Check the listing for details. Memphis Audio SMCHLA Powersports Media Controller With App Control. Condition: New. Listed at 479.95 USD. The SMCHLA delivers complete control of your audio system through a brand-new Memphis app, built from the ground up for speed, simplicity, and a seamless user experience. This redesigned interface makes it faster and easier than ever to adjust EQ settings, save AM/FM presets, control RGB LED lighting, and more—all from your Bluetooth device. Perfect for powersports, marine, and classic car applications, the SMCHLA features a compact hideaway box paired with a 4-button rotary knob remote that fits neatly into a standard knockout slot for a clean, factory-style look. With the SMCHLA, you get the full functionality of a head unit without needing a traditional mounting location—control everything from your phone or the wired remote for a modern, powerful audio solution.