Beyerdynamic Phonum Speakerphone


The Phonum speakerphone is the ideal solution for mobile conferences over the internet in the office or at home. The primary operation is via Bluetooth® with a PC, laptop or smartphone. In addition, Phonum has a USB port as a secondary interface, so that the device can be used even with poor radio communication.


Brand: Beyerdynamic
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Technical specifications
Charging time typ. 3 hours via power supply
Run time typ. 12 hours
Battery technology Li-Ion
Maximum speaker output 2.3 Wrms
Sound pressure level 75 dB at 1 m/1 Wrms
Microphone 150 Hz to 6.8 kHz
Loudspeaker 100 Hz to 14 kHz
Audio algorithm Echo cancellation (AEC),

Noise cancelling (ANC)

Bluetooth BT4.2, class 2
Supported profiles HFP, A2DP (device is a hollow),

SPP (Upload)

Length x width x height


136 x 136 x 63
Weight approx. 450 g


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