Mackie ProFX4v2 Professional 4 Channel Mixer

Product ID: 207146

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  • 4-channel professional mixer with Mackie Vita mic preamps
  • ReadyFX engine with 16 effects including reverbs, delays and choruses
  • 7-band graphic EQ for tuning mains or monitor outputs
  • Wide range of input choices, including high-impedance input for connecting guitar and bass directly
  • Aux controls across every channel
  • Headphone output with separate level control for silent monitoring
  • Break switch mutes all channels for music playback
  • Includes Tracktion recording software


The Mackie ProFX4v2 Professional 4 Channel Mixer is an awesome live sound toolkit that allows you to get the job done with ease.

Mackie Vita mic preamps

Boasting eight channels for you to play with, the ProFX4v2 features four Mackie Vita preamps, which provide incredibly quiet signal routing that makes them perfect for real-time live sound applications. Pushing them at full-pelt is no problem for these beauties, responding sweetly to both dynamic and condenser inputs, whilst offering 48 VDC phantom power to all mic channels simultaneously.

As well as the mic inputs, there is a range of balanced and unbalanced 1/4-inch inputs, as well as a Hi-Z input that allows you to directly connect a guitar, bass, or other high impedance instruments.

Mackie ReadyFX

Built into the ProFX4v2 is the ReadyFX digital effects engine, which gives direct access to 16 awesome reverbs, delays, and choruses that enable you to give any performance the lift it deserves. The control interface allows you to easily dial in the desired effect, which is indicated on the LCD display. The effect can then be muted, the level of the effect attenuated using the FX Master knob and even sent to the monitor mix using the FX to MON knob.

As well as ReadyFX, there is a Graphic EQ that allows you to attenuate and sculpt the mains or monitors with exceptional flexibility. Along each channel strip, there are three Hi, Mid, and Low EQ knobs, which allow you to shape and carve out the signal for each input.

Solid Construction

The Mackie ProFX4v2 is built to their legendary high standard of quality, with a solid steel chassis that is reinforced by tough ABS side protection. You can rest assured that wherever your music takes you, your ProFX4v2 is as safe as can be and ready to take on anything that is thrown at it.

ModelProFX4v2 Professional 4 Channel Mixer
Noise Characteristics Equivalent Input Noise (EIN): 150 Ohms source impedance, 20 Hz to 20kHz
Mic in to FX send, max gain: -128dBu
Mic in to insert send out, max gain: -125dBu
Mic in to insert send out, max gain: -128dBu
Residual Output Noise (EIN) All outputs, master levels off, all channel levels off: -95dBu
All outputs, master levels unity, one channel level unity: -85dBu; -80dBu
Frequency Response Mic input to any output (gain at unity, +0dB / -1dB): 20 Hz to 40 kHz
20 Hz to 30 kHz
Distortion (THD+N) 20 Hz to 30 kHz (gain at unity, +0dB / -1dB)
Mic in to Main out (+4dBu output) <0.01%; <0/3%
Attenuation and Crosstalk Adjacent Inputs at 1kHz: -80dB; -90dB
Inputs to Outputs at 1kHz: -80dB
Fader Off at 1kHz: -80dB; -75dB
Mute Switch / Break Switch Mute at 1 kHz: -90dB; -100dB
Common Mode Rejection Ratio Mic In to Main Out, max gain, 1kHz: 70dB
Maximum Levels All inputs: +22dBu
Main Out: +22dBu
Main Out XLR: +28dBu
All other outputs: +22dBu
Impedances Mic In: 3.3 k Ohms; 3.8 k Ohms
Channel Insert Return: 10 k Ohms
All other inputs: >20 k Ohms
Tape output: 1 k Ohm
Phones output: 25 k Ohms
All other outputs: 120 Ohms (unbalanced); 240 Ohms (balanced)
Equalization Low: +/- 15dB at 80 Hz
Mid: +/- 15dB at 2.5 kHz
High: +/- 15 at 12 kHz
Low Cut Filter: 18dB/octave at 100 Hz
Digital Effects Inputs/Outputs: Mono input / Stereo output
Number of Presets: 16
Meter Main L/R Mix
Two columns of 12 segments each:
OL(+20 dBu), +15, +10, +6, +3, 0 (0 dBu), -2, -4, -7, 10, -20, -30

Channel OL LED
Measured post-EQ, pre-fader
(-3dB before channel clipping): 18dBu
Graphic EQ Frequency Centres (5-band): 80, 250, 800, 2.5k, 8k
Frequency Centres (7-band): 125, 250, 500, 1k, 2k
Gain: +/- 15dB
Assignable to Main or Monitor, bypassable
Phantom Power48 VDC to all Mic channels simultaneously
AC Power Requirements Power Consumption: 20 watts

Universal AC Power Supply: 100 - 240 VAC, 50 - 60 Hz
Class I Hard-Wired Wall Wart: 12 VDC at 1.5A
CLass II Detachable Line Cord

Operating Temperature: 0 - 40 degrees celsius
Maximum Voltage Gain (EQ Flat)
Mic Input Channel to Insert Output: 50dB
Tape Output: 60dB
1/4-inch Main Output: 70dB
XLR Main Output: 76dB
Monitor Send: 76dB; 81dB
FX Send: 75dB; 90dB
Mono Line Input Channel to Insert Output: 30dB
Tape Output: 40dB
XLR Main Output: 56dB
Monitor Send: 56dB; 61dB
FX Send: 55dB; 70dB
Stereo Line Input Channel to Tape Output: 30dB
XLR Main Output: 46dB
Monitor Send: 46dB; 51dB
FX Send: 45dB; 60dB; 55dB
Tape Input to Main Output: 30dB
XLR Main Output: 36dB
Stereo Return to Mon Output: 30dB
XLR Main Output: 26dB

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