The Allen & Heath ZED-428 is a high-capacity analog mixing console designed for live sound, installations and recording applications. It combines flexible input/output routing, professional mic preamps and USB connectivity in a robust, road-worthy form. Whether you’re mixing a band, managing a house-of-worship system or outfitting a fixed venue, this board delivers dependable performance with intuitive controls. Key Features: 24 Mic/Line Inputs Plus Dual Stereo Channels: Provides multiple channels to connect microphones, instruments and stereo sources simultaneously for full system control. Advanced DuoPre Mic Preamps with High Gain Range: Offers up to 69 dB of gain, giving clean, low-noise amplification of mic signals and excellent sound quality under demanding conditions. Full 4-Band EQ with Sweepable Mid Bands on Each Channel: Allows precise tonal shaping on mono and stereo channels, enabling detailed sound adjustment for vocals, instruments and ambient sources. Six Auxiliary Sends and Four Subgroups: Enables complex routing for monitor mixes, effects sends, sub mixes or broadcast feeds, giving the engineer flexible control over multiple mix layers. USB Audio I/O for Computer Interface: Built-in USB connectivity allows stereo send and return to a computer for recording, playback or streaming workflows, bridging live sound and digital production.