GFX15 Crate 8" Speaker 12+ Watts RMS FlexWave Evolution Five Preamp Two-Channel Operation External Speaker Jack Headphone Jack Digital Reverb, Delay, Flange, Chorus, and Multi-Effects 13" x 13.5" x 8.25" 15 lbs. GFX20 Crate 10" Speaker 20 Watts RMS FlexWave Evolution Five Preamp Two-Channel Operation Headphone/Line Out Jack External Speaker Jack Digital Reverb, Delay, Flange, Chorus, and Multi-Effects 15" x 16.75" x 9.5" 21 lbs. GFX30 Crate 12" Speaker 30 Watts RMS FlexWave Evolution Five Preamp Two-Channel Operation Headphone/Line Out Jack External Speaker Jack Digital Reverb, Delay, Flange, Chorus, and Multi-Effects 18.5" x 19.5" x 11" 24 lbs. GFX50TT Crate/Custom L 12Ó Speaker 50 Watts RMS FlexWave Evolution Five Preamp Two Independant Channels Dual Headphone Jacks RCA CD Inputs with Level Dual Effects Send Digital Reverb, Delay, Flange, Chorus, and Multi-Effects DSP Mode and Level 17.5Ó x 20Ó x 11Ó 34 lbs. GFX65 Crate/Custom L 12Ó Speaker 65 Watts RMS FlexWave Evolution Five Preamp Three-Channel Operation Effects Loop External Speaker Jack Dual Lead Gains Digital Reverb, Delay, Flange, Chorus, and Multi-Effects Digital Effects on Board 17.5Ó x 20Ó x 11Ó 34 lbs. GFX120/GFX212 Twin Crate/Custom L 12Ó Speaker 120 Watts RMS FlexWave Evolution Five Preamp Three Channel Operation Effects Loop External Speaker Jack Dual Lead Gains Digital Reverb, Delay, Flange, Chorus, and Multi-Effects Digital Effects on Board 21Ó x 26.5Ó x 11Ó 50 lbs.