| Identification |
| Brand |
Jabra |
| Series |
Engage 55 SE |
| Model |
Engage 55 SE Convertible |
| Part Number |
9655-415-111 |
| EAN / GTIN |
5706991031737 |
| Wearing style |
Convertible |
| Certification variant |
UC (Unified Communications) |
| Adapter variant |
USB-A (Jabra Link 400a) |
| Colour |
Black |
| Region code |
111 — the EMEA build |
| Wireless & Connectivity |
| Technology |
DECT wireless |
| Frequency band |
1880–1900 MHz |
| Maximum output power |
94 mW |
| Security |
Beyond DECT Security Step C |
| Encryption |
FIPS-approved algorithms for key generation, payload encryption and authentication |
| Adapter supplied |
Jabra Link 400a USB DECT adapter |
| Adapter connector |
USB-A |
| Range |
Up to 150 m / 490 ft in line of sight |
| Connected devices |
Computer only, through the Link 400 adapter |
| Desk-phone support |
None published by Jabra for this model |
| Conference mode |
Up to three additional Engage headsets on one Link 400, four in total |
| Bluetooth |
None — this is a DECT product |
| Audio |
| Speaker frequency response |
40 Hz – 16,000 Hz |
| Speech mode bandwidth |
150 Hz – 6,800 Hz |
| Music mode bandwidth |
40 Hz – 16,000 Hz |
| Microphones |
One Electret Condenser (ECM) uni-directional microphone |
| Microphone type |
Electret Condenser, uni-directional |
| Microphone noise cancelling |
Yes |
| Active noise cancellation |
No — the earcup does not cancel room noise |
| Hearing protection |
Jabra PeakStop |
| Tone control |
Jabra SafeTone 2.0 |
| Noise exposure compliance |
EU Noise at Work directive |
| Acoustic shock protection |
G616 anti-startle |
| Power & Battery |
| Talk time |
Up to 9 hours with the busylight switched off |
| Standby time |
Not published by Jabra for the Engage SE generation |
| Full charge |
Up to 90 minutes |
| Charge after 30 minutes |
40% |
| Charge after 60 minutes |
80% |
| Battery type |
Rechargeable lithium-ion |
| Battery replacement |
Not published by Jabra for the Convertible variant |
| Charging by cable |
USB-C cable supplied in the box |
| Charging stand |
Included with this order code |
| Physical & Environment |
| Weight |
21 g |
| Wearing styles supplied |
Headband, neckband and ear-hook |
| Busylight |
Integrated — automatic on a call, and settable by hand |
| Boom arm |
Yes, with noise-cancelling microphone |
| Operating temperature |
−10 °C to 55 °C |
| Storage temperature |
−5 °C to 45 °C |
| Housing colour |
Black |
| In the Box |
| Included |
Engage 55 SE Convertible headset |
| Included |
Charging stand |
| Included |
Jabra Link 400a USB-A DECT adapter |
| Included |
USB cable, three sets of EarGels, an ear-hook and a headband, user documentation |
| Not included |
No desk-phone cable and no desk-phone base station |
| Not included |
No mains power supply and no handset lifter or EHS cable |
| Not included |
No second adapter in the other USB port type, and no spare battery |
| Warranty |
| Warranty |
1-Year Warranty (Singular) |
| Manufacturer Term |
Jabra publishes a two-year warranty on Engage DECT products under its EMEA business terms. Singular’s direct warranty is 1 year; beyond that we assist you with the manufacturer’s warranty process for its full duration. |