Performance Dual TPA3116D2 HiFi Amplifier Board Equipped with dual stereo TPA3116D2 HiFi chips, delivering powerful and clear audio performance with continuous power operation. Total Harmonic Distortion (THD) ≤ 0.1% for accurate sound reproduction. Wide DC input voltage range from 12V to 24V, ensuring flexible compatibility with various power supplies. Sound Control Integrated treble and bass adjustment knobs allow you to precisely shape your audio output. Ideal for achieving cinematic sound effects, enhancing both and low frequencies to match your listening preferences. Bluetooth 5.0 and AUX Connectivity Bluetooth 5.0 technology provides fast, stable, and longrange wireless audio transmission up to 49 feet in open spaces. AUX input via 3.5mm headphone jack offers a reliable wired connection for devices without Bluetooth capability. Comprehensive Safety Protection Builtin overheat protection safeguards against excessive temperature during prolonged use. Circuit protection prevents damage from electrical faults. Overvoltage and undervoltage protection ensures stable and safe operation. Product Applications Upgrade your home audio system with HiFiquality sound and versatile connectivity options. Integrate into DIY speaker projects for both enjoyment and professional setups. Use in small event or workshop environments where clear audio output and flexible connectivity are essential. Specifications Audio Chip: Dual TPA3116D2, stereo dualchannel output THD: ≤ 0.1% Voltage Input: DC 12V24V Connectivity: Bluetooth 5.0, 3.5mm AUX input Protection: Overheat, circuit, overvoltage, undervoltage This amplifier board delivers clean, powerful sound with controls and multiple input options, making it an choice for both audio enthusiasts and practical sound system builders.