Where is "Beyond the Beyond"?

This video will not be understood by everyone partly because of its lack of clarity and partly because of its esoteric subject matter. Timaeon looks at the famous Buddhist mantra the Prajnaparamita,the radiant peerless mantra which goes: GATE GATE PARAGATE PARASAMGATE BODHI SVAHA. (Gone, gone, gone beyond, gone beyond the beyond!) What and where is beyond the beyond?