ITEM NAME:1x TPA3116 Digital Subwoofer Bass Board Power Amplifier Board DC 8-25V 100W Description: - Power Supply: DC 8~25V; Output Power: 100W - Size: Approx. 80 x 62 x 22mm - Adopts original TPA3116 high-performance amplifier chip as the core, power filter capacitor uses premium 330UF/35V - The main loop adopts five-ring metal film resistor with accuracy of  ±1%, ensures good signal-to-noise ratio - The PCB adopts 1.6mm thick double-sided plate, 2.0oz thick copper, and solder coating process to ensure good current performance Package Included: 1 Piece Subwoofer Power Amplifier Board.Adopts original TPA3116 high-performance amplifier chip as the core, power filter capacitor uses premium 330UF/35V. 1 Piece Subwoofer Power Amplifier Board. - The PCB adopts 1.6mm thick double-sided plate, 2.0oz thick copper, and solder coating process to ensure good current performance.