Enhance your audio experience with this high-performance Digital Sound Amplifier Board, designed specifically for subwoofer applications. Featuring a built-in preamplifier, bass crossover, and bass volume potentiometer control, this amplifier board is ideal for DIY speaker projects and professional audio setups. Powered by the advanced TI TPA3116D2 digital amplifier chip, it delivers clear, powerful sound with exceptional efficiency and reliability. Key Features: · Multi-Functional Design: Combines subwoofer power amplification with preamplifier, bass crossover, and bass volume control, providing precise audio customization for superior sound quality. · Professional-Grade Amplifier Chip: Equipped with the TI TPA3116D2 digital power amplifier chip, ensuring high fidelity audio output and optimal performance for 2.0 amplifier systems. · Wide Operating Voltage & High Efficiency: Supports DC 12-24V power supply with power-saving technology, achieving up to 90% efficiency and delivering up to 100W output power for the bass channel. · Broad Compatibility: Compatible with various power sources including switching power adapters, notebook power supplies, rectifier filter transformers, charging systems, and vehicle power supplies, offering versatile application options. · Stable and Durable Construction: Manufactured with high-quality PCB materials and components to ensure stable performance, long-term durability, and easy installation. · Frequency Range: Input frequency range of 20Hz-20KHz and output frequency range of 20Hz-180Hz, perfectly tailored for subwoofer sound reproduction. · Subwoofer Impedance Support: Compatible with subwoofers rated between 2Ω and 8Ω, ensuring flexible integration with a variety of speaker setups. Specifications: · Item Type: Amplifier Board · Material: PCB · Input Voltage: DC 12-24V · Output Power: 100W (Bass Channel) · Input Frequency: 20Hz-20KHz · Output Frequency: 20Hz-180Hz · Sound Input Sensitivity: 500mV · Subwoofer Impedance: 2-8Ω Package Includes: · 1 x Digital Sound Amplifier Board This Digital Sound Amplifier Board is the perfect choice for audio enthusiasts and professionals seeking a reliable, efficient, and easy-to-use subwoofer amplifier solution. Its multifunctional features and robust design make it an excellent addition to any custom speaker or audio system, delivering rich bass and enhanced sound clarity.