Skip to main content
Play Video

400RB-IV Bass Amp Head

We're sorry-this item is unavailable.
Contact our experts for a recommendation of great alternatives. Call us at 800-449-9128.

Overview

Warm, clean G-K sound at a working musician's price.

With the Gallien-Krueger 400RB-IV Bass Amp Head the popular 400RB has been increased in power to an efficient 280W. Comes fully loaded with such pro features as a toroidal transformer, 4-band active EQ, sophisticated SOA protection circuits, and a variable-speed fan. At its moderate price, it puts that warm G-K sound within easy reach.

Gallien-Krueger products have 1-year speaker warranties and 2-year electronic warranties.

Features

  • 280W @ 4 ohms
  • Continually variable-speed fan
  • 10dB input pad
  • Mute switch with LED
  • 5/4 string voicing
  • Adjustable contour
  • Presence voicing
  • Bass specific 4-band active EQ
  • Boost and master volume at output
  • Direct out: XLR, ground lift, and pre/post switches
  • Patching: send, return, and tuner out
  • 2 - 1/4" speaker jacks
  • 15 lbs.
  • 17-1/2"W x 3-1/2"H x 8"D
Shop with a Friend
Free Shipping
  • Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
  • Orders placed before 3 p.m. ET usually ship the same business day.
Learn More
2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details
We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us
Proactive Advisor Support Chat