This Crestron SWAMPE-4 Multi Zone Amplifier is the perfect solution for expanding your home audio system. With the ability to connect to up to four zones, you can enjoy your music in multiple rooms at once. This amplifier also boasts a sleek design and high-quality sound that will enhance any home audio setup. Its compatibility with various audio sources and its easy-to-use interface make it the ideal choice for anyone looking to upgrade their home audio system.Unit has been pulled from a working environment as we have upgraded our home system. In great condition, with NO cosmetic or technical issues.