Posted on April 15, 2019GR BASS ONE800 & GR212 SPEAKER CABINET REVIEW – PREMIER GUITAR MAGAZINE, APRIL 15, 2019
Posted on January 30, 2019GR Bass Cube 800 | Review – Dan Veall; Guitar Interactive, January 23, 2019
Posted on August 1, 2016October 17, 2020GRBASS ONE700 BASS GUITAR AMPLIFIER REVIEW – BASSTHEWWORLD, AUGUST 2016