XR1075 is suitable for popular improvement of desktop sound effects, power amplifier, speaker, DIY production of exciting sound board, the effect is very good, is also with digital power amplifier, car power amplifier, 2.1 subwoofer and other active speakers upgrade the .(wide voltage 9v-24v can work normally) Ultra-thin design, easy to install, not afraid of no space (the smallest and thinnest of the same mass) Wide voltage operation non-heating design (single power supply is more convenient to use) 5 capacitor parallel filtering, pure power supply and XR1075 better working environment (exclusive use) A variety of interface options, more convenient connection line and use, more DIY and play Increased volume control, more convenient to control the working state (this board design has a short circuit point can directly jump the volume potentiometer or open the volume to the maximum, the effect is the same as no volume potentiometer, compared with other businesses is equal to send potentiometer, and good control working state, more playability and DIY) In order to facilitate the connection in and out of the case, two kinds of connection interfaces are designed.External use for the external version, all with a variety of seat connection, choose the most suitable one. Color: Picture color material: metal Different production batch numbers Package Contents: 5 x Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.