The Galaxy Audio Traveler TV8 is an AC/battery operated portable PA system. This compact system features an 8" woofer, 1" horn, 80-watt amplifier and can be configured in a variety of ways to meet your specific needs. This self-powered portable PA system, has a coverage capacity of up to 600 people. Features of the standard Traveler include: 4 inputs (XLR/1/4" combo, 1/4" Mic/line, RCA line and 1/8" Aux, each with their own volume control), Built-in Bluetooth®, 2 Band EQ and a master volume. Audio Outputs include a dual RCA Line Out and a 1/8" Aux output. The Universal Power Supply/Battery Charger allows the traveler to be used anywhere in the world. The TV8 features a voice priority button, which automatically reduces the volume of the media player, Bluetooth® and line level input when receiving a transmission from a wireless or wired handheld microphone (either plugged into the unit or an installed wireless system). This allows for announcements to be made without being overpowered by a music program playing through the media devices. The voice priority can be turned on or off.