ITEM NAME:2 Pcs Digital Power Amplifier Board Module 35W Mono Amplifier Module High-P E4L8 2 Pcs Digital Power Amplifier Board Module 35W Mono Amplifier Module High-P E4L8 This board uses the high-performance TDA8932 digital power amplifier chip, which has small size, high efficiency, high power, good sound quality, and does not need to install additional radiators. It is very suitable for the application of active speaker reconstruction, electro-acoustic engineering implementation, and sound product development. Working voltage: single DC10 ~ 30V, 24V voltage is recommended, switching power supply with current above 2A Output power: 35w * 1 Speaker impedance: 4-8 ohms, best 8 ohms Circuit structure: mono BTL output colour:blue Material:ABS size:Single about: 45 * 31 * 10mm Package Contents: 2 * Amplifier Board Module.Output power: 35w 1. 2 Amplifier Board Module. Circuit structure: mono BTL output.