Wow! What a fantastic product! This amp carries a punch with 560 Certified amps. I am running Alpine SPS610C component fronts and SPE6000 rears. It has a sweet sound and fits nicely under passenger seat in the air conditioning.

I had the ZX Kicker and I upgraded for the IX and mine is about 600 watts. I have it running my 6 1/2 Polks with MB Quarts two inch tweeters. I love that the IX has a lot the same features as the ZX, like the fader button. That lets you run on set of rca cables to run all four channels. It's a good amp and its loud too.

This is the perfect 4 channel amp for anybody who has limited space for installation. I have a 2011 Nissan Versa with navigation system (the best audio option you can get in the Versa), and my system was lacking on all ends. After consulting the web and calling the guys at Sonic, I finally settled with the 11IX500.4. This amp fits perfectly under the driver seat (even with more room to spare for my Kappa component crossovers). I loved that this amp has the ability to receive high level inputs and the ability to sense a DC offset in the speaker inputs for turn on. Because of this, I have the remote wired over to my HS8 for its turn on.

I have this IX500.4 to run Kappa component and 3-way speakers. Also, I have the Kicker HS8 under my passenger seat for my sub. This is what the Nissan Versa needed, a stock look that performs beautify.

The Sonic rep that I spoke to explained everything perfectly. Sonic is the place to buy car audio!