Performance DIY Power Amplifier Board with Cooling Fan Designed for beginners and audio enthusiasts, this amplifier board offers simple wiring and reliable performance for your speaker projects. Built with quality components and an effective cooling system, it delivers powerful, clear sound for a variety of applications. Key Features: Simple wiring setup makes it ideal for DIY beginners and quick installations. Builtin cooling fan ensures efficient heat dissipation for stable, longterm use. Equipped with 6 disassembled power amplifier tubes for audio output. Includes 2 large disassembled capacitors for strong, stable power supply. Four tubes handle left and right channel output, while two tubes power the dedicated subwoofer channel. Easytouse potentiometers for precise control: 1. Subwoofer volume 2. Treble adjustment 3. Total left and right channel volume Working voltage: AC 1824V (24V recommended for maximum performance). Maximum output power: Left and right channels: 100W x 2 Subwoofer channel: 120W x 1 Output impedance compatibility: 416 ohms. Benefits and Advantages: Clear separation of channels for balanced stereo sound and powerful bass. Adjustable sound parameters allow you to finetune audio for any environment. Strong build and effective cooling mean reduced overheating and extended component life. Compatible with a wide range of speaker setups due to flexible impedance range. Practical Applications: 1. DIY home stereo amplifier projects for quality listening. 2. Custombuilt audio systems in workshops, studios, or entertainment areas where balanced stereo and deep bass are desired. 3. Upgrading older or lowerpowered amplifier boards to improve clarity, volume, and bass response. With its straightforward design, durable components, and powerful output, this amplifier board is a dependable choice for anyone building or upgrading an audio system.