Water Resistant Speakers. Line Inputs. Play MP3 Files Via USB Stick or SD Card. Complete with Cable. This small outdoor PA kit is ideal for background music in small outdoor areas such as patios- beer gardens- dedicated smoking areas etc. Comes complete with two outdoor speakers- amplifier and speaker cable. The amplifier has a front connection for an audio device such as iPod- MP3 player or smartphone and also has the ability to play MP3 files via a USB stick. A simple and easy to install PA solution for small outdoor areas.. pa system-compact pa system-column pa system-100v pa system