USB Class compliant, no driver is needed for:
Apple iOS, Apple OSX, Windows XP, or higher, Linux (MIDI driver software required)
Mac OS X 10.7 or higher, Windows Vista, 7 & 8 or higher
Impact GX49:
Dimensions: 31 5/8″(L) x 7 3/4″(D) 2 3/4 “(H)
Weight: 4.8 Lbs
Impact GX61:
Dimensions: 38″(L) x 7 3/4″(D) 2 3/4″(H)
Weight: 6 Lbs
Yes, transacoustic guitars tend to be more expensive than regular acoustic guitars. The additional technology that allows them to produce effects without external equipment increases the cost. However, prices vary depending on the brand, model, and features offered.