A DIY Isobox for under 175€? Yes this is possible! Austrian Audio, a new audio technology company from Vienna just published DIY plans on GitHub that helps you to making one of these. It’s a simple designed but helpful box that gives a bit better than 40dB of a weighted isolation.
Austrian Audio is committed to sharing as much as is reasonable to share with the community via Open Source Licensing.
Please visit our GitHub page in order to download the BOM and other goodies on building your own Isolation Box that will give you a bit better than 40dB of A-weighted isolation.
More information here: Austrian Audio