Phantom PHOTOBIO CX 2125 850W 100-277V S4 Spectrum

ECO Farm


Type: Unknown Type

The PHOTOBIO•CX 2125 100-277V S4 is a compact high-performance LED fixture with the highest photon output fixture within the PHOTOBIO product lineup.  This high-efficiency compact top light is designed for horticultural professionals looking to increase performance and yields while minimizing power consumption. The CX is truly a direct 1:1 replacement for 1000W DE fixtures offering higher photon flux, more light to your plant canopy, and better overall distribution vs 1000W DE’s. The 2.6" Slim vertical design is optimal for maximizing vertical real estate, while passive cooling fins keep the operating temperatures low. CX features iLOC Integrated Light Output Control push-button interface allowing the grower to adjust the photon output based on crop maturity.  The high-efficiency S4 spectrum provides more red, far-red, and blue wavelengths to deliver vigorous growth and optimize flower development.


  • 2125 umol/s Photon Flux @ 277V

  • 2087 umol/s PPF

  • 2.5 umol/J efficacy

  • 850W high powered LED solution with slim vertical profile (24.1L x 14.2W x 2.6H inches) and 22.7 lbs

  • Superior canopy penetration by utilizing secondary optics

  • Osram/Seoul diodes produce the S4 Spectrum 

  • 1:1 direct 1000W HPS replacement utilizing similar footprint

  • iLOC Integrated Light Output Control with digital screen for monitoring output levels

  • Compatible with PX Controllers for dimming – 500 pieces per zone

  • Passive heat dissipating cooling fins

  • Includes 10’ PHOTO•LOC 0-10V control cable  

  • Power cords sold separately, or via pick kit

  • Data Link cable for PX2 connection sold seperately, or via pick kit

  • C Clamps included

  • Voltage: 120-277V

  • 5-year warranty

  • IP66 rated



S4 Spectrum: Provides highly efficient full spectrum with a healthy red-to-blue ratio to drive photosynthesis. Light energy between 500–599nm, previously thought wasted, penetrates deeper into the plant canopy promoting photomorphogenic responses. High color rendering “white” light aids to rapidly identify potential threats to your crop and provides superior working conditions and safety for personnel. Ideal for both flowering and vegetative production.




Model: PTB8850LS4X

Fixture Type: Horticultural LED

Spectrum: S4 Spectrum

Typical Photon Flux Output: 2125 µmol/s @277V

Input Power: 850W

Efficacy: 2.5 µmol/j @ 277V

Input Voltage Range: 120–277V


  • Typical Amperage- 7.25A @ 120v, 4.11 @ 208v, 3.56 @ 240v, 3.07 @ 277v

  • Max Amperage- 7.40 @ 120v, 4.19 @ 208v, 3.63 @ 240v, 3.13 @ 277v

Lifetime: L90: >50,000hr

LED's: 608 pieces Osram, Seoul

Optics: Primary Optics 105*150°; 90*105°

Dimmable: 0–10V

Power Factor: >0.97

Frequency: 50/60hz

THD: <10%

Driver: IP67 Driver (output compensating)

Operating Environment: Wet Location

Ingress Protection Rating: IP66

Weight: 27.55 lbs

Dimensions: 24.13" x 14.21" x 3.06"

Operating Conditions: 

  • Rated Operating Temperature 77°F/25°C

  • Minimum Operating Temperature 4°F/-20°C

  • Maximum Operating Temperature 104°F/40°C

Warranty: 5-Year