The AR Acoustic Research AW871 Wireless Stereo Speaker is a premium audio device that allows for wireless connectivity, providing a streamlined and sleek listening experience. With the included transmitter and cords, users can easily set up and enjoy high-quality sound from their favorite sources. The Acoustic Research brand is known for its superior sound quality and durability, making this speaker a reliable choice for those seeking a premium audio experience. AR Acoustic Research AW871 Wireless Stereo Speaker w/Transmitter & Cords. LEFT & RIGHT SPEAKER. WITH 3 OEM AR POWER CORDS. Tested and works –excellent sound and shape.