2404VLZ4 Mixer feature signature high-headroom/low-noise design and has 20 boutique-quality Onyx mic preamps. It has improved RF rejection perfect for broadcast applications. It is designed to provide the highest headroom and lowest noise possible for maximum signal integrity. It has a ridiculously rugged solid state chassis and high contrast controls for ultimate tactile control. High-visibility, high-contrast controls deliver convenient “at-a-glance” visual feedback.