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GRT’s XL-Series are minimalist LED grow lights with the latest high efficiency 3000K Samsung LEDs (Luminous Efficacy up to 2.9 μmol/j), paired with 660nm deep red mono LEDs to make an output optimized perfectly for plant growth, all powered by MeanWell drivers with full dimming control.
The GRT XL-Series are passively cooled LED fixtures made of clear anodised aluminium, designed specifically for high efficiency, professional indoor horticulture.
The GRT Horticulture XL-300 LED is a 300W true power LED, producing warm white light at the highest efficiency possible. The XL-300 can be boosted up to 320W output safely with sufficient cooling.
See attached spectrum & PAR maps for PPF/PPFD calculations. (Readings taken with no reflective walls)
All XL-Series lights are supported by a 15 month full warranty.
| Model Name | XL-300 |
| LED | 644 x Samsung LM561H 3000K, 14 x 660nm Deep Red, 8 x 410-420nm Violet |
| PPF | 758.6 |
| Efficacy | 2.9 µmol/J |
| Input Power | 3.5A-1.6A (100-240V) |
| Input Voltage | 100-277VAC – 50/60Hz |
| Output Power Range | 60W – 320W Dimmable range |
| Coverage Area | 3×3’ Flowering, 4×4’ Vegetative |
| Housing Material | Aluminium |
| Thermal Management | Passive Cooling |
| Power Supply | MeanWell HLG-320H-36B |
| Dimensions | 360mm x 360mm x 100mm |
| Weight | 5.9 KG |
| Warranty | 1.5 Years |
| Maximum PSU Temperature | 90C Celsius |
| Recommended Hanging Height | 50-60cm @ 100% Power |
| Weight | 8 kg |
|---|---|
| Dimensions | 80 × 50 × 30 cm |