Brand Excellence: this TPA3116 amplifier module ensuring reliability and high performance for every audio enthusiast. Advanced Specifications: Operating on a versatile DC 8-24V power supply, this Class D amplifier board delivers a powerful output of 50W*2 stereo channels plus a 100W subwoofer channel, providing crystal-clear, robust sound quality across all volumes. Design and Build: The module's compact design does not compromise on power, making it ideal for various audio applications. Its efficient layout ensures optimal performance while maintaining a sleek and manageable form factor for easy integration. Safety and Quality: Free from high-concern chemicals, this and pristine audio amplifier module adheres to strict safety and environmental standards, ensuring a safe and sustainable audio experience for all users. Ideal for DIY Audio Projects: Perfect for audio enthusiasts and DIYers, this amplifier board is designed to be user-friendly, supporting a wide range of audio applications from home theaters to custom speaker setups. Description/Features: This amplifier board is designed with an embedded power supply interface featuring reverse protection, ensuring the device does not burn out with reverse connections. It supports dual-channel outputs for 4Ω50W and 8Ω30W speakers, and a bass channel for 2Ω100W speakers, making it ideal for high-power applications. Recommended usage includes a power supply of 24V with a current greater than 5A and 4 ohm speakers to maximize output. Specifications: Chip Type: TPA3116D2*2 Input Voltage: DC 8-24V Output Power: 50W*2+100W (Left/Right Channel + Bass Channel) Sound Channel: Dual Channel + Subwoofer Number of Channels: 2.1 Output Impedance: 4-8Ω Frequency Response: 20Hz-20KHz Features: Power On Delay Anti-Shock Volume Adjustment: Kno