This pair of Acoustic Research AR402B speakers is perfect for both indoor and outdoor use. They have been tested and confirmed to be in working order. These speakers are wired and have a rectangular shape, with a sleek black color that will complement any setting. The model number is AR402B, and they are designed for use with a variety of consumer electronics devices. Whether you’re hosting a party or taking a picnic to the park, these speakers are sure to provide high-quality audio for all your music needs.