อคูสติกพรีแอมป์ A-PRE

อคูสติกพรีแอมป์ A-PRE The A-PRE preamplifier has been specifically conceived to guarantee the best possible performance of our A-DYN sensor in any musical context. Thanks to A-PRE you have possibility to research the desired sound with the help of the ROLL-OFF filter, a 3 step gain. In case of feedback problems we designed a phase switch to remove it. The low impedance, A-Class electronics guarantee a high quality signal as a professional audio level.