Bass Amplification:: Euphonic Audio, EA - Micro, 550w, 2 channel, intelligent switching: Lightweight, compact, class D amplifiers :: For sale, on offer, UK, Bassdirect


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  1. EA iAmp Micro 550W DISCONTINUED

  2. Add, single momentary switch for channel switching £18

  3. Add pro quality balanced jack - balanced xlr for the DI out £14

  4. Back pack for Micro and Wizzy 10 - £100 - in stock now

  5. Special offer - Wizzy 10 + Back Pack + EA Micro + speakon - £1150 inc UK shipping

  6. EU mainland shipping + £30

  7. Please contact the shop to pay by VISA, MASTERCARD, MAESTRO, Paypal, Bank Transfer

Euphonic Audio were one of the originators of compact high power heads and lightweight cabinets, all designed and made in the USA. This new range takes the range to a new level and incorporates all the original ethos and unique features with some new upgrades and improvements. The Micro has been tweaked and now has a louder output than the original 2010 model.

Micro, 550W - List £650.00 in stock now

The All New, More Powerful, 550W, 1kg Micro!

Click on picture to enlarge.

Review in Guitar and Bass magazine Here or read below


EA created the first super micro head, with the release of the iAMP300 Micro, in 2006. This original lightweight, weighed 2 pounds, put out 300 watts, delivered a neutral yet full and balanced sound, and was about the size of a paperback book. While micro heads were getting lighter and more powerful, EA threw the gauntlet to the bass world.

Fast forward to 2009. The new Micro is about the same size and same weight as the original, but the power is nearly doubled. At about half the weight and considerably smaller than any other digital head, the new Micro retains its acclaimed high-end accuracy, but with the headroom that can carry most gigs.

Size, weight and power aren't the only headlines here. The Micro is a full 2 channel head with EA's Intelligent Switching preamp. You can run two separate basses with full tonal adjustments, or get two separate and switchable settings for a single bass - great for getting a 'solo' sound on the fly.


•Inputs: Configuration: 2 independent channels- Channel 1 Mid EQ set at 500Hz for electric bass, Channel 2 Mid EQ set at 800Hz for upright/acoustic bass

•Input Impedance: 1Meg ohm input impedance on both inputs

•Trim controls: Independent channel level adjustments, DI output level, and high pass filter

•Intelligent Input Switching: Select different settings for 1 bass or have independent setups for 2 basses, Channel 1 or Channel 2, or Channel 1+2

•Controls: Channel switch, Input gain, 3-Band EQ, Master Volume, Mute switch, Effects loop blend

•EQ: Low, Mid, and High for each channel, Variable high pass filter  22-80 Hz, 6db per octave (allows selection of a frequency below which response is reduced, helps boomy rooms and stages-Channel 2 only)

•Effects Loop: Parallel effects loop with blend control, wide range of setups via internal jumpers

•Outputs: Speakon speaker, tuner, effects send, balanced DI out (1/4" stereo wired as TRS)

•Protection: Internal cooling fan, thermal and overload

•Line Voltage: 100/120 - 240 volts internally selected via jumper

•Frequency Response: 20Hz to 20kHz +/- 3dB

•Power Output: 550 watts @ 4 ohms 310 watts @ 8 ohms

•Size: 2.1"H x 8.5"W x 5.4"D

•Weight: 2.3 lbs.

Review - August 2010 - Guitar & Bass 85

Euphonic Audio - Micro Amp and Wizzy 10 cabinet

Euphonic Audio’s new digital-powered two-channel Micro bass head is little bigger than a paperback but puts out nearly twice the power of the old model. Back in our July 2007 issue we had the pleasure of reviewing EA’s wonderful iAMP 500 combo. We liked it so much that instead of buying the company we made it ‘bass combo of the year’ in our Winter Special awards issue. So you can imagine our delight when the new 550W iAMP Micro head and Wizzy 10 cabinet arrived. At 322mm wide, 384mm high and 282mm deep, the 250W Wizzy 10 cab is very small and its 12mm poplar ply construction helps keep the weight down to a paltry 7.7kgs/17lbs. It’s coated in black vinyl, fitted with plastic corner protectors and there’s a spring loaded handle on the bottom for tilt back mode. Beneath the grille is a single EA 10" neodymium driver with a secondary whizzer cone to handle the top end. Neat, tidy, no fuss. The iAMP Micro amplifier, which is only 217mm wide, 61mm high and 143mm deep, weighs a helium-light 1kg/2.25lbs and offers a staggering 550W into 4 ohms. Euphonic Audio has crammed a lot into this little box. It’s got two channels, each with Gain, Low, Mid and High controls. The EQ gives 12dB cut or boost and you can plug two basses in or switch between different EQ settings for one bass. There are also trim pots on the top for adjusting Gain and DI levels and High Pass Filter frequency.


Add to this a global Mute button, an FX loop (with Wet/Dry level control), DI Out and footswitch jack sockets plus the ability to configure more elements of the amp via internal jumpers (Euphonic Audio recommends you get an authorised dealer to do this) and you’ve got one seriously powerful package.


You shouldn’t expect – and you won’t get – seismic earth-shaking rumble from this set up, but you still get incredible depth for a cab so small and it deals comfortably with a B-string, as most quality 10" speakers do. Dialling Low to somewhere near full softens the sound, filling plenty of space while retaining a good level of definition. You don’t get extreme punch from boosting just Mid – the effect on either channel is a snappier, tighter note with a tiny hint of added aggro, Channel 2 (set at 800Hz) being slightly brighter than Channel 1 (set at 500Hz). If you want serious rat-tat-tat, add a dollop of High to the boosted Mid knob. This creates a nastier scenario replete with a throaty rasp, and adding a handful of Low creates a low-volume monster with far more impact than it really has any right to. The secondary speaker cone means that boosting highs gives plenty of cut and bite with musical substance and hardly any sign of fret-noise. By the way, switching between the EQs is seamless, no matter how radically different the tonal setup, and any trim pot adjustments are also easy to make… provided you own a small screwdriver and can use your ears.

The iAMP Micro weighs just 1kg, but Euphonic Audio has crammed a lot into this little box

First Impressions: Ultra-light, super-small and very businesslike


Build Quality ............................19/20

Playability ...............................16/20

Sound ......................................16/20

Value for money ....................... 17/20

Vibe .........................................19/20

TOTAL ............................. 87%

Good for... Getting a high-quality sound on small to medium rehearsals and gigs

Look elsewhere... If the budget won’t stretch, you need more volume or valves are your thing


Rigs like this little belter from Euphonic Audio are nothing but good news for bass players, providing practical levels of volume and praiseworthy tone in unbelievably light and portable packages. There’s plenty of competition in this price range, but the iAMP Micro scores high on simplicity of EQ and the ability to customise the controls to suit your personal needs. If your

budget will stretch this far, then you have to check out this system.


Description: iAMP Micro: twin channel 550W solid state head with Class D power amp and switching power supply. Wizzy 10: one EA 10" neodymium speaker with secondary whizzer cone in a 12mm poplar plywood cab with front porting. Both made in USA

Price: iAMP Micro head, £649; Wizzy 10 cabinet, £449

Controls: Two sets of Gain, Low, Mid and High controls, Master volume and FX Wet/ Dry controls, Channel Control and Mute switches, trim pots for Gain, DI Output and High Pass Filter levels. Two inputs, FX Loop DI out and footswitch jack sockets, speaker out Speakon socket

Range Options: iAMP Doubler 550W head, £699; Wizzy 12 cab, £449; Wizzy 12 M-Line cab, £549

Contact: Bass Direct

01926 886433

Customer feedback:

Submitted on the 13th September 2013 by John who purchased a EA Micro amplifier and EA Wizzy 12 M Line speaker

Hi Mark


The Wizzy 10 cab, micro amp & cables all arrived Tuesday morning, thanks for your fast response shipping them to me.


I played a session at a local club last night, easy to transport and set up with a great full sound with my bass.


I am very pleased, thanks for your advice and service.


All the best


Submitted on the 13th June 2011 by Denis who purchased an NS NXT 4 BASS, a Vanderkley EXT112 cabinet and an EA Micro amplifier

Thanks for your patience and advice Mark. The Steinberger has opened my eyes to the fact that anything is possible.

My mates thought that I was taking the mick when I turned up with the EA micro and Vanderkley 112 until I plugged in and started playing. After many years I can now actually hear what I am playing with total clarity. Once again thanks a million. I will certainly recommend you to anyone who wants to sort out some gear.

Denis Wane

Hi Mark,

Mark did a grand job of keeping me in the loop re: what was happening with customs etc. and getting my new amp to me in time for a gig - really excellent service!

The EA Micro is a superb amp: incredible midrange clarity and presence in the lowest frequencies - especially when dropping the low B on my Dingwall 5 to an A - a real full-bandwidth amp.

All set up on stage, the Markbass LMII used to look pretty small perched on top of my cab, but the Micro looks like a joke! Doesn't sound like a joke though and it has plenty of power to spare, so must be a good match for this cab. At it's 1st gig, I could hear everything so well it made me play better and concentrate on the music, which is surely the goal of any backline.

Build quality is excellent and the tiny size and weight means one less bag for me to take to gigs. In fact, it felt as if I'd left something behind and double-checked the effects gig bag pocket before leaving for a gig! I love the simplicity and 70's hi-fi looks and touches like the mute being on after power-up make setting up so easy - no nasty bangs now! And no amp GAS either...

Submitted on the 29th July 2012 by Mike who purchased a EA Micro amplifier and Vanderkley MNT210 and cabinet

Hi Mark,

Just letting you know that I received the cover for the vanderkley 210 today. I'm really loving the ea iamp micro and the cab, its the most clarity I've ever had on stage from a bass rig, it's great because I can even here the wrong notes clearly haha!

Thanks again,

Mike Groves.


Unit 12, Rigby Close

Heathcote Ind Est

Warwick, CV34 6TH

Tel: 01926 886433

Shop opening hours

Monday - Saturday

9.00am - 5.30pm


"I love the clarity of EA gear and customer service is top-notch."

-Carl Edwards

"I have used EA gear for a while now, and it is the best amplification gear I have ever played."

-Adrian Juras

"I wanted to improve my sound so about a year ago I decided to find a really solid sounding smaller cabinet with even tone and presence throughout the spectrum. I tested a fair number of higher end cabinets from various manufacturers. After trying a couple of EA cabinets, I immediately bought an NL210. Utterly fantastic! It's not so much that I love the sound of this cabinet but that I love my sound through this cabinet!"

-Bruce Kirk

"Love your stuff. The sound is amazing, I get more, tighter bottom out of a pair of your vl-210s than I did out of a 1x18 + 4x10 stack. Yet still with super clean mids and highs. Your cabs make my bass sound more like a studio recording rather than a typical live setup. Never even looked at another cabinet since I got yours."

-Randy Streicher

"EA gear is like a wolf in sheep's clothing, small, light but loud, it is mind boggling, it blows away everything else. Euphonic Audio is to sound what Apple is to computers."

-Einar Aarnes

"Your new series III NL210 is the greatest improvement in upright bassdom since the spirocore string. Finally a cab that: Needs no EQ and sounds perfect, is loud and light, tweeter is balanced and integrated with no harsh clack, lets me concentrate on the music instead of the gear! John, you hit a grand slam with this cab. Between the NL210 and my Wizzy 10 I can handle ANY gig at any volume with sound quality beyond any other cab on the market."

-Peter Tillotson