Original OEM part. Keep your Bose Lifestyle system powered up with this original Bose PS71 AC Adapter. Designed specifically for the Lifestyle 20, 25, 30, 40, and 50 models, it ensures your music center remains energized for those moments when the power goes out. The power pack is a must-have accessory for any home audio enthusiast who values reliability and quality. This adapter comes from a reputable brand known for its high-quality audio products, and it's not part of a custom bundle, ensuring you get the exact power supply you need for your system. The compact design makes it easy to store, and the convenience of having a spare on hand is priceless when you need it most.