Moondrop introduces a dedicated replacement designed acoustic nozzle exclusively for Chu II IEMs. Crafted for precision, these acoustic nozzles help maintain optimal sound quality and restore the original tuning of your IEMs over time. Ideal for users who want to refresh worn-out or damaged nozzles, this kit includes two pairs of high-quality nozzles (without filters) and ensures a secure fit and consistent acoustic performance. Note : this product is only compatible with Moondrop Chu II and does not fit other IEM models.