Wav created these hardware devices with one thing in mind. To play in-store radio non-stop for years even if you run them 24 hours non-stop with out turning them off. The AWMS AIO IN-STORE Music and messaging PLAYER has a built-in 70/100 V Industrial amplifier that connects to your ceiling or wall mount speakers. It can power up to 20 units ceiling speakers. The Easy Remote Control Management system allows you access to your stores anywhere, they can grouped by city, regions or solo. The AWMS AIO allows you to control the Volume of your store with your laptop or mobile phone for the best comfortable in-store radio sound, so your stores don't annoy customers that your music is too loud or too low. When you want the perfect in-store radio for your staff and customers. The AWMS is the work horse for you.