1 Review (100% Positive) Staycation Sound • 1 month ago. Chao was great to rent to — smooth communication and the Sanken COS-11D lav mics came back in excellent condition. Would rent to them again! See More Owns 2 Sanken COS-11D Lavalier Mics (3.5mm) Rental - LA Get $20 off your first rental Join The Camera Sharing Community