You can find information about that on our forums. We do not maintain an official database of recommended hardware for use in playing these programs, but some customers contribute their model and price and how well it works.
The speakers must have an upper frequency response of atleast 20khz and be stereo. Good quality speakers are also going to be best, really cheap speakers such as laptop inbuilt speakers are of low quality and may affect the results.
To make sure we have a free speaker test that can be found at http://www.subliminal-shop.com/product/speaker-test/
Posted in: Hardware Questions (Speakers & Headphones)