The JBL Subcontrol 1 G is a compact subwoofer designed for providing high-quality bass performance in a variety of audio applications, particularly in home theater systems and music setups. Its design allows it to fit seamlessly into a variety of environments while delivering rich and powerful low-frequency sounds. The Subcontrol 1 G features a built-in amplifier that is optimized for efficient performance, enabling it to handle lower frequencies with ease. The ported enclosure design enhances the bass response, providing a more dynamic audio experience. The subwoofer is typically equipped with a phase switch and a crossover control, allowing users to customize their listening experience based on room acoustics and personal preferences. Some models may come with multiple input options such as speaker-level or line-level inputs to ensure compatibility with various amplifiers and receivers.