ZETHUS-VX118SPW112BPWX2: This set includes 1 x ZETHUS-VX118SPW powered line array subwoofer, 2 x ZETHUS-112BPW powered line array speakers, and 1 x STSDA-M54B speaker pole IMMERSIVE LOW-FREQUENCY REINFORCEMENT: The ZETHUS-VX118SPW subwoofer features an 18-inch woofer with a 4-inch voice coil (145 oz. magnet). Equipped with a built-in class-D amplifier, it delivers an extraordinary 800W continuous and 1600W peak power handling capability. Experience enhanced depth and precision with the built-in DSP, offering dynamic bass enhancement, RMS dynamic processor, and 4 digital EQ presets tailored for various applications. ZETHUS-112BPW POWERED LINE ARRAY SPEAKER: The ZETHUS-112BPW features a 12' woofer and two 1.4' titanium compression drivers. Driven by a robust class-D amplifier, it delivers an impressive 400W continuous and 800W peak power handling capability. Benefit from its onboard DSP, ensuring optimal system performance and seamless sound optimization.