5565915933573120 Luen Hing Electrical(HK)Limited AudioQuest RCA Noise-Stopper Caps (Set of 10) RCA 屏蔽防塵保護蓋 (1套10件) To reduce the amount of RF interference entering your system we recommend “capping” all unused RCA and XLR inputs. RCA Noise-Stopper Caps Product #: luenhingelectricalhk-AudioQuest RCA Noise-Stopper Caps (Set of 10) 2022-10-27 Regular price: $HKD$420.0 Available from: Luen Hing Electrical(HK)LimitedIn stock