The AmpliVox SW725 is a powerful all-in-one PA system that puts you in command of your presentation for voice or music with all types of supporting media. It can play audio files stored on any USB flash thumb drive or SD card or stream music from a Bluetooth® enabled device such as a smartphone or computer. The SW725 six inch full range speaker and 36 watt amp projects crystal clear sound to audiences of up to 500 people in rooms as large as 2,500 square feet. The SW725 gives you easy access to a full range of audio controls. This state of the art unit even has a Voice Priority feature that automatically mutes any music when you speak. The SW725 runs on AC power and up to 6 hours on its rechargeable battery. It ships complete with wired and wireless handheld microphone, ready to plug in and power up. Mic Input Types: 1/4"; Number of Mic Inputs: 1; Speaker Type: 6" Full Range Speaker (4 ohms); Number of Speakers: 1.