HD 4.50 BTNC Wireless Bluetooth Headphones with NoiseGard Active Noise Cancellation
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From Sennheiser
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Product Description
The HD 4.50 BTNC Wireless Bluetooth Headphones with NoiseGard Active Noise Cancellation from Sennheiser feature high-quality sound and Bluetooth 4.0 technology in a sleek and foldable design. These headphones can be used to listen to music and answer calls, and are well suited for use with smartphones, MP3 players, tablets, and other portable devices.
The HD 4.50 BTNC are built to be portable and can make travel more pleasurable. With their over-ear design, NoiseGard active noise cancellation, and deep, ergonomically designed earpads, these headphones offer lasting comfort, even during extended listening sessions. Their robust, foldable-headband design can be easily and compactly stored in the supplied protective case.
| Headphone | |
| Driver Size | |
| Magnet Type | |
| Diaphragm | |
| Active Noise Cancellation | Yes |
| Design | Over-Ear (Circumaural) |
| General | |
| Frequency Response | 18 Hz to 22 kHz |
| Impedance | 18 Ohms |
| Maximum Sound Pressure Level (SPL) | 113 dB at 1 kHz / 1 Vrms |
| Total Harmonic Distortion (THD) | 0.5% |
| Controls/Microphone Location | |
| Contact Pressure | |
| Microphone | |
| Number of Mics | 2 |
| Type | |
| Pickup Pattern | Omnidirectional |
| Frequency Response | 100 Hz to 10 kHz |
| Sensitivity | |
| Maximum SPL | |
| Beamforming Support | |
| Wireless Connectivity | |
| Supported Audio Codecs | aptX |
| Bluetooth | 4.0 |
| Bluetooth Power Class | |
| Wireless Range | |
| Frequency | |
| Transmitter Power | |
| Multipoint Support | |
| Maximum Paired Devices | |
| Bluetooth Transmitter Modulation | |
| NFC | Yes |
| Wireless Chipset | |
| Wired Connectivity | |
| Audio Connector to Source | 1/8" / 3.5 mm Angled |
| Cable Length | 4.6' / 1.4 m |
| Charging Cable Length | |
| Battery | |
| Battery Chemistry | Lithium-Ion Polymer (LiPo) |
| Capacity (mAh) | 600 mAh |
| Runtime | 19 Hours (BT+ANC) 25 Hours (BT) |
| Quick Charging Times | |
| Recharge Time | 2 Hours |
| DC Input Power | 5 VDC at 400 mA |
| Additional Runtime | |
| Capacity | |
| Wireless Charging | |
| Dimensions (W x H x D) | |
| Weight | |
| Operating Temperature | |
| Storage Temperature | |
| Charging Temperature | |
| Operating Humidity | |
| Certifications | |
| Physical | |
| Material of Construction | |
| Dimensions (W x H x D) | |
| Weight | 8.4 oz / 238 g |
