Why Sennheiser HD 4.50BTNC, HD 4.50R Wireless Headphones cannot connect?
If your Sennheiser Wireless Headphones are failing to connect, the issue might stem from the Bluetooth connection. Check that your smartphone supports the HFP or HSP Bluetooth profile. Ensure that your smartphone is switched on and that Bluetooth is activated in your smartphone's settings.
How to put Sennheiser HD 4.50BTNC, HD 4.50R in pairing mode?
If your Sennheiser Wireless Headphones aren't automatically entering pairing mode, it might be because they remember a previous connection. To resolve this, switch the headphones off, then press and hold the power button for 4 seconds to initiate pairing mode.
What to do if Sennheiser Wireless Headphones have no audio signal?
If your Sennheiser Wireless Headphones aren't producing sound, there could be a few reasons. First, ensure that the headphones are properly paired with your device; if not, re-pair them. Also, check that the volume isn't set too low and increase it. Finally, make sure your headphones are switched on.
General| Type | Over-ear |
|---|---|
| Connectivity | Wireless, Wired |
| Wireless | Yes |
| Bluetooth Version | 4.0 |
| Bluetooth Profiles | A2DP, AVRCP, HSP, HFP |
| Codec | SBC, aptX |
| Active Noise Cancellation (ANC) | Yes |
| Impedance | 18 Ω |
| Battery Life (ANC on) | 19 hours |
| Battery Life (ANC off) | 25 hours |
| Charging Time | 2 hours |
| Weight | 238 g |
| Microphone | Yes |
| Foldable | Yes |
| Cable Length | 1.2 m |
| Connector | 3.5 mm |
| NFC | Yes |
| THD | < 0.5% |
| Frequency Response | 18 - 22000 Hz |
| Sound Pressure Level (SPL) | 113 dB |
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