100% brand new and high quality Dual Channel preamp tone board, suitable for use with power amplifier, can achieve audio amplification and high, medium and bass adjustment, so that you have a better listening experience. Multiple protections: power input reverse protection, short circuit, over current, over heat, over voltage, low voltage, EMI. High Quality Material: Made of high quality ABS, stable, firm and durable. Application: Good performance, convenient and practical, suitable for home and professional use. Lightweight Size: Portable and small size, easy to store and carry, bring you convenience. Material: ABS Color: As the Picture Shows Net Weight: 90g/0.20lbs Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 1x 2x100w Dual Channel Hifi Power Amplifier Single Board