Metallica guitarist Kirk Hammett helped design the Randall RS412KHX 4 x 12 signature guitar speaker cabinet. This Randall cabinet includes 2 different Celestion speaker types for wider frequency response that projects bigger, broader full-range tone. 2 Celestion Vintage 30s provide clarity and definition, and 2 Celestion G12T-75s fatten the lows and strengthen mid-range projection. This guitar speaker cabinet also includes the stereo or mono Mic Eliminator XLR direct outputs for live sound or isolated recording.