| Brand | Fostex |
| Model | GX103 |
| Drivers | 20mm magnesium alloy ridge dome tweeter 2 x 10cm aluminum alloy HR-shaped diaphragm woofers 1 x 10cm aluminum alloy HR-shaped diaphragm bottom woofer |
| Woofer | |
| Woofer diameter (mm) | |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | |
| Tweeter diameter (mm) | |
| Frequency response | 40 Hz – 45000 Hz −10 dB |
| Enclosure | Ported |
| Sensitivity (dB) | 86 |
| Impedance (Ω) | 6 |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | |
| Built-in amplifier power (W) | |
| Height (mm) | 1 |
| Width (mm) | 228 |
| Depth (mm) | 285 |
| Weight (kg) | 22.5 |
