This is a NON-WORKING logic board that is being sold strictly for parts in as-is condition. The board is not repairable and for that reason is being sold for scrap for harvesting components. Many of the components on the board will be good, but as this is a non-working board, we can make no guarantees about the condition or presence of specific components on the board. Please note there may be evidence of corrosion, liquid damage and dirt. We do not have an exact history for each of the boards to know what individual issues were in the past. NON WORKING FOR PARTS SOLD AS IS NOT RETURNABLE Manufacturer Part #: 820-3115-B Brand: Bose Compatible With: N/A Suggested Items for Installation: N/A Condition: Non-Working This is a NON-WORKING logic board that is being sold strictly for parts in as-is condition. The board is not repairable and for that reason is being sold for scrap for harvesting components. Many of the components on the board will be good, but as this is a non-working board, we can make no guarantees about the condition or presence of specific components on the board. Please note there may be evidence of corrosion, liquid damage and dirt. We do not have an exact history for each of the boards to know what individual issues were in the past. Warranty: No Warranty Available