Tag: NS-IW660

YAMAHA NS-IW660 In-Wall Speaker Owner’s Manual CONSUMER PRECAUTIONS Read these precautions carefully before installing your NS-IW660 speaker. Before you begin installation, read this owner’s manual and consult your local building codes. If you have any doubts or reservations, contact your dealer or a qualified audio/video installer. YAMAHA recommends installing the speaker only in two-by-four wood…