ANTEC the TrueControl 550 Watts - This is a quality power pack, which fully with the desires the user was co-ordinated. If one would ask someone, what he would like to have improved gladly at a power pack, to which one can answer the question only with 'True control '. Can one introduce oneself to what on the fast one under the new term? TrueControl can be adjusted by the user. The tension achievement and the speed of the exhaust can be steered with an external control switch from the housing front. The ingenious with the fact is that one can reach by it according to the system requirements an optimal achievement and with the Watt numbers no losses has to date applied power packs over 500 Watts as less reliable and too varying. This will not be possible in the case, since one can stop the volts up to the comma exactly.