GRT XL-450 LED Grow Light


A true 450W 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-450 LED is a 450W true power LED, producing warm white light at the highest efficiency possible. The XL-450 can be boosted up to 480W 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-450
LED  966 x Samsung LM561H 3000K, 21 x 660nm Deep Red, 12 x 410-420nm Violet
PPF  1169.33
Efficacy  2.9 µmol/J
Input Power  5.5A-2.3A (100-240V)
Input Voltage  100-277VAC – 50/60Hz
Output Power Range  80W – 478W Dimmable range
Coverage Area  4×4’ Flowering, 5×5’ Vegetative
Housing Material  Aluminium
Thermal Management  Passive Cooling
Power Supply  MeanWell HLG-480H-36B
Dimensions  540mm x 360mm x 100mm
Weight  8.9 KG
Warranty  1.5 Years
Maximum PSU Temperature  90C Celsius
Recommended Hanging Height 60-70cm @ 100% Power
Weight 10 kg
Dimensions 80 × 60 × 30 cm


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