The Flexstar Redline 1200W SpecTune XL is a 12-bar, 4×6 ft full-spectrum LED grow light built around Flexstar’s patented Liquid Optics System (LOS). It features four independently controllable spectral channels — white, deep red, far red, and UV — allowing spectrum recipes to be adjusted through different growth stages without changing fixtures.
• SKU: FLRL-1200AST-XL
• System Power: 1,200W — Main 1,000W + Far Red 140W + UV 60W
• Efficacy (PPE): 3.2 μmol/J
• Spectrum: 4000K White + 660nm Deep Red + 730nm Far Red + 395nm UV
• Spectrum Channels: 4 independently controllable channels
• Channel Adjustment: 25–100% independently
• PPF: Not specified on the product page
• Coverage: 4 × 6 ft canopy
• Bar Count: 12 bars — XL format
• Input Voltage: 120–277V
• Dimming Protocol: RS485 + 0–10V
• Cooling: Passive, fanless Liquid Optics System (LOS)
• Optical Efficiency: 99% at lens surface
• IP Rating: IP66
• Operating Temperature: −20°C to 40°C
• Lifespan: 54,000 hours (Q90)
• Dimensions: 44.5 × 66.1 × 2.2 in
• Daisy Chain: Up to 200 fixtures per run
• Control: Compatible with Flexstar X5 Smart Controller and standard RS485/0–10V systems
• Controller Capacity: X5 supports up to 100 fixtures per channel
• Certifications: DLC / ETL / CE / RoHS / TISI
• Warranty: 5 years
• Applications: Commercial flower rooms, high-intensity veg, multi-tier vertical systems, high-humidity/high-CO₂ environments
Key Advantage: Combines 1,200W output, 3.2 μmol/J efficiency, a large 4×6 ft coverage area, and four independent spectrum channels with UV and Far Red control, while the sealed Liquid Optics System provides 99% optical efficiency, passive cooling, and IP66 protection.