ZETHUS-112B-2PAIRS: This speaker system set includes 4 x ZETHUS-112B passive line array speakers STELLAR SOUND AND MASSIVE POWER: Experience powerful, high-quality sound with the ZETHUS-112B compact line array speaker. Featuring a 12' woofer and two 1.4' titanium compression drivers, it delivers an impressive 400W RMS and 800W program power (8). The speaker offers the flexibility of full-range or bi-amp mode, allowing for quick connections for simple to more professional setups EASY INTEGRATION: Effortlessly integrate this compact speaker using multiple flying points and add the ZETHUS-112FF flying frame(sold separately) for a wide range of suspension options, making setups a breeze