Part number:1 Welcome to my store , Hope you have a pleasant shopping trip!Description:It is a Bass Front Tone Board for Power Amplifier Module BBE2150AD Sound Effect Tuning.Feature: 1>.Three switches to contrnol the sound effects 2>.Using BBE technology to greatly improve the sound qualityParameter: 1>.Model: XH-A906 2>.Product name: BBE sound effect beautification board 3>.Function type: pre-stage tuning board 4>.Chip model: BBE2150AD 5>.Power supply voltage: DC 12-24V 6>.Work temprature-20~85 7>.Work huimidity: 5%~99% 8>.Size: 66*38mmPackage List: 1 x Bass Front Tone Board 1 x Power Cord 1 x Nut 1 x Spacer 1 x KnobNotes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow 1-2cm slight dimension difference due to different manual measurement. 3 Switches to Contrnol the Sound Effects. Using BBE Technology to Greatly Improve the Sound Quality. The Power Supply Voltage Is DC 12-24V, and A Stable Power Supply Is Required. Suitable For Sound Effects Tuning. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. 3 Switches to Contrnol the Sound Effects. Using BBE Technology to Greatly Improve the Sound Quality. The Power Supply Voltage Is DC 12-24V, and A Stable Power Supply Is Required. Suitable For Sound Effects Tuning. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.