Features: Powerful double Channel Output : The TPA3116D2 chip delivers 2 120W powerful stereo sound, perfect for upgrading home auditory systems or hifi projects with clear and dynamic auditory performances. Wide Voltages Compatibility : Works with DC12 26V power supply without extra voltages regulators, ideal for car auditory systems and portable devices in various environments. Premium Noise Reduction : 100dB low noise ratio ensures clean and detailed sound, eliminating background noise for music enthusiasts and professional recording needs. compactly and Lightweight Design : Measures only 91.4x68.5mm and weighs 62g, making it easy to fit into tight spaces or integrate into portable auditory equipment. Industrial Grade Durability : Fully integrated IC design reduces reliances on external circuits, offering superior heat resistance for prolonged use in KTV or outdoor performances setups. Specifications: Component: PCB + electronic components Process: Using TPA3116D2 digital power amplifier chip, integrating efficient heat dissipation Parameters: Output power 2x120W｜Signal-to-noise ratio 100dB｜Power supply voltages DC12-26V (24V recommended) Dimensions: 91.4x68.5x16.6mm Weight: 62 grams Quantity：1/3/5PCS optional Support Two-channel stereo | Suitable for auditory and digital equipment for Home auditory | Car auditory modification | auditory project | Multimedia equipment upgrade Package Includes: 1/3/5PCS TPA3116D2 digital power amplifier board note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.