1Pc DC 10V-25V Low Pass Filter Bass Tone Subwoofer Volume Control Preamp Board, 2.1 Channel Bass Tone Subwoofer Pre-Amplifier Preamp Board

in this video I'm going to look at a subwoofer low-pass filter amplifier module this takes your stereo preamp output and gives you a mono low-frequency only output for your sub amp here's another module that I was sent to evaluate from ic station this one here is a low pass filter pre op in other words it's a subwoofer driver so you feed your audio signal in and it will give you just the bass output to drive a subwoofer here are the controls get your power input now it requires AC split input so you need to run this with a transformer the center tap and ground and then you give it to your input let's get your left and right input because it'll take a stereo input but it gives you a mono output and here is your output so let's connect this thing up and see what it does okay we're cooking this unit up I'm just gonna hook it up to a line input source and the line output feed it back to my