Roland BA-330 Portable Stereo Digital PA System Features:

• All-in-one portable digital PA system you can use anywhere
• Powerful, high-quality stereo sound for audiences up to 100 people
• No setup required; just plug in and go
• Powered by AC power or by eight AA batteries
• Four custom-designed 6.5" speakers and two tweeters for wide stereo projection
• Built-in effects: EQ, reverb, delay, and wide (on/off per channel)
• 4-channel configuration: two channels for mic/instruments plus two channels for stereo inputs
• Stereo Aux input with dedicated volume-control knob
• Advanced Intelligent Anti-feedback function
• Built-in tilt-back stand lets you monitor at an optimum angle
• Speaker stand mount built in