hi there Robin here from expert on today we're gonna be doing a marine audio apps to be specific the pile PLM are a four twenty and four thirty BT and remember this product also comes in a 6 channel a four channel version will add all those links down below for you so this where you can get up-to-date pricing on that but what we're going to talk about is the benefits of having this series of amplifier from Pyle we're going to talk about the fact that it's bridgeable so that means yes you can add subwoofers to it without having to have a subwoofer output in your head unit it also runs at sorry at 4 times 250 watts it also has 4 RCA inputs all switching and adjustments on the side for all the game and level controls and all the power leads set up on the other side price is the big feature on this one you get an awful lot for a small price which is great because a lot of people are always