Astera AX1: Battery-powered LED tube with 288 individually addressable RGB+WW pixels, 4–20h runtime, app-control and pixel effects for location lighting.
Technical Details
The AX1 operates with a lithium-ion battery (14.4V, 158Wh), offering a runtime of 4 hours at full power and up to 20 hours at 25% power. Each of the 288 RGB+WW LEDs can be controlled individually and achieves a CRI of 96+ (TLCI 88). The tube is IP65 classified and can withstand temperatures from -20°C to +45°C. Wireless control is via the AsteraApp using Bluetooth or optionally via DMX/CRMX. With a pixel resolution of 0.38 cm per LED, it enables precise color gradients and effects along its entire length.
History & Development
Astera LED Technology introduced the AX1 in 2017 as part of its first AX series, establishing a new standard for mobile LED tubes in filmmaking. The German company responded to the growing demand for compact, battery-powered light sources for documentary work and tight shooting situations. In 2019, the AX3 LightDrop followed as a more compact variant, and in 2021, the AX9 PowerPAR as a more powerful alternative. Continuous app development expanded functionality with features like Titan integration and enhanced effect libraries.
Practical Use in Film
Cinematographers frequently use the AX1 as a practical light source in vehicles or for neon simulations in night scenes, with the pixel function enabling authentic flicker and color changes. In the Netflix series "Dark," AX1 tubes were used for the characteristic lighting of cave scenes. The tube is particularly suitable for run-and-gun shooting, as it operates without a cable connection and can be magnetically attached to metallic surfaces. Its low power consumption allows for multi-hour interviews without battery changes, while app control permits quick adjustments without light interruption.
Comparison & Alternatives
Compared to conventional neon tubes, the AX1 offers full color control and dimmability without flicker. Competing systems like the Quasar Science Q-LED or Kino Flo FreeStyle sometimes achieve higher light output but lack the pixel control of the AX1. The newer AX3 LightDrop (20 cm) is better suited for concealed placement, while the AX9 PowerPAR (3,000 lumens) offers more punch at greater distances. For large productions with reliable power access, traditional HMI sources often remain the first choice due to their higher light output.