Korg's ZERO4 is an 4-channel all-in-one "core station" designed for live performance artists, remix producers, and serious computer musicians providing a digital mixer, audio I/O, MIDI controller, and effect processor all in a single unit. Each channel can be switched between sources such as a turntable, CD player, microphone, computer, instrument, MIDI controller, or MIDI controller + audio to implement a sophisticated live mixing setup with the simplicity of a FireWire connection. This gives you an incredibly powerful and flexible tool designed specifically for live performance and remix production.

Designed for high-quality digital and analog audio ZERO LIVE CONTROL MIXER delivers truly professional-spec audio. It supports 24-bit 48 kHz high-resolution audio as standard, and can support up to 24-bit 192 kHz audio that's equivalent to DVD audio fidelity. Along with the digital domain, analog components such as the input/output circuitry and power supply have been designed with painstaking attention to high-quality sound. The internal ±18 volt power supply design delivers plenty of headroom and excellent audio quality. The mic preamps are an ultra-low impedance design by Peter Watts, a veteran designer of numerous professional mixers throughout his tenure at the Trident Corporation in the UK and as chief designer and vice president for product development at Mackie Designs in the USA. Finally, the power supply is a universal design that does not require an AC adapter, ensuring that the world-traveling professional can get to work immediately, assured of the highest level of performance.

EQ Variety The EQ Selector is a completely new idea, providing an EQ section with eleven different simulation types. They cover needs ranging from corrective equalization to boldly creative sound-shaping, giving you a variety of EQ responses and curves, filter characteristics, and even isolator modeling that can be switched independently for each channel as needed. The stereo four-channel ZERO4 provides one unit that is shared by all channels.

FireWire control over audio and MIDI ZERO LIVE CONTROL MIXER contains a FireWire interface that lets you process and mix audio sources digitally, at the same time as performing MIDI control. Since ZERO LIVE CONTROL MIXER contains everything else you need (audio interface, mixer, effect processor, MIDI controller), setup is simple, making it an extremely convenient choice for the mobile computer-based professional.

A full complement of effects One particular advantage of the ZERO series is its powerful effect system. On the stereo four-channel ZERO4, there are Insert effects for independent use on each channel, plus a Master effect connected to sampler/effect buss.

The ZERO4 also contains a loop sampler that can synchronize to the BPM. This makes it easy to sample or play back loops (or one-shot samples) in perfect time with the current tempo, giving you the flexibility for complex mixes or dub mixing.

A complete MIDI control surface By using the dedicated "ZERO Edit" software you can freely assign MIDI messages to the faders, knobs, buttons, and toggle switches. This allows you to use the abundant hardware on the ZERO Mixers to control soft synths, DAWs, effects processors and much more. Since each channel of the mixer can be assigned to different functions you can be mixing the audio from your computer with one channel while adjusting MIDI parameters with another.

Professional-level hardware design The crossfader of the stereo four-channel ZERO4 uses a two-rail design for excellent durability. The compact chassis is made of aluminum alloy and steel for portability and durability. The periphery of the control knobs is illuminated in two colors depicting audio mode and MIDI mode, ensuring accurate control on stage or in dim lighting.

Korg ZERO4 Live Control Mixer Specifications:

• Frequency Response: 10 Hz ~ 20 kHz +/-1 dB, -2dB @ fs 44.1 kHz, 10 Hz ~ 21 kHz +/-1 dB @ fs 48 kHz, 10Hz ~ 40 kHz +/-1 dB @ fs 96 kHz, 15 Hz ~ 50 kHz +/-1 dB @ 192 kHz
• S/N: 93 dB (typical) @ IHF-A
• THD+N: 0.02 % (typical) INPUT: +22dBu@GAIN=0dB
• A/D Conversion: 24-bit, 64-time oversampling
• D/A Conversion: 24-bit, 128-time oversampling
• Sampling Frequency: Internal 44.1 kHz, 48 kHz, 96 kHz, 192 kHz
  
  Input 1-4 (Line, CD/Line)
• Connectors: 1/4" TRS phone jacks (balanced) L/R, RCA jacks L/R
• Input Impedance: 10 k Ohms
• Nominal Level; TRS: +4 dBu@ GAIN = 0 dB (GAIN = -infinity ~ 0 dB), RCA: -10 dBu@ GAIN = 0 dB (GAIN = -infinity ~ +6 dB)
• Maximum Level; TRS: +22 dBu@ GAIN = 0 dB (GAIN = -infinity ~ 0 dB), RCA: +8 dBu@ GAIN = 0 dB (GAIN = -infinity ~ +6 dB)
• Source Impedance: 600 Ohms
  
  Phono 1-4
• Connectors: RCA jacks L/R
• Input Impedance: 50 k Ohms
• Nominal Level: -44 dBu @ 1kHz, GAIN = 0 dB (GAIN = -infinity ~ +6 dB), RIAA compliant
  
  Mic Input:
• Connectors: XLR-3-31 type (+48 V phantom power, with switch), 1/4" TRS phone jack (balanced)
• Input Impedance: 3 k Ohms/XLR, 5 k Ohms/TRS
• Nominal Level: Hi: 60 dBu @ GAIN = 0 dB (GAIN = -infinity ~ 0 dB)
• Low: -40 dBu @ GAIN = 0 dB (GAIN = -infinity ~ 0 dB)
• Maximum Level: Hi: -42 dBu @ GAIN = 0 dB (GAIN = -infinity ~ 0 dB),
• Low: -22 dBu @ GAIN = 0 dB (GAIN = -infinity ~ 0 dB)
• Source Impedance: 600 Ohms
  
  Guitar Input
• Connector: 1/4" phone jack (unbalanced)
• Input Impedance: 1 M Ohm
• Nominal Level: -6 dBu @ GAIN = 0 dB (GAIN = -infinity ~ +6 dB)
• Maximum Level: +12 dBu @ GAIN = 0 dB (GAIN = -infinity ~ +6 dB)
• Source Impedance: 600 Ohms
  
  Master Output
• Connectors: XLR-3-32 type L/R
• Output Impedance: 150 Ohms
• Nominal Level: +4 dBu
• Maximum Level: +22 dBu
• Load Impedance: greater than 10 k Ohms
  
  Booth Output
• Connectors: 1/4" TRS phone jacks (balanced) L/R
• Output Impedance: 150 Ohms
• Nominal Level: +4 dBu
• Maximum Level: +22 dBu
• Load Impedance: greater than 10 k Ohms
  
  Rec Output
• Connectors: RCA jacks L/R
• Output Impedance: 150 Ohms
• Nominal Level: -10 dBu
• Maximum Level: +8 dBu
• Load Impedance: greater than 10 k Ohms
  
  Phones Output
• Connectors: 1/4" stereo phone jack, mini-stereo phone jack
• Output Impedance: 100 Ohms
• Maximum Level: 80 mW + 80 mW @ 32 Ohms
  
  S/P DIF Output
• Connector: coaxial
• Format: 24-bit S/P DIF (IEC60958)
  
  Firewire
• Connector: IEEE 1394 6-pin connector x2
• Format: IEEE 1394a
  
  MIDI
• Connector: In. OUT
  
  General
• Power Supply: AC Local Voltage
• Power Consumption: 32 Watts
• Dimensions: 300 (W) x 402 (D) x 105 (H) mm / 11.81" (W) x 15.83" (D) x 4.13" (H)
• Weight: 5.5 kg / 12.13 lbs.
• Included items: Power cable, CD-ROM
• Dimensions: 11.81" (W) x 15.83" (D) x 4.13" (H)/
• 300 (W) x 402 (D) x 105 (H) mm
• Weight: 12.13 lbs./5.5 kg

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