[Eyer]

Upgraded your CT200H sound system?

If you can get hold of the The Great Fantasy Adventure Album performed by the Cincinnati Pops Orchestra, play it. It contains digital sound effects and has a number of tracks with infrasonic frequencies to 5 Hz.

It's all themes from movies such as Jurassic Park, Total Recal, Conan the Barbarian, The Hunt for Red October, Terminator, and many more.

 

[Eyer]

This will test the freq response of your speakers. In fact, you'll have to adjust the volume to a safe level or you could end up damaging your speakers.