Features: The AS21P Digital Amplifier Board delivers accurate wireless sound streaming with seamless connectivity, featuring advanced security mechanisms including over current, short circuit, and thermal safeguards for consistent execution. Operating at 18 50VDC (recommended 36 48V/12A+), this polyethylene built amplifier board supports multiple inputs like help and while ensuring distortion complimentary sound output across large spaces. Ideal for home sound enthusiasts, multi device households, and artisanal sound framework builders seeking versatile connectivity and robust power handling for immersive listening experiences. Perfectly integrates into home theaters, living room entertainment setups, or outdoor gatherings where clear sound projection and wireless device switching are essential. Engineered with wide potential compatibility and intelligent security circuits, this amplifier maintains stable execution even during extended use, making it a permanent centerpiece for modern sound systems. Specifications: Product model: naught-AS21P Product size: potentiometer external type: 131.5x120x40mm, potentiometer integrated type: 150x120x40mm. Package Includes: Digital amplifier board × 1 note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.