ZLX series expands with two new Bluetooth audio streaming models: ZLX-12BT and ZLX-15BT. Wireless convenience with the best-in-class Electro-Voice sound quality. Equipped with all user-friendly features found on standard ZLX models . High-quality Bluetooth audio streaming for background music or musical accompaniment. QuickSmartDSP features best-in-class processing. Easy setup via four presets, sub/top system-match, two-band EQ, five user-programmable presets, visual monitoring of limiter status, input level control and meters, and master volume control to optimize gain structure, all via LCD. High-efficiency 1000 W Class-D power amplifier delivers us to 127 dB peak SPL utilizing transducers designed and engineered. Signal Synchronized Transducers (SST) waveguide design provides precise and consistent coverage, minimal distortion, and maximized acoustical loading. Three optimally located handles combined with a rugged composite structure provides the most portable professional sound speaker on the market.