Normally I do all my calling with mouth calls or hand calls.. However I got me a Primos Alpha Dogg caller. wow does that thing work great for predators.... I purchased it for coyote hunting but I have been doing well on fox with it...I do have all kind of electronics, 2 Foxpros, Primos Power Dogg, A few Stewarts, lohman, boombox, Kirk, ...I am really impressed with this Primos Alpha Dogg!!!!!!