The A7s is a premium receiving card from NovaStar designed for high-end LED display applications. A single A7s loads up to 512×256 pixels (PWM IC), providing excellent performance for high-resolution LED modules. The card features pixel-level brightness and chroma calibration for uniform image quality across the display, individual gamma adjustment for RGB channels to fine-tune color accuracy, and 3D support for immersive visual experiences. The A7s uses high-density connectors that resist dust and vibration, ensuring stable operation in demanding environments. It supports up to 32 groups of parallel RGB data or 64 groups of serial data (expandable to 128 groups), offering flexibility for various LED module configurations. A premium choice for high-end LED displays requiring superior image quality and reliability.