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GK Amplification Pro

Bass Amp and FX Modeling Plugin by Audified
GK Amplification Pro
GK Amplification Pro by Audified is a Virtual Effect Audio Plugin and a Software Application for macOS and Windows. It functions as an Audio Units Plugin, a VST 3 Plugin, an AAX Plugin and a Standalone Application.
Windows 7 - Windows 11
Mac OS X 10.11 - macOS 12
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Overall: 4191   3299   3988

30-Day: 5999; 7-Day: 2981; Yesterday: 2326

Legendary Bass Tones

GK Amplification 3 Pro is the next step in the evolution of this fan-favorite plugin. With three exceptionally modeled amps, added Smart Gate, Compressor and reworked UI, GK3 Pro is the most advanced GK amp sim out there.



Based on a small, portable-yet-powerful combo, it's perfect for a variety of sounds – from jazz to rock. With extensive EQ controls and voicing filters, you will craft the ideal mix-ready sound in seconds.


The amp which defined the classic GK sound, featuring two channels, powerful Bi-amp technology, and EQ and Voicing controls.


The legend from the 80s which changed the transistor amp game. The flexible tone-shaping, voicing filters, and variable crossover frequency that shapes the sound to perfect mix-ready sound.


Three matching cabinets, each with both woofer and tweeter options. Compare cabinets easily with the A-B control to find the perfect pair for your desired sound.


Exact models of 9 industry standard microphones, used for recording and live playing.

Various controls allow you to change the position, angle, and distance of the microphone, giving you even more flexibility when it comes to shaping your sound.

Gate & Compressor

Newly added Smart Gate with an intuitive Learn function sets the perfect threshold in a few seconds. Compressor with simple control, tuned to sound good in every situation – from your home studio to gigging.

{See video at top of page}

Latest User Reviews

Average user rating of 4.00 from 1 review
GK Amplification Pro

Reviewed By bobbackwards [all]
November 25th, 2011
Version reviewed: Pro on Windows

User Interface: Very simple "all-in-one" approach. The only confusion might be in the amp controls themselves which are exactly the same as the real gear. The microphone positioning is simple and effective. Drop down menus for speaker cabs etc. behave as one would expect. I would like to have numeric values for the speaker pan and output controls as they are a little fiddly.

Sound: I am a bassist and I use the 800RB live. I can set up this plug with identical settings to my rig and the sound is extremely close. If I add a little reverb and compression (more on that under "features") then "presto" I have my tone. GK's bass amp tone is very clean and doesn't add the color that an Ampeg, Fender, or other tube amps do...not everyone likes that, but if you appreciate the solid state sound of GK amps then this plug nails it. To my ears the speaker cabs sound good (but probably could be improved on) and the included mic models work well. All in all I believe that Audiffex has done GK bass amps very well indeed.

Features: Based on the review requirements this plug is not going to score very high in this area. Why? It does not include any effects, racks, or other bells and whistles. This plug emulates the amps, cabs, and mics and that is all. To me that is not a problem, but to some it may be. On my bass rig I add some compression and occasionally a little chorus. For the plug you might want to add some reverb too. I have a large number of dedicated plugs for those effects so I just add them to the signal chain and I have my tone. If you are looking for an all-in-one effects/amp sim then this is not for you.

Documentation: The included manual is complete if not exhaustive. I have no problems understanding it.

Presets: Audiffex included a large number of presets for all three amps simulated. I mostly tweak my settings and save my own presets but the included ones are a good starting point for the amps I am less familiar with (the MB150 and 2001RB). My only quibble would be that the some of the presets output levels need to be adjusted or they are too low.

Customer Support: Have not had to deal with customer support other than to order the plug and that was a joy (see value for the money).

Value for the money: I got this plug in Audiffex ridiculous 11/11/11 deal so, yeah it was a fantastic value. For full price it is still a good value if you don't need extra effects and you know and like the sound of GK bass amps.

Stability: Rock solid

Final Thoughts: I use and like GK Bass amps...I like this plug. I can use this plug on my DAW and I don't have to set up my amp or worry about volume issues with neighbors etc. and I can get a virtually identical tone much easier, that is the beauty of amp sims. However, if you don't have or don't want to use other compression, reverb, delay, or chorus effects then you should probably look elsewhere. GK Amplification Pro is a one-trick pony but it performs one heck of a great trick!
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