Introducing the Doepfer A-138b Quad Exponential Mixer, a powerful tool for any musician or producer looking to take their music to the next level. With its compact size of 35mm depth and 8hp width, this mixer packs in a punch with its quad mixing capabilities.

The A-138b features exponential mixing, allowing for precise and flexible control over your audio signals. Additionally, it comes equipped with all the necessary features for modern music production, including a built-in power supply and MIDI interface. Whether you're a professional musician or just starting out, the Doepfer A-138b Quad Exponential Mixer is the perfect addition to your setup.