Fosi Audio Subwoofer Amplifier Mono Channel Amp Home Theater Power Amplifier 100W M02

[Music] what's going on guys derek here from williston audio labs today we're going to look at a subwoofer amplifier mini subwoofer amplifier that's designed for home use as it plugs into the wall this is a fosi audio m03 amplifier you can see on amazon at the time of purchase it was 80 bucks some of the uses for this app powering a car audio sub at home powering a passive home theater sub powering passive sub for computer audio or a sub amp for a two channel system for example the last video i did on the infi audio tube amp you could use this as your sub amp with one of those that will work well the most confusing thing about this amplifier is the ratings now according to amazon here rms power output 150 watt at 4 ohms 120 watts at 8 ohms however they say it's a max of 200 watt but the 32 volt 5 amp power supply is not powerful enough to get you to that maximum output power we'll come