The Perfect Combination of Value and Performance. Stanton's RM.406 and RM.404 are professional 4-channel mixers for club and mobile DJs. Not only do they look great on the outside, they're also built with SST™ for killer sound quality. And they come loaded with all the inputs and outputs you could possibly need—including a Subwoofer output (RM.406 only) and a dedicated iPod™ input. And with Stanton's innovative Illumiknobs™ and backlit buttons, mixing in the dark is easy. If you demand quality and value in your mixer, check out the new RM.406 and RM.404!