The Heco Submax UX 33 A is a compact yet powerful active subwoofer designed to enhance low-frequency performance in various audio setups. With a robust built-in amplifier, it delivers deep bass response, suitable for both music and home theater applications. The subwoofer features adjustable crossover frequency and phase settings, allowing users to customize the output to suit their room acoustics. Its sleek design makes it easy to integrate into a variety of environments without compromising aesthetics. The Submax UX 33 A typically includes rca inputs for seamless connection with receivers and other audio equipment, making it versatile for different installations.