Hear the Ampeg Rocket Bass RB-115 combo amp in action in this sound sample demo from Ampeg artist Miki Santamaria. Miki Santamaria is a professional bass player, musical director, producer, and teacher with a vast career both live and in the studio. About the Rocket Bass RB-115: The 200-watt RB-115 is an exceptional gigging and recording amplifier with a custom 15" Eminence® speaker. Classic Ampeg 3-band EQ and Ultra Hi/Ultra Lo switches combine with the new Super Grit Technology™ overdrive circ