Sire R3 GZ Grand Auditorium 6-String Acoustic Guitar – Rosewood Fretboard – Natural Overview :SIRE R3 is an entry level acoustic guitar with solid spruce top that is tuned with precision for superior sound.However the R3 specs might not be too unique or impressive as one can expect more from revolutionary SIRE Company.So we’ve included premium SIRE Zebra 7 original or Zebra 7 SIB preamp system with the R3 Acoustic guitar at no extra charge.This high-quality preamp system comes standard with all SIRE R3 that is priced at an entry level acoustic guitar. We are convinced that high quality Zebra 7 preamp system alone has value of $300. Below is detailed information and specifications for the SIRE Zebra preamp system.The zebra 7 pickup system was developed once we decided that SIRE all solid rosewood acoustic guitar would be themain and representative SIRE acoustic guitar. Most well-tuned high end acoustic guitars do not come with onboard preamp installed.The reason is simple.No true acoustic guitar player would want to cut a large hole in the wood to have a preamp installed on the side of the guitar. That would not only be damaging to the guitar but compromise the sound quality as well. Retaining the guitar in its purist form is what most player’s desire for this reason, to keep it natural.ZEBRA 7 ORIGINAL FEATURES