Check the listing for details. TECH 21 Richie Kotzen Signature Fly Rig® RK-5 V2. Condition: New. Listed at 539.28 USD. The Richie Kotzen RK5 Signature Fly Rig was developed in close collaboration with its namesake, whose input was invaluable. Since the debut of the first RK5 in 2014, Richie's needs have changed both on tour and in the studio, in songwriting and in rehearsals. Therefore, TECH 21 worked with him to develop version 2, which contains some new functions. The delay with tap tempo, the rich boost and the Richie Kotzen signature OMG overdrive have remained. The new functions include an independent reverb with selectable room size, a rotary effect, compressor, fuzz, a tuner, a jack output (switchable between headphone and line operation) and an XLR output. Another innovation is the on/off switch for the SansAmp section, for example to switch between amp and DI operation in no time. By the way, all.