[Hearing Test with Signal Frequency]

I don't even wanna know how bad mine is..tinnitus for over a year now..driving me crazy. 

[Ksw12 export model]

I found a step up transformer 750 watts for 10 dollars..works great

[Ksw12 export model]

I bought a ksw12 230v model sub and I have wired up an adapter for a 240v outlet. I want to ask u guys if u can recommend a voltage converter I can use so it isn't regulated to my welder plug outside lol