The Japanese-made RSP20 features carbon reinforcement in the neck and chambered body, dual humbucking pickups, 5-way switching, and a Focus Switch, providing exceptional versatility. Revstar Professional guitars feature chambered bodies designed to sculpt tone and reduce weight, with carbon reinforcement in the body and neck to improve vibration transfer. Versatile 5-way switching where positions 2 and 4 slightly delay the opposite pickup for a subtle phase shift that offers a fresh take on classic “in-between” sounds. The push/pull Tone control activates a passive boost with an effect similar to overwound pickups—darker highs, increased mids and lows, and an aggressive character. RSP20 and RSP20X feature humbuckers, and RSP02T offers P90-style single-coils. All pickups are custom designed by Yamaha and use Alnico V magnets for powerful tone. The Initial Response Acceleration process applies specific vibrations to release stresses between an instrument’s components, resulting in a new guitar with “played-in” sound and feel.