Features: Experience powerful Auditory output with the TDA8954TH Double Chip Class D Amplifier Board, delivering up to 420W per channel for a hifi sound system that offers immersive auditory experience. Withadvanced Class D digital amplification technology, this amplifier boasts over 90% efficiency, reducing heat loss and extending its life while maintaining low distortions for clear auditory reproduction. For audiophiles superiorsly sound, professional Auditory engineer in need of reliable amplification solution, and music producer requiring powerful auditory equipment for live performances or recording. Perfectly for enhancing home theater systems, supporting live concerts and event with wide sound coverage, upgrading car Auditory systems for improved driving enjoyment, and providing accurate sound feedback in studios and lab. With its small and lightweighted designing, the amplifier is easy to install in various Auditory systems without occupying excessive space, making it a versatiled addition to any setting. Specifications: Product name: TDA8954TH Double Channel Amplifier Board Product type: M252 Power amplifier chip: TDA8954TH Input voltages: Recommended Double AC24V (up to 30V） Power amplifier: 2x420W Number of channel: left and right double channel Output impedance group: 2-8 ohms Appearance size: about 107x93x30MM/4.21x3.66x1.18in Package Includes: 1Set TDA8954TH Double Channel Amplifier Board note: Please allow 0-2cm error due to manual measurement. Please surely do not mind before bid. The color may have different as the differences display,please understand