Sonys Xplod Amps Combine Form And Function In A Mix Thatll Make Your System Look And Sound Great. On The Outside The Sleek Inverted Heat Sink Keeps Vital Internal Components Running Cooler And Lasting Longer. Removable Terminal Covers Keep All The Wire Connections Protected And Out Of Sight For A Clean-looking Installation. Underneath The Hood The 2-channel Xm-1252gtr Delivers 125 Watts To Two Channels Or 340 Watts In Single-channel Operation ? Plenty Of Power For Many Subwoofer Systems. Signal-sensing Speaker-level Inputs Activate The Amp Automatically When You Turn On Your Factory Radio So Theres No Remote Turn-on Lead For You To Install. Built-in Frequency Filters Tailor The Sound To Fit The Application While A Bass Boost Adds Extra Punch To The Lows.