Mesa/Boogie Bass Prodigy Four:88 250-watt Tube Bass Head

250/125-watt Tube Bass Amp Head with Normal and Vintage Inputs, XLR Line-out, and Tuner Out
Mesa/Boogie Bass Prodigy Four:88 250-watt Tube Bass Head image 1
Mesa/Boogie Bass Prodigy Four:88 250-watt Tube Bass Head image 1

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Mesa/Boogie Bass Prodigy Four:88 250-watt Tube Bass Head
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Serious Tube Bass Tone in a Versatile, Compact Package

The Mesa/Boogie Bass Prodigy Four:88 amp head puts you in command of serious bass tone. With four KT88s in its engine room, the Bass Prodigy gives you that heady sense of big air you can only get from a tube bass amp. At full power, this compact beast puts out the loudest 250 watts you've ever experienced. Flip the full/half power switch, and you have a studio-friendly 125 watts. You get inputs voiced for normal and vintage, fixed bias for maintenance-free operation, and copious tone shaping, courtesy of the Mesa/Boogie Bass Prodigy Four:88's active/passive semi-parametric EQ.

Mesa/Boogie Bass Prodigy Four:88 Bass Amp Head at a Glance:
  • Huge tube bass sound from a smallish box
  • Full/half power switch gives you major versatility
  • Loaded with features
  • Mesa/Boogie's warranty: the best in the business
Huge tube bass sound from a smallish box

The Mesa/Boogie Bass Prodigy Four:88 head is proof that big sound comes in smallish packages. With three 12AX7 preamp tubes and four KT88s in the power section, the Bass Prodigy Four:88 serves up the harmonically rich, huge-sounding bass tone that you can only get from pure tube amps.

Full/half power switch gives you major versatility

Mesa/Boogie's Bass Prodigy Four:88 lets you choose to use all four power tubes (producing 250 watts) or just two of them (which gives you a recording or small-club friendly 125 watts). And don't forget that we're talking tube watts here - they're much, much louder than wimpy solid-state watts!

Loaded with features

Mesa/Boogie has packed their Bass Prodigy Four:88 head with a host of features to make your life on the road easier. You get fixed bias for dependable, maintenance-free performance, an external switching jack, two tuner outputs, fan cooling, and even an included slipcover.

Mesa/Boogie's warranty: the best in the business

Your new Mesa/Boogie amp is protected by Mesa/Boogie's transferable warranty: five years on the electronics, three years for speakers, and six months for tubes.

Mesa/Boogie Bass Prodigy Four:88 Bass Amp Head Features:
  • Huge tube bass sound in midsize lunchbox form
  • Normal and vintage inputs give you a stylistic choice of voicings
  • Pull Boost switch lets you add a slight overdrive to aggressive grind
  • External switching jack for mid-voice, solo, FX loop, and tuner mute
  • Optional 4-button footswitch (mid-voice, solo, FX loop, mute) with alternate tuner-out jack
  • Balanced XLR line-out
  • 2 tuner outputs: back panel and footswitch (4-button footswitch sold separately)
  • Fan cooled; slipcover included
  • Important Notice for International Customers: Mesa/Boogie products sold by Sweetwater are intended for use within the United States. We are unable to ship any Mesa/Boogie products outside of the US.
When only tubes will do, choose the Mesa/Boogie Bass Prodigy Four:88 amp head!

Additional Media

Bass Guitar Amp Buying Guide

Tech Specs

Type Tube
Number of Channels 1
Total Power 250W/125W, Class A/B
EQ 3-band (Active/Passive)
Preamp Tubes 3 x 12AX7
Power Tubes 4 x KT88
Inputs 1 x Instrument (Normal, Vintage Switchable)
Outputs 3 x Speaker, XLR Line Out
Footswitch I/O Yes
Effects Loop Yes
Height 7.5"
Width 16.25"
Depth 9.5"
Weight 29 lbs.
Manufacturer Part Number 2.PROD

Customer Reviews

Based on 8 reviews
Write your review


I bought this head from Sweetwater about a month ago. I started playing bass in 1979. Over the years I have owned just about every brand you can think of "including Mesa". This thing is by far the most musical head I've ever had the privilege of playing through. It's fat, clear, and defined. I really like the weight "or should I say the lack of weight" for a tube head. I have pushed a couple of different cabs with this little monster, and have failed to get a bad tone. I know everyone always says "this will be the last piece of equipment that I will ever buy"... but, I truly believe that's the case with this thing. Don't worry about the power rating. This thing has headroom for days. I can not praise this this head enough. I know it's a little pricey, But knowing what I know now.... I would pay even more for it. A lot more!

The Real Deal

After my Prodigy was delivered the D800 now sits in it's bag as a backup. This amp is by far the best sounding and most enjoyable amp I have ever played. I run it through many different cabs but the Subway 12's are my go to cabs for gigs. You just can't beat the all tube goodness of this amp. Not a class D amp out there that can match this bad boy. I just love the blue glow on a dark stage.


Sounds absolutely great. What tone, warmth, cuts thru the mix in style. lots of headroom. plenty loud!!!!

powerful and toneful

i've been eyeing this head for about a year now, planning on upgrading from a markbass big bang that i've been gigging with for 3 or 4 years. the markbass has been a great amp. very reliable, lightweight and delivers a tight sound, but i've been looking for a little more heft in the low end, as well as the potential for a little more grit. well, i found it in spades in the mesa/boogie prodigy 4:88. my main bass is a G&L ASAT tele-style and i am currently pairing the head with the mesa powerhouse traditional 4x10 cab and have only played it out on one gig, but i was so pleasantly surprised at how well it did what i expected it to. there was plenty of low end, top end, mids and power. my bandmates were duly impressed and a few fans came up after to mention how much they liked the new sound. while this is a bit heavier than the markbass, it's lighter than an ampeg svt classic with the same power rating. for the gigs i'm currently playing and will potentially play for a bit, i think this head will be more than sufficient, but if i ever feel that it's not cutting it in the power department, i would not hesitate to upgrade to the 8:88. mesa/boogie has created a marvelous bass rig and as always, ted hunter takes care of me. thanks sweetwater!

Thunder in a lunchbox!

I've been an Ampeg user for years. My SVT 6 Pro had seen it's day... bring on MESA! Out of the box this amp is simply crushing. Dialed in just two knobs less than 1/8 of turn each and my sound was there. Running at Half power and I think I may have broke some windows... I'm afraid of what full power will bring. Surprising lightweight, considering the boom coming from this beast. Thanks Tyler and the entire Sweetwater team!
See also: Bass Amp Heads, Mesa/Boogie, Mesa/Boogie Bass Guitar Amp Heads