B00I5WOGJG American Audio Els-15BT | Multi-functional 2-Way Active Bi-Amplified Speaker Els481 Wireless Audio Built-In MP3 Player (ELS481(ELS-15BT))

2-WAY ACTIVE: Bi-amplified lightweight speaker with built-in Wireless Audio and MP3 player that offers USB & Memory Card input slots.
4-WAY PROTECTION SYSTEM: American Audio?? ELS-15BT, Wireless Multi-Functional Speaker harbors short circuit protection; thermal protection; On/off mute & LF/HF limiters.
REMOTE CONTROLLED: Comes with 21-Input remote control (p/n ADJ AUD RC). Perfect for channel change, volume control, and play/pause control.
MULTI-FREQUENCY POWER: Separate high and low frequency provides power to the speaker as you music demands it.
XLR INPUTS/OUTPUTS: XLR & TRS MIC inputs, XLR & RCA line inputs, and XLR & TRS line outputs.