The A4Tech FH100i is a light, wired 3.5 mm headset in Stone Black for students, call-centre staff and anyone who takes calls on a phone or laptop with a combo audio jack.
The FH100i uses one 4-pin 3.5 mm plug, so the microphone and both earcups run through the single jack found on most current laptops and Android phones. A small inline remote on the cable lets you lower the volume or mute the mic without touching the keyboard, which is handy in Zoom classes and Teams meetings. The mic boom rotates out of the way when you only want to listen. Leather ear pads and flexible-joint earcups keep it comfortable through a long shift. There is no battery and no USB sound card, so nothing to charge; older desktops with separate pink and green jacks will need a splitter.
A4Tech FH100i specifications
- Speaker unit: 40 mm
- Frequency response: 20 Hz – 20 kHz
- Sensitivity: 100 dB; impedance: 32 ohm
- Microphone: omni-directional, rotatable; 100 Hz – 10 kHz; -42 dB
- Controls: inline volume and mic mute
- Cable: 180 cm; 4-pin 3.5 mm plug
- Colour: Stone Black
Want to hear it first? Try the FH100i at our North Nazimabad office, or see more A4Tech headsets.


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