Sennheiser
Sennheiser HD 450BT Wireless Headphones - Good Condition
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 |
| Weight | Approx. 238 g |
| 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, π/4 DQPSK, 8DPSK |
| App support | EQ and updates via Sennheiser Smart Control |
All ReDial purchases include
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Your Device Fully functioning and ready for use out of the box! This device went through our 44-Point Check to ensure that it's in its peak performance when it arrives to you. |
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Charging Cable and Wall Adapter This device comes with a compatible USB charging cable and Australian AC wall adapter. |
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Box Only selected devices come with their original boxes and manuals. If they're not available, your device will be packaged using our standard box. |
This device has undergone a 44-Point diagnostic check to ensure full
functionality.
Our 44-Point diagnostic check includes:
LCD functionality
A minimum of 80% battery health
Fully functional buttons
Fully functional Wi-Fi & 4G
Fully functional cameras
Fully functional charger port
Fully functional Touch ID
Fully functional microphone and speakers
Network unlocked
As New - These devices are in excellent condition with no signs of use
Very Good – These devices are in very good condition with minimal signs of use, minor scuffing or marking to the case or screen of device, no chips or dents.
Good - These devices are a fair condition with more significant signs of use, heavier wear and tear, widespread scuffing, marking, or chips or dents to corners of device, but no cracks to screen.