American DJ Supply ELS15A Powered 15-Inch 2 Way Speakers 2-way active bi-amplified lightweight speaker system, High power class A/B bi-amplified system designed to perform at maximum efficiency Separate High Frequency and Low Frequency provide the power to the speaker as your music demands it, Flyable & stand mountable, Treble, bass and volume output control Microphone, and Line level controls with master volume., Treble, and Bass EQ +/- 12 dB, XLR & TRS MIC inputs, XLR & RCA line inputs 4-Way Protection System - Short circuit protection - Thermal protection - On/off Mute - LF/HF Limiters 9 Fly Points (M8 with a 1.25 thread), Active signal limiting system with Clip LED indicator on rear panel, Time Aligned Electronic Crossover