The Bose Link AL8 Transmitter & (3) Wireless Receiver is a premium audio system designed for the Bose Lifestyle System. With a frequency range of 2.4 GHz and a sleek black color, this unit features Bluetooth wireless technology for easy connectivity. It is compatible with the AL8 model and offers a wired output connection with DIN audio inputs. Made by the renowned brand Bose in the United States, this transmitter and receiver set ensures high-quality sound transmission for your audio needs.