AUDIOCONTROL EPIC 150 

Product Code: EPIC 150 Price: Check Latest EPIC 150 Processor is a combo of the EPICENTER and an SPL meter together! BASS HEADS REJOICE!The EPIC-150 makes it easy by conveniently mounting an SPL microphone on the front panel that will measure up to 150 dB. A bright LED display shows how loud your system really is. In addition, the on board peak hold software can be selected to latch on to the highest SPL value. Claiming bragging rights is now much easier. play. If your SPL numbers are smaller than you expected, maybe your battery is low or your alternator is not putting out. Of course nobody seems to be concerned when their SPL is too high!