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