MonopriceSW-12 400 Watt RMS (600 Watt Peak) Powered Subwoofer - 12-Inch, Ported Design, Variable Phase Control, Variable Low Pass Filter, for Home Theater Systems

The media could not be loaded. What a beautiful monstrosity. This is way more sub than I need for music, but I bought this for my computer racing sim setup. I wanted something that would rumble around me while I race to add another layer of immersion. The sound is amazing once you figure out your ideal settings. For music Im only running it about 30-40 precent and it’s surreal the sound it produces. It is a big boy so be sure to have ample space to house it. I paired this sub with AudioEngine A2+ speakers and a Fiio K5 DAC Preamp. Great match as there is a direct subwoofer output on those speakers.If you watch my video, make sure to wear good bass headphones to get the full effect.

Sounded fine while it lasted. A whole 2 days. Then it just stopped working. No sound. Indicator light on the back flashing red. No info in the manual or online as to what the red flashing light meant. Called Monoprice. Their conclusion: It's broken. Duh. Returning for refund. My previous speakers were made in 1971 and were still working fine when I recently sold them after more than 50 years. Disappointing that stuff made today is such junk. I wish people would care more about quality of their products.

The sub sounds great, there's no lack of power here. It looks nice and is well worth the price. The only issue I had was air leak on the back by the controls. It was basically leaking from everywhere it could but Amazon was great at getting it replaced.

These were big items. They were placed nicely at the front door (gate), and they were heavy, but my son was still able to move them inside until I got home. There were two boxes. An outer box and the box contacting the item. I did like this as it added extra protection for an item with one side that cold be fragile. The subs are perfect for someone with a nice home system that wants to move the air on those sub frequencies without moving out of the house because you took a second mortgage to buy the speakers. So for the price, a great buy. Get them while they're hot (at least in fresno, where it is 115). Thanks!

Another junk product from monoprice. Nowhere near 600 watts. Have the gain turned up 70 percent on the sub and my avr sub settings at +2 db’s and its barely thumping and if i turn the gain more its over excursioning. Contact customer service, nothing but excuses and run-around. Terrible product from a terrible company . Dont waste your money, spend an extra 50-100 bucks and get a klipsch sw120.

Pretty straight foward, no gimmicks or extra gizmos to get hung up on. This sub bumps well for the price!

Bought one, on third day got a blinking red light on the back with no sound coming out. Talked to Monoprice and they said it was a faulty power supply and told me to get a replacement from Amazon. Did that. Had the second one for five weeks and got the exact same issue. Haven’t talked to Monoprice yet because it’s the weekend and they have no support hours. Outside Amazon return policy now. Feeling screwed. Hope they will do something for me when I get them on the phone but come on, how can they ship these things if they fail like this?For what it’s worth, I plugged the second one into a different power strip and I have whole house surge protection at my electrical box.Update 5/9/2025: Monoprice did authorize a replacement so now I am waiting for the RMA process. I appreciate it but am nervous the new, third one will also break quickly.

Everything I listen to is suddenly a Transformers movie trailer because I feel EVERYTHING. To quote my twenty-something coworker - this goes HARD. It's like riding the nuclear bomb in armageddon. I had my son sit on it and I'm pretty sure he might not produce an heir to continue the family name and I've made peace with that.Also, pack some ear protection - you're going to need it.