Exhibit 16.1 TULLIUS TAYLOR SARTAIN & SARTAIN February 15, 2006 Securities and Exchange Commission Washington, D.C. 20549 Commissioners: We have read ADDvantage Technologies Group, Inc.'s statements included under Item 4.01 of its Form 8-K for February 13, 2006, and we agree with such statements concerning our Firm. TULLIUS TAYLOR SARTAIN & SARTAIN LLP Tulsa, Oklahoma