Advice, design, demonstration (five testing rooms) and sale of hi-fi stereo, hi-end and Dolby systems, big video screens, videoprojectors, multi-function rooms, accessories. Installation including assistance with fitting and cabling by experienced in-house technicians. In-house customer help shop. Audio certification for acoustics with Bruel & Kjaer instruments. ISF (Imaging Science Foundation) video certification with instrument calibration.