This Roadie 2 Double Bass Coupler is a perfect addition to your music accessories. Designed for custom use, this coupler is an ideal choice for parts and accessories enthusiasts who want to enhance their musical experience. The brand name Roadie is synonymous with quality and reliability, making this coupler a great investment for your music gear collection. Whether you are a guitarist or a bassist, this coupler is a must-have accessory that will help you achieve the perfect sound. The coupler is specifically designed for double basses and is compatible with a range of musical instruments and gear. Its sleek design and durable construction make it a great choice for both professional and amateur musicians. With this coupler, you can easily connect your double bass to your amplifier or mixer, allowing you to create a smooth and seamless sound that will impress your audience. Don't miss out on this fantastic opportunity to take your music to the next level! Likely corrosion in the battery compartment. Boards look in good shape.