This vintage Quad 33 Control Unit is a powerful pre-amplifier that will enhance your audio experience. It has a beautiful bronze color and features 2 channels with 4 inputs and 2 outputs. The audio inputs and outputs are DIN connectors, and it is suitable for use in the United Kingdom. The Quad 33 Control Unit is perfect for any home audio system and is ideal for amplifiers and preamps. It is an analog device that will provide you with high-quality sound. The model is Quad 33, and it is a unit type that is perfect for any audiophile.