Spectrum Monitor por Usuário 5771907 do Firefox

Desktop Wallpaper http://technology.desktopnexus.com/wallpaper/703968/ CC-Attribution to members of deviantart.com: mediablade for color background and ebonymusic for photoshop sound brushes (black, blue, bright, color, colorful, digital, electric, gauge, graph, green, light, meter, monitor, orange, pink, purple, radar, rainbow, red, science, sound, spectrum, technical, techno, vivid, wave, waves, white, yellow, widescreen, gradient)