This Accurian 6.1 channel Audio Video Surround Receiver, model number 31-5048, is an excellent addition to your home theater system. It has been tested and is in perfect working condition, ready to deliver high-quality sound for all your favorite movies and TV shows. With its Dolby Digital 6.1 surround sound format, this receiver will immerse you in a rich and dynamic audio experience. It is compatible with antennas and has a storage capacity of Y26. This receiver is perfect for anyone looking to upgrade their home audio system.