This is an Extremely Rare Disc designed to Test High Performance Sound Systems in your Car.

IASCA held annual Competitions to test for the most accurate and realistic Sound Reproduction possible.

It will challenge any and All Sound Systems.

The Disc itself is produced in the USA by Renowned Audiophile manufacturer Sheffield Lab.

There are instructions included in the Inlay that describe each of the 41 Tracks.

The Disc is in Mint Condition with the Jewel Case and Inlays being Excellent or Better!

I will Ship USPS Media Mail.

Please View Photos To Verify Condition!