LGITECH USB-A COMPUTER HEADSET (H540)
Logitech USB‑A Computer Headset (H540)
General & Build
| Specification | Details |
|---|---|
| Model Number | H540 (Part 981‑000510) |
| Type | On‑ear USB‑A wired headset |
| Weight | Approx. 120 g |
| Cable Length | ~1.8 m (5.9 ft) |
Audio & Microphone
| Specification | Details |
|---|---|
| Audio Drivers | Laser‑tuned drivers with built‑in equalizer for rich stereo |
| Frequency Response (Headphones) | 20 Hz – 20 kHz |
| Microphone Type | Bidirectional noise‑reducing boom mic |
| Frequency Response (Mic) | 100 Hz – 16 kHz |
| Mic Sensitivity | –42 dBV/Pa ± 3 dB |
| Headphone Sensitivity | 115 dB ± 3 dB |
| Impedance | 20 Ω |
Controls & Features
| Specification | Details |
|---|---|
| Volume & Mute Controls | On‑ear volume control and mute switch |
| Mute Indicator | Light indicator shows mute status |
| Microphone Boom | Rotatable; tucks into headband when not in use |
Compatibility & Warranty
| Specification | Details |
|---|---|
| Compatibility | Windows®, macOS®, Chrome OS®, standard calling apps |
| Plug‑and‑Play | USB‑A connection – no driver installation required |
| Warranty | 2‑year limited hardware |
