An excellent midi controller that happens to be relatively inexpensive. Let those synths rip!

Official description:

TriplePlay Wireless is the ultimate high-performance MIDI Guitar Controller that seamlessly connects to any device that accepts USB MIDI, including Mac and PC. With lightning-fast tracking, you’re free to make music without bulky cables and closed-system guitar synth pedals. Use Fishman’s advanced VST software to create and control your favorite virtual instruments, up to five simultaneous instruments, or split the instruments across the fretboard in limitless combinations. Connect your guitar’s output with an audio interface to blend amps and effects with virtual instruments while you play. Easily attach the TriplePlay Wireless controller to nearly any electric and acoustic steel string guitar and play MIDI-controlled synthesizers and virtual instruments, adding limitless control to your performance, on stage or in the studio.
TriplePlay Wireless’ hex pickup and onboard hardware provides the world’s fastest and most accurate real-time Guitar-to-MIDI experience. Perform flawless tracking of your guitar with any other instrument, real or imagined. Our new hand-position technology eliminates ghost notes. Chords have never been easier!
Have an iPad©? TriplePlay Wireless now has free access to the TriplePlay Connect iOS© app for exploring the possibilities of MIDI right away. With expansive performance tools like virtual instruments, sequencers, time stretching, loops, arpeggiators, multi-FX and so much more, the Connect iOS app puts everything you need right at your fingertips. (Apple Camera Connection Kit required) Recording / broadcasting from home? Right out of the box TriplePlay Wireless works with any MIDI-enabled DAW, Synth, or other music application on Mac, Windows, Android and iOS, turning your guitar into a true general-purpose virtual instrument controller. Add the TriplePlay Software to expand your MIDI capabilities even further. Or simply explore new soundscapes with our included library of more than 1,500 sounds and instruments. 
Whether you’re a guitar player looking for more variety of musical expression with new sounds, or simply trying to have more fun while practicing or learning to play, TriplePlay Wireless has you covered…and no bulky cables are needed