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LD Systems ZONE 423 - 19" 2-Zone Mixer 2U The LD Systems ZONE 423 is a professional 2-zone mixer offering flexible connectivity with 4 line and 2 microphone channels, ideal for clubs, hotels, fitness centres, food outlets, presentations, and DJ setups. Key Features 2-zone mixer with master and zone outputs 4 line inputs and 2 balanced microphone channels with 12V phantom power USB stereo input/output for use as an external audio interface 3-band shared EQ for microphones and separate EQ for master and zone outputs Multiple input types: Line, Phono, Aux, FOH, USB, and 3.5mm mini jack Individual gain controls, signal and peak LED indicators, and 45 mm volume faders Balanced XLR and unbalanced RCA outputs for master and zone sections Emergency announcement input and remote-controlled mute switching Adjustable headphone output with cue function and recording output Compact 2U rackmount design suitable for professional installations Specifications Product type: Zone Mixer Number of Zones: 2 (Master, Zone) Type: Stereo Installation Height: 2U Total Input Channels: 6 (2x Mic, 1x Line/Aux, 2x Line/Phono, 1x Line/FOH) Frequency Response: 20 - 40,000 Hz Microphone Channels: 2 (with 12 V phantom power) Microphone Channel Connections: 6.3 mm stereo jack (balanced), XLR Microphone Channel Controls: On/Off, EQ Low, EQ High, Gain, Talkover, Talkover Level Microphone Channel Input Impedance: 4 kΩ Microphone Channel Input Sensitivity: 8 mV Microphone Channels THD: 0.07% Line Channels: 4 (Input 1: USB/Line, Inputs 2 & 3: Line/Phono/CD, Input 4: Line/FOH) Line Input Connectors: Input 1: 2 x RCA + 3.5 mm stereo jack + USB; Input 4: 4 x RCA + 2 x 6.3 mm jack; Inputs 2 & 3: 4 x RCA Line Channel Controls: Source, Enable FOH, Level, Gain, Cue Line Channel Input Impedance: Phono 60 kΩ, Line 6 kΩ Line Channel Input Sensitivity: 1 V (Line), 10 mV (Phono) Line Channels THD: 0.03% (Line), 0.05% (Phono) AUX/Line Input Sensitivity: 3 V Line Outputs: 3 (Master - Stereo, Zone - Stereo/Mono, Rec - Stereo) Output Connectors Master: 2 x XLR (balanced), terminal block, 2 x RCA Master Controls: EQ Low, EQ Mid, Level, EQ High, Max Level Master Display Elements: 2 x 10-segment level meter (switchable Master/Zone) Master Output Levels: Unbalanced 18 dBu, Balanced 21 dBu Zone Output Connections: Terminal block, 2 x RCA, 2 x XLR (balanced) Zone Controls: Max Level, Level, 100 Hz High Pass, Mono, EQ High, Source Input 2-4/Mix, EQ Low Zone Display Elements: 2 x 10-segment level meter (switchable Master/Zone) Zone Output Levels: Balanced 21 dBu, Unbalanced 18 dBu Recording Output Connections: 2 x RCA Headphones Output: 1 x 6.3 mm TRS with Cue Volume control Headphone Output Voltage (@ 32 Ω): 1.2 V Additional Inputs: 2 (Emergency Input, Output Mute) via terminal block Emergency Input Sensitivity: 5 V Operating Voltage: 220 - 250 V AC, 50 Hz Power Consumption: 22 W Dimensions (W x H x D): 483 mm x 89 mm x 210 mm Weight: 3.3 kg Fuse: T 500 mAL / 250 V What's in the Box LD Systems ZONE 423 2-Zone Mixer Terminal blocks Power cord