Allen & Heath ZED-428 4 Bus, 24 Mono Input, 2 Dual Stereo, 6 Aux with USB

Description ZED-428 is excellent for bands, houses of worship, theatres or AV applications. It has a truly professional feature set, which will fit any sound reinforcement application or professional PA hire stock. ZED-428 has configurable USB audio in/out, making it easy to capture stereo recordings, plus 24 mic/line inputs, 2 dual stereo inputs, 4-band EQ with MusiQ, 4 sub-groups, 6 auxiliary sends and a 7×2 matrix.Features24 mono channels2 dual stereo inputs with 4-band EQNeutrik mic XLRNeutrik 1/4 inch jacksChannel insertSuper wide gain ‘DuoPre’ mic line input4-band EQ with 2 swept mids and in/out switchIlluminated muteSound image panIlluminated PFL & peak warning indicatorALPS 100mm faders6 auxiliary sends (2 pre, 2 post, 2 pre/post)4 sub groups fed from each channelAll inputs with level control12 bar metersL, R and M main mix outputs2 matrix sections available; can send output to USBIndividual channel 48V phantom powerDirect output on every mono channelPeak and signal indication on every channelConfigurable USB stereo audio in/outMaster level controls on all outputsEasy to use layout – all connections and controls on top surfaceSpecificationsMixerNumber of Analog Input Channels28Number of Mic Preamps24Analog Output Channels1 x Stereo Master Output 1 x Mono Master Output 4 x Mono Bus/Subgroup Output 6 x Mono Aux Send Output 2 x Mono Matrix Output 1 x Stereo Tape/Record Output 1 x Stereo Headphone OutputFaders & Level Adjustment3.9″ / 100 mm Channel FaderMetersMain Meter: 2 x 12-Segment LED Bus Meter: 4-Segment LED Channel Meter: 2-Segment LEDSignal ProcessingGain/Trim RangeMic Input: -6 dB to 63 dB Line Input: -10 dB to 26 dB Stereo Input: -∞ to 10 dB Fader: -∞ to 10 dB Return: -∞ to 10 dB Aux: -∞ to 10 dB Matrix: -∞ to 6 dBEQ ParametersMono Channels: High: ±15 dB at 12 kHz (Shelving) Hi-Mid: ±15 dB at 500 Hz to 15 kHz (Notch/Peak) Lo-Mid: ±15 dB at 35 Hz to 1 kHz (Notch/Peak) Low: ±15 dB at 80 Hz (Shelving) Stereo Channels: High: ±15 dB at 12 kHz (Shelving) Hi-Mid: ±15 dB at 2.5 kHz (Notch/Peak) Lo-Mid: ±15 dB at 250 Hz (Notch/Peak) Low: ±15 dB at 80 Hz (Shelving) Mono Channels: High: ±15 dB at 12 kHz (Shelving) Hi-Mid: ±15 dB at 500 Hz to 15 kHz (Semi-Parametric) Lo-Mid: ±15 dB at 35 Hz to 1 kHz (Semi-Parametric) Low: ±15 dB at 80 Hz (Shelving) Stereo Channels: High: ±15 dB at 12 kHz (Shelving) Hi-Mid: ±15 dB at 2.5 kHz (Notch/Peak) Lo-Mid: ±15 dB at 250 Hz (Notch/Peak) Low: ±15 dB at 80 Hz (Shelving)FiltersHigh-Pass: 100 Hz, 12 dB/OctaveSolo/MuteMute, PFL per Input Channel Mute, Solo-in-Place/AFL per Bus Mute per MasterBuilt-In EffectsNoneDigital AudioSample Rates32 / 44.1 / 48 kHzBit Depth16-BitPerformanceHeadroomAnalog:  21 dB USB I/O:  14 dBFrequency ResponseMic Input to Main Output: 20 Hz to 20 kHz 0.5/-1 dB (30 dB Gain) Line Input to Main Output: 10 Hz to 30 kHz 0.5/-1 dB (Unity Gain) Stereo Input to Main Output: 10 Hz to 30 kHz 0.5/-1 dBMax Input LevelMic Input: 17 dBu Line Input: 30 dBu (Mono) Insert Return: 21 dBuOutput LevelXLR Main Output: 4 dBu (Nominal) 27 dBu at Max Gain Group Output: 4 dBu (Nominal) 27 dBu at Max Gain Aux Output: -2 dBu (Nominal) 21 dBu at Max Gain Matrix Output: -2 dBu (Nominal) 21 dBu at Max Gain Insert Send: -2 dBu (Nominal) 21 dBu at Max Gain Tape/Record Output: 0 dBu (Nominal) 21 dBu at Max Gain Direct Output: 0 dBu (Nominal) 21 dBu at Max GainEIN-127 dBu at Max Gain (150-Ohm Input)Noise FloorMain Output: -89 dB (24 Channels Routed, Ref 4 dBu, 22 Hz to 22 kHz) -85 dBu (24 Channels Routed, Ref 4 dBu, 22 Hz to 22 kHz)THD NMic Input to Main Output: 0.004% at Unity Gain ( 10 dBu, 1 kHz) Mic Input to Main Output: 0.014% at 30 dB Gain (1 kHz) Line Input to Main Output: 0.005% at Unity Gain (0 dBu, 1 kHz) Stereo Line Input to Main Output: 0.003% at Unity Gain ( 10 dBu, 1 kHz)ConnectivityAnalog Inputs1 x Stereo RCA Coaxial 2-Track Input 1 x XLR 3-Pin Balanced Talkback Input 2 x Stereo RCA Coaxial Unbalanced Aux/Line Input 24 x 1/4″ TRS Unbalanced Channel Insert 4 x 1/4″ TRS Unbalanced Subgroup Insert 2 x 1/4″ TRS Unbalanced Stereo Main Insert 1 x 1/4″ TRS Unbalanced Main Insert 24 x XLR 3-Pin Balanced Mic Input 24 x 1/4″ TRS Balanced/Unbalanced Line Input 4 x 1/4″ TRS Balanced/Unbalanced Line Input (2 Stereo Pairs)Analog Outputs1 x 1/4″ TRS Headphone Output 1 x 1/8″ / 3.5 mm TRS Headphone Output 1 x Stereo RCA Coaxial Unbalanced 2-Track Output 24 x 1/4″ TRS Balanced Direct Output 3 x XLR 3-Pin Balanced Main Output 4 x 1/4″ TRS Balanced Subgroup Output 2 x 1/4″ TRS Balanced Matrix Output 6 x 1/4″ TRS Balanced Mono Aux SendPhantom Power 48 V (Selectable on Individual Inputs)USB1 x USB-B 1.1()USB I/O Capacity2 x Input / 2 x OutputPowerAC Input Power100 to 240 VAC, 50 / 60 HzPower Consumption60 W (Maximum)PhysicalRack MountableNoDimensions36.6 x 5.1 x 22.1″ / 93 x 12.9 x 56 cmWeight40 lb / 18.1 kgPackaging InfoPackage Weight62 lbBox Dimensions (LxWxH)42 x 22 x 10.8″