Lucas 15AB is an all-in-one PA system speaker that comes with everything you need for a successful event: Large spaces can be filled with crisp, lively music using a high-powered (150 watt) woofer, equalized loudspeaker system, powerful 15-inch robust woofer speaker, and inch tweeter. Additionally, with vocal-only recording features for absolutely unforgettable parties. With a dedicated mic input and Master volume control, it has a multi-channel mixer. You can even wirelessly stream music from any Bluetooth device, use the onboard FM radio with presets, or use the built-in music player to read music files from a USB or SD card. If you want to perform karaoke or make announcements, the accompanying karaoke microphone with an echo effect is ideal for adding fun.