Optimized for video collaboration and corporate signage applications Non-visible rear mounting option - the unobstrusive and modern styling ensures a harmonious connection between the speaker system and the display. Speakers will stay visible (front view) with 40displays due to back chassis design, for other display sizes speakers are concealed behind the display Sophisticated engineering with crisp audioeffectively minimises potential resonances and interactions with the loudspeaker Unique design concept - allows fast and easy assembly A commitment to quality - 3 years warranty to match the display warranty and meet long-term demands ensuring peace of mind Add superior sound to your video conferencing or digital signage installation.The rear mounted stereo speaker system SP-RM3a is optimised for video collaboration and corporate sigange applications. Loudspeakers Driver diameter 5 cm Number of drivers 1 Speaker type Full range Audio Sensitivity 72 dB Frequency range 80 - 20000 Hz