Specification Brand : Jolooyo BulletPoint1 : Use eight origin amplifier tube A1943, C5200 subwoofer amplifier board, Frequency 30HZ-200HZ (can be adjusted) BulletPoint2 : Power Supply: dual AC 30V-35V, BulletPoint3 : Output Power:400W BulletPoint4 : Max Output Power: 600W BulletPoint5 : Suitable for 15 inch - 18 inch Mono bass trumpet IncludedComponents : 1pc High power Active subwoofer pure bass Power Amplifier board ItemName : High Power Active Subwoofer Pure Bass Power Amplifier Board 400w 30hz-200hz ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 11 centimeters ItemTypeKeyword : electronic-component-audio-amplifiers Manufacturer : Jolooyo Material : Plastic ModelName : POCREATIONxbzhye1tvo ModelNumber : D364 MountingType : Surface Mount NumberOfChannels : 2 NumberOfItems : 1 PartNumber : D364 ProductDescription : Product description Specifications: Use eight origin amplifier tube A1943, C5200 subwoofer amplifier board, Frequency 30HZ-200HZ (can be adjusted) Power Supply: dual AC 30V-35V, Output Power:400W Max Output Power: 600W Suitable for 15 inch - 18 inch Mono bass trumpet Note: This is amplifier for DIY fun. only for professional. all information has already printed on the pcb board such as where to connect the in and output power, where connect the speaker. if you do not know how to assemble components or cannot read the pinpoint on the pcb board, we suggest you get more information before you buy. this will save a lot of money and time for you. Package Content: 1pc High power Active subwoofer pure bass Power Amplifier board 400W 30HZ-200HZ ProductSiteLaunchDate : 2017-10-26T08:37:59.597Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 Voltage : 24 volts