Gallien Krueger 400 RB IV

The rugged and lightweight Gallien-Krueger 400RB-IV bass head serves up 280 watts into 4 ohms. Shape your tone with the onboard contour and presence controls, tweak your sound to perfection with the 4-band active EQ, and dial in the perfect amount of growl with the boost knob. Voice the amp for either 4- or 5-string basses with the String Bass button. With its high current capacity, the 400RB-IV doesn’t need current limiting circuits which rob your sound of natural transients, leaving you with unresponsive mushiness. With the Gallien-Krueger 400RB-IV, you get unadulterated GK power.

Gallien-Krueger 400RB-IV Bass Amp Head at a Glance:

• Tweak voicing for 4- or 5-string bass with the String Bass button
• G.I.V.E. technology gives you punchy GK tubularity
• Shape your sound with 4-band active EQ, contour, presence, and boost

Tweak voicing for 4- or 5-string bass with the String Bass buttonThe 400RB-IV lets you effortlessly switch between instruments at will. A 5-string bass requires entirely different low end amp response than a 4-string instrument. Equalizers cannot accommodate this fundamental voicing difference, but the 400RB-IV’s String Bass button does just that.

G.I.V.E. technology for punchy tubularityThe Gallien-Krueger 400RB-IV bass head employs GK’s G.I.V.E. (Gate Induced Valve Effect) technology, which lends just the right amount of tubularity and grit to your bass, while proprietary voicing filters and intuitive 4-band active EQ let you zero in on your signature sound quickly and easily. The 400RB-IV delivers classic GK tone in a compact, lightweight package.

Shape your sound with 4-band active EQ, contour, presence, and boostThe Gallien-Krueger 400RB-IV gives you complete control over your sound. Sculpt your tone with the 4-band active EQ, contour, and presence controls, and then add just the right amount of growl with GK’s boost control. All the tools you need to dial in your perfect bass sound are onboard the Gallien-Krueger 400RB-IV.

Gallien-Krueger 400RB-IV Bass Amp Head Features:

• Tweak voicing for 4- or 5-string bass with the String Bass button
• G.I.V.E. technology gives you punchy GK tubularity
• Shape your sound with 4-band active EQ, contour, presence, and boost
• Direct-out lets you run directly into a PA or recording console
• Extremely high current capacity
• Smart protection circuitry
• Cool running reliability
• Low noise operation

The Gallien-Krueger 400RB-IV is your ideal club head!