Jeffrey Technologies is a Russound Sphere Certified Integrator.

Scroll through your entire music library. View song, artist, and album information from keypads or touchscreens. Featuring more sources, zones, power, control, and features, the E-Series Multizone system from Russound makes enjoying your music simple.

Advanced multiroom features for today's digital lifestyle.

The KLK-E5 keypad is a beautiful wall-mounted interface for the E-series Multizone system. It features a greyscale screen and touch-sensitive wheel for quickly navigating menus, settings and source features. You can easily access, control and enjoy music and video anywhere in the home.