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DescriptionThe Jabra Engage 75 SE Mono (part number 9656-583-117) is a professional wireless PC…
The Jabra Engage 75 SE Mono (part number 9656-583-117) is a professional wireless PC headset with a single, over-the-head supra-aural earpiece. It supports both Bluetooth and DECT connections for desk or mobile calling and uses electret condenser and MEMS microphone technologies intended for clear voice capture. The headset covers a frequency response useful for speech-focused audio.
Key specifications
- Part number: 9656-583-117
- Connectivity: Bluetooth and DECT
- Earpiece design: Monaural, supra-aural, over-the-head
- Frequency response: 40 Hz to 16 kHz
- Microphone technology: Electret condenser and MEMS
What this tells you
This headset is configured for single-ear use, letting users monitor local audio while staying aware of the surroundings. Dual wireless options enable pairing to desk phones or mobile devices where supported; microphone components are specified for clear speech pickup across typical voice frequencies.
Questions & answers
Does the headset support both Bluetooth and DECT at the same time?
It supports Bluetooth and DECT connectivity options; device behaviour when both radios are present depends on the base or docking configuration and the connected endpoints.

