Check the listing for details. Vanco Evolution IR Signal Analyzer (New Old Stock). Condition: New. Listed at 110.00 USD. Vanco Evolution IR Signal Analyzer (New Old Stock) This sale is for a Vanco Evolution IR Signal Analyzer, Frequency, Strength, Voltage & Pinout EVIRTEST. his is new in the original box. Ideal for testing IR frequency, strength, voltage & pinout. Point & shoot IR testing. Hand Held IR Signal AnalyzerIdeal for troubleshooting IR signal deficienciesPinpoints IR signal voltage measurement Who We Are:Audio Exchange is Richmond's premier audio and video specialists, operating since 1978. We are a brick & mortar retail store located in Richmond, VA. We have been involved in carrying the best U.S. made (McIntosh, Rogue, Nordost & more) and hand-picked imported equipment (Sonus Faber, Focal, ClearAudio & more). Please see our ebay reviews from our previous customers.If you have any further questions, please feel free to call us directly.