The Dual KA-12 L is a dual channel stereo preamplifier designed for audiophile applications. It features a compact design with a focus on high-quality audio reproduction. The unit is typically used in conjunction with power amplifiers and offers numerous input options, allowing for versatile connectivity with various audio sources. The KA-12 L includes tone control and balance adjustments, enabling users to fine-tune their listening experience. Additionally, it is equipped with standard RCA inputs and outputs, providing ease of integration into existing audio setups. The power supply is often external, which can contribute to reduced noise levels in the audio signal. This preamplifier is favored for its clean signal path and solid build quality, making it an appealing choice for both casual listeners and serious audio enthusiasts.