Elevate your audio experience with the 10-24V Super Heavy Bass Preamp Board. This pre-assembled board is specifically designed to deliver powerful low-frequency effects, allowing you to fully in the . Its wide voltage input range ensures compatibility with different power supply sources, making it versatile and adaptable. Features -Color:Green -Material:FR-4 fiberglass board, copper -Size:8.00X5.00X2.00cm/3.14X1.97X0.79in -Power supply voltage: 10-24V power supply -Frequency range: 22Hz-300Hz -Audio input: mono or -Audio Output: mono audio -Distance between the center of the fixing holes: 70x24mm -Hole diameter: 3.2mm -Potentiometer shaft center spacing: 32.5mm -Note: The accessory is in random color. - Practical audio mixer, this amplifier Board can provide precise and clear sound adjustment - Built-in preamp, ensuring high fidelity sound. User-friendly design with rotary knob for easy operation - Easy to install and , suitable for various occasions. Compact and portable, convenient for storage and transportation - The excellent production process makes it have a good texture, can be used for a long time, and will not be easily damaged -Benefit from effort-saving features and an extended lifespan with the non-amplifier board design Package list: 1 amplifier