With wireless convenience and excellent connectivity options for various soundbar models, the wireless rear kit enhances your surround sound and elevates it to the next level for a more dynamic entertainment experience. Compatible models: HW-Q70R, HW-Q60R, HW-R650, HW-R550, HW-R450, HW-N400, HW-N450, HW-N550, HW-N650, HW-M360, HW-M450, HW-M4500, HW-M550.