On auction is a piece of driver board for VU meters. By using this board, power amplifier or preamplifier audio signal can be fed to the driver board, and the driver board connecting to VU meters to illustrate the signal strength. The board can be connected to two individual VU meters to serve stereo application. The board also contains a 2.5Vdc output that can be used to light the LED backlight of VU meters. The board only requires a AC9V - AC12V power supply, 80mA( without VU meter backlight connected). Dimension is 57mm(w) x 67mm(l) x 25mm(h) Air shipping worldwide is US$4.50. We welcome combined shipping. Why purchase from JIMS AUDIO ? 1. Because we ACTUALLY stock the items. We ship items within 24 office hours. 2. We pack items with extreme care. For assembled boards, they are cushioned with thick foam bags, and sometimes even buffered by thick carton paper to ensure the components are well protected. 3. All the pictures in our listing are actual pictures of the item in our stock. What you see is what you get. 4. Since March 2013, we ship items to United States below 2kg with e-express service which is a ebay-endorsed postal service between HK and USA. All the items shipped with this service has full tracking detail on both hongkong post and USPS website.