UNTESTED.. lost in your favorite books with these PSB Alpha Bookshelf Speakers. Designed for vintage home theater systems, these wired speakers are perfect for Boston or Toronto. The multicolor bookshelf speakers are ideal for any home décor and come untested, making them a great addition to any audio setup. The PSB Speakers brand is known for its high-quality sound and these bookshelf speakers are no exception. With a model name of PSB Speakers, you can be sure that you are getting a great product.