Mackie THUMP15 Powered 15" Speaker Pair 2000W Bi-Amped with Bluetooth Mixer Stands and Cables THUMP15SET5B Mackie THUMP15A bi-amped speaker pair, proven Thump performance, 1300W total system power per speaker, 1000W low frequency and 300W high frequency per speaker, maximum SPL peak is 127dB SPL, frequency range is 32Hz - 23kHz, ultra-efficient class-D amplification, 15" high-output woofers, 1.4" titanium dome compression drivers Next-generation system protection and thermal limiting keep your system safe, class-leading, chest-thumping low end, all new amplifier design allows for incredibly fast transient response delivering more chest-thumping low end than ever, ultimate flexibility, built-in 2-channel mixer features Vita preamps with Wide-Z technology to handle mic, line and instrument signals with ease XLR thru output allows for simple wired connection to other Thump loudspeakers, flexible mounting options including tripod and pole-mounting, dual angle design perfect for use as stage monitors, total system optimization, 4 application-specific speaker modes for instant system optimization, precision digital crossover Transducer time alignment, universal power supply (100-240VAC) with Power Factor Correction technology, lightweight and portable, completely redesigned professional enclosure, new 4 handle design, 40.3 Lbs per speaker, (H x W x D) 27" x 17.4" x 14" per speaker MX1204 Ultra-compact 12-channel mixer with rugged steel enclosure, Bluemini Bluetooth receiver, 2 X25 audio cables to connect the mixer to the speakers, 2 pro audio adjustable heavy duty steel speaker stands, this listing and price is for 2 Mackie speakers, mixer, Bluemini, cables and stands