This Russound speaker selector is a great addition to any home audio system. With the ability to connect to a single source, it allows you to easily switch between multiple pairs of speakers. The model 3630-520679 is compatible with the Russound SS-4.2 and is designed to provide high-quality sound.

Please note that this product contains a California Prop 65 warning, as it may cause cancer and reproductive harm. However, with its easy-to-use design and durable construction, it is still a great choice for anyone looking to upgrade their home audio system.