
Tom Bowlus, Bass Gear Magazine, Interview with John Files about GR Bass Amplification


GR Bass PureDrive DI, Overdrive, EQ, Tuner & Preamp Pedal Product Overview

GR Bass DUAL800 & DUAL1400 Series Amplifier Rundown and Feature Set

GR Bass ONE800 Amplifier & GR212 Speaker Sound Samples w/ Different Bass Sounds



GRBass Speaker Cabinet Comparison – #3 Elrick NJS5 Fretless (E-C) w/ Roundwounds
