer. Besides battery status and firmware updates, the app features a podcast mode that optimizes the audio settings for podcasts, audio books, and other spoken content.
• Smart Control App
  Listen to your music the way you want. This free dedicated app for iOS and Android provides an effortless way to control, personalize, update and configure your Sennheiser headphone, headset or soundbar.

Technical Specifications

• Frequency response (Microphone): 80 Hz to 6,000 Hz (-3 dB)
  
• Transducer principle (Microphone): MEMS
  
• Bluetooth Version: 5.0
  
• Supported Profiles: HSP, HFP, AVRCP, A2DP
  
• Frequency response: 18 Hz to 22,000 Hz (-10 dB)
  
• Sound pressure level (SPL): 108 dB (1 kHz/0 dBFS)
  
• THD, total harmonic distortion: < 0.3 % (1 kHz, 100 dB)
  
• Ear coupling: Around Ear
  
• Transducer principle: Dynamic, closed
  
• Charging time: Approx. 2 hours
  
• Pick-up pattern: Dual Beamforming
  
• Operating time: 30 hours music playback via Bluetooth with ANC activated
  
• Battery Specification: Built-in Lithium-Polymer rechargeable battery: 3.7 V ?, 600 mAh
  
• Transmission frequency: 2,402 MHz to 2,480 MHz
  
• Charging Current: 500 mA max.
  
• Audio codec: SBC, AAC, AptX™, AptX™ Low Latency
  
• Charging voltage: 5 V, DC
  
• Modulation scheme: GFSK, p/4 DQPSK, 8DPSK
  
• App support: EQ and updates via Sennheiser Smart Control

Includes

• HD 450BT Wireless Headphones
  
• Audio Cable
  
• USB-C Charging Cable
• Carry Case
  
• Quick Guide
  
• Safety Guide