This refurbished CD control board 345156-0050 is the perfect replacement part for your Bose Wave Music System IV. With a 1 year warranty, you can trust in its quality and reliability. The green color adds a pop of vibrancy to your music system, while the infrared connectivity allows for easy use from a distance. The 4th generation model ensures the latest technology and the DIGITRADIO product line ensures compatibility with other devices. Purchase this unit with confidence and enhance your music experience.