GRT XL-300 LED Grow Light


A true 300W High-powered LED grow light with the latest high efficiency 3000K Samsung LEDs (Luminous Efficacy up to 2.9 μmol/j)

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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