Features: 1. High Power Output: The TPA3255 mini amp home theater features the efficient TPA3255 chip and a four-channel design, allowing it to drive multiple speakers or sound systems simultaneously, providing higher volume and a broader soundstage. 2. Premium Sound Quality: This DIY sound speaker amplifier audio board utilizes advanced digital audio processing technology to achieve low distortion, high signal-to-noise ratio, and wide-bandwidth response, ensuring high-fidelity audio reproduction. It also supports high-resolution audio for detailed and lifelike music and sound. 3. Stability and Reliability: The TPA3255 digital power amplifier board incorporates high-quality electronic components and a carefully designed heat dissipation system. It effectively reduces operating temperatures, maintains stable performance, and offers protection against overload, overvoltage, and overheating. This allows for stable operation even under prolonged high loads, extending the lifespan of the equipment. 4. Superior Craftsmanship: The hifi power amplifier module is built with precision surface mount resistors, ensuring excellent signal-to-noise ratio. It uses dedicated audio inductors to deliver crisp and powerful sound. The PCB features a 1.6mm thick double-sided material with a 2.0-ounce copper thickness, along with full tin spraying, guaranteeing excellent current flow for both small and large currents. 5. Easy Installation: The TPA3255 high power audio amp board is designed for easy installation and compatibility with audio setups. making it suitable for space-constrained installations and portable applications. The DC24-48V switch power supply allows for flexible power . Specification: Capacitor: 470UF/50Vx4 Chip: TPA3255 Working Mode: Class D Static Current: 150mA Operating Efficiency: .Greater than90% Output Power: 315W/4, Distortion 10%x4 185W/8, Distortion 10%x4 260W/4, Distortion 1%x4 150W/8, Distortion 1%x4 Frequency Response: 20Hz to 20KHz Dynamic Range: Greater than100 dB Signal-to-Noise Ratio: () 111dB Operating Voltage: DC24-48V switching power supply (DC) Material: plastic colour: Black Package Contents: 1 x Audio Amplifier Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.