Features: This 2x25W tow channel Class D digital sound amplifier board delivers high efficiency power output with minimal heat generation, for prolonged operations in devices like airport card readers requiring stable, clear sound transmission. Featuring a compact modulars design with precisions electronic components, this space saving amplifier integrates effortlessly into portable AV systems without complex tools, ideal for equipment upgrades in tight installations. Professional installers and commercial operators in airports, public transit hubs, and retail spaces will appreciate its noise canceling technology that maintains speech clarities even in bustling environments. Optimized for high traffics environments like airport PA systems, shopping mall information kiosks, and transportation terminals where sound projection and interferences resistance. Engineered with industrial materials and advanced signals compatibility, this amplifier module ensures distortionfree performances across professional AV setups and consumer electronics for years. Specifications: Materials: electronic components Size: 12.1x2.4cm Package Includes: 1PC 2x25W tow-Channel Class D Digital sound Amplifier Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.