Gives you an all-tube preamp, 4-band EQ, and 500W of power.

The 500W Gallien-Krueger MB Fusion tube preamp incorporates the same all-tube preamp of the GK Fusion 550 and maintains the amazing portability of the MB2-500. The ultra-light bass amp delivers 500W at 4 ohms, 350W at 8 ohms, and is equipped with an all-tube, 3x12AX7 preamp. The GK MB Fusion bass head also has a 4-band active EQ, variable contour with mid frequency select, and Deep and Bright switches, so you've got total tonal control.

Gallien-Krueger MB Fusion 500W Tube Preamp Ultra-Light Bass Amp Head Features:

• 500 watts @ 4 ohms, 350 watts @ 8 ohms
• All tube preamp (Three 12AX7s)
• 4-band Active EQ
• Variable contour with mid frequency select
• Deep and Bright switch
• Mute switch
• Active/passive switch (-14dB)
• Effects loop
• Tuner out
• XLR out with pre/post EQ and ground light
• 2 Speakon outputs
• 4 lb.

Get portable, powerful tone that goes wherever your sound takes you—add the MB Fusion to the cart now.