The Quadral Sub 60 aktiv is an active subwoofer designed for enhancing low-frequency audio performance in various audio setups. It features a built-in amplifier, which eliminates the need for an external power amplifier, making it a convenient option for users seeking powerful bass response without additional equipment. The subwoofer is typically equipped with a high-quality driver that is capable of producing deep, impactful bass, contributing to an immersive audio experience whether for music or home theater applications. Its compact design allows it to fit easily into various room settings, and it often includes adjustable controls for crossover frequency and volume, allowing users to optimize the bass output according to their preferences and environment. Furthermore, the construction of the cabinet is designed to minimize vibrations and resonance, ensuring clean and distortion-free bass reproduction. The connectivity options generally include RCA inputs for flexibility in integrating with different audio systems.