Skip to product information
1 of 1

Error 303

Error 303

Get instant access to original acid techno basslines to add progression and depth to your techno tracks.

Regular price €19.90
Regular price Sale price €19.90
Sale Sold out
Tax included.
View full details
  • Music Loops


    Acid Basslines

  • Bonus Loops


    Drum Loops & FX

1 of 2
  • Music Loops

  • Bonus Loops

1 of 2


Error 303

Techno producers, "Error 303" is your passport to the ultimate acid sound experience.

Unlock a never-ending well of inspiration that transcends the boundaries of acid music and propels your creativity to new heights!

Our acid loops are unlike anything you'll find online.

With their extended length and evolving structure, they inject progression and depth into your tracks like never before.

But that's not all! "Error 303" isn't limited to 303 loops alone. We've sweetened the deal with bonus drum loops and FX to supercharge your productions.

Crafted with Techno producers in mind, "Error 303" is your secret weapon for creating sonic masterpieces.

Don't let this opportunity slip through your fingers.

Embrace the sound that defies convention and births unforgettable tracks!

Download "Error 303" now, and let your music soar to new heights of innovation and passion.

  • hijinks


    "Awesome! Very cool samples; love the Serum presets and the drums. Def these packs are worth trying!"

    IG: @jinksagram
  • bravetone


    "These guys know what they are doing! If you want to enhance your creativity, I definitely recommend their sample packs!"

    IG: @bravetonemusic
  • hive


    "I tried these sample packs, and wow, I can’t go back! Melody loops and one shots are so good that you can use them for multiple genres, not just techno."

    IG: @therealhive
1 of 3


Are Keep It Sample samples royalty free?

YES. All our samples are 100% royalty free. It means you can use everything in your tracks/commercial projects and publishing them without asking our permission. However, redistribution and repackaging are strictly prohibited!

If you have any further questions regarding copyrights and royalty email

What payment options are available?

We accept payment by credit card (Visa, MasterCard, AmericanExpress, Maestro), by PayPal, Apple Pay, Google Pay, and Shop Pay.

What DAW/Plugins do I need?

All our samples/MIDI files can be used in any DAW or audio editing software. Some packs may include Xfer Serum presets.

How does the download work?

To download our free samples, just fill out the form you find on the page of each pack.

If you have trouble viewing the form, try to reload the page. Once done, you will be redirected to a page with the download link.

Instead, our premium sample packs are delivered instantly via email after the purchase.

You'll be sent a link for your download as well as an order confirmation.

If you lost your download link, you could request a new one via mail at

How do I unzip the product file?

All our packs are compressed in a .zip format. To extract them you need to use a free program like WinRAR or 7-Zip.

Copy the .zip file to the location on your hard drive you wish the sample pack to be.

On PC right click and use the Winzip Extract to here tab. On Mac just double click the .zip file.

This way ensures all files and folder stuctures will be correct.

Any other questions?

If you have any other questions, you can contact us through our live chat or at