Lenbrook America, the U.S. distributor for specialty audio/video (A/V) brands NAD and PSB, announced that the Home Technology Specialists of America (HTSA) invited the company to join as a vendor member. HTSA is a national association of leading electronic system technology experts, who service the residential and business markets. The group represents 63 members, 95 storefronts and more than 400 installers across the United States.