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Item # 423659 | Customer Ratings: Ratings ( 5 Based on 16 reviews)

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Gallien-Krueger MB500 500W Ultra Light Bass Amp Head
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      Gallien-Krueger MB500 500W Ultra Light Bass Amp Head (423659)
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500W of thunder that easily fit in your gig bag.

Weighing in at fewer than 4 lb. and taking up less than one rackspace, the MB500 delivers 500W of signature GK tone in a sleek, compact, modern head. Boasting GK's legendary 4-band active EQ and contour control, the MB500 lets you tweak your tone to perfection before hitting the digital power section.

In addition to its generous tone-shaping capabilities, the preamp section has a footswitchable boost channel with independent volume control to dial in just the right amount of grind and level boost when needed.

The MB500 is stage- and studio-ready with an XLR direct out with pre-/post-EQ selector and ground lift. Also offers a tuner out with mute, FX loop, headphone/line out, and dual Speakon outputs.

Gallien-Krueger MB500 500W Ultra Light Bass Amp Head Features:

  • 500W @ 4 ohms, 350W @ 8 ohms
    Digital power amp
    4-band active EQ with contour switch
    Footswitchable boost channel
    Effects loop
    Tuner out with mute
    -10dB pad for active instruments
    XLR out with pre-/post- EQ and ground lift switch
    Two Speakon outputs
    Headphone/line out
    Footswitch included


Gallien-Krueger MB500 500W Ultra Light Bass Amp Head Specifications:

  • 4 lb.
    Width: 10-3/4"
    Depth: 8-1/2"
    Height: 1-3/4"


Gallien-Krueger MB500 500W Ultra Light Bass Amp Head

2 years on electronics and 1 year on speakers.

Get your gear covered!

Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
Product Reviews
(Based on 16 reviews)
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Viewing Reviews 1 - 3 of 16 |
  • Mighty Mite

    As reviewed by Richard on 7/5/2010

    This is a great little amp. I've used it on 5 gigs so far(2 weeks). It sounds clear and full and weighs 32 lbs less than my old rig. I am also impressed by how coolly it operates. A the end of the gig, it's just luke warm, and I play pretty hard and loud. Overall I would not hesitate to recommend this amp. It was out of stock when I placed my order, but within a day or two I received a shipped notice and had the amp (with free shipping) within a week of placing the order.

    18 of 18 people found this review helpful.
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  • MB2-500

    As reviewed by Christopher on 6/7/2010

    Quite Possibly the best bass amp I have ever owned. I've played it with my P bass, Jazz bass, Peavey cirrus bass, and upright bass and there seems to be no limit to this little monster! It works sonically well with all my bass cabs from a 2x10, to 1x15, and 1x12. If your traveling or need to carry your amp and infant son. this amp does it all! Well worth the money and outdoes my Ampeg Portabass 800!

    18 of 18 people found this review helpful.
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  • Great Amp in Small Package!!!

    As reviewed by Rob Norton on 6/6/2010

    GK really came out with a nice Class D amplifier! The tone is classic GK very similar to the 700/1001RB series of amps, but in a tiny package! For gigs where portability is an issue, this head is just awesome. It is the lightest piece of gear I have including my pedal board! I've played it through both Epifani and Genz Benz cabs on gigs and been happy with it each time.

    5 of 5 people found this review helpful.
    Was this review helpful?
Questions about the MB500 500W Ultra Light Bass Amp Head (423659)


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PO Box 4769
Westlake Village, CA 91359
USA
866-498-7882
 
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