Mackie PROFX8V2 Specs

Equivalent Input Noise 150 ohm source impedance, 20 Hz to 20 kHz:
Mic in to insert send out, max gain -125 dBu
Residual Output Noise All outputs, master levels off, all channel levels off: -95 dBu
All outputs, master levels unity, one channel level unity: -80 dBu
Frequency Response Mic input to any output (gain at unity, +0 dB / -1 dB): 20 Hz to 30 kHz
THD+N 22 Hz to 80 kHz bandwidth: Mic in to Main out (+4 dBu output): < 0.03%
Attenuation and Crosstalk Adjacent Inputs @ 1 kHz: -90 dB
Inputs to Outputs @ 1 kHz: -80 dB
Fader Off @ 1 kHz: -75 dB
Mute Switch / Break Switch Mute @ 1 kHz: -90 dB
Common Mode Rejection Ratio Mic In to Main Out, max gain, 1 kHz: 70 dB
Maximum Level All inputs: +22 dB
Main Out XLR: +28 dBu
All other outputs: +22 dBu
Impedance Mic In 3.8 kOhms
Channel Insert Return 10 kOhms
All other inputs ≥ 20 kOhms
Tape output 1 kOhms
Phones output 25 ohms
All other outputs 120 ohms unbalanced, 240 ohms balanced
Equalization Low ±15 dB @ 80 Hz
Mid ±15 dB @ 2.5 kHz
High ±15 dB @ 12 kHz
Low Cut Filter 18 dB/octave @ 100 Hz
Maximum Voltage Gain Mic Input Channel to:
Insert Output: 50 dB
Tape Output: 60 dB
USB Output: 50 dB
1/4″ Main Output: 70 dB
XLR Main Output: 76 dB
Monitor Send: 76 dB
FX Send: 90 dBMono Line Input Channel to:
Insert Output: 30 dB
Tape Output: 40 dB
USB Output: 30 dB
XLR Main Output: 56 dB
Monitor Send: 56 dB
FX Send: 70 dB

Stereo Line Input Channel to:
Tape Output: 30 dB
USB Output: 30 dB

XLR Main Output: 46 dB
Monitor Send: 46 dB
FX Send: 60 dB

Tape Input to:
XLR Main Output: 36 dB

USB Input to:
XLR Main Output: 36 dB

Stereo Return to:

XLR Main Output: 26 dB

Digital Effects I/O: mono input / stereo output
Number of Presets: 16
Meters 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, -30Channel OL LED:
Measured post-EQ, pre-fader (-3 dB before channel clipping): 18 dBu
Graphic EQ Frequency Centers [7-Band]: 125, 250, 500, 1k, 2k, 4k, 8k
Gain: ±15 dB
Assignable to Main or Monitor, bypassable
USB USB Recording to Computer (Mac & Win)
Phantom Power 48 VDC to all mic channels simultaneously
AC Power Requirements Power Consumption: 20 watts
Universal AC Power Supply: 100 – 240 VAC, 50 – 60 Hz
Class II Detachable Line Cord: Yes
Operating Temperature 32 – 104˚F (0 – 40˚C)
Dimensions 3.6 x 11.4 x 14.1″ (91 x 290 x 358 mm)
Weight 7.1 lb (3.2 kg)