The ProFX4v2 4-channel mixing console from Mackie features a built-in effects engine, and is ideal for a plethora of live sound reinforcement applications ranging from live bands and DJs to lecturers and presenters. With 2 XLR mic inputs with low-noise Vita microphone preamps, per channel 2-band EQ, 1 aux send, and an FX out for feeding external processors, the ProFX4v2 offers professional features to suit a wide variety of configurations.
In addition to the mic inputs, the ProFX4v2 includes 4 line inputs for connecting keyboards, samplers, and other gear. There is also an RCA tape input and output for connecting portable music players similar devices. In addition, the mixer has rugged 60mm faders for all input channels, return and main/monitor masters.
The ProFX4v2s effects engine offers 16 different effects, including reverbs, delays, and choruses. It also features a 5-band graphic EQ that can be used for tuning mains or monitors.
| Equivalent Input Noise | 150 ohm source impedance, 20 Hz to 20 kHz: Mic in to FX send, max gain -128 dBu |
| Residual Output Noise | All outputs, master levels off, all channel levels off: -95 dBu All outputs, master levels unity, one channel level unity: -85 dBu |
| Frequency Response | Mic input to any output (gain at unity, +0 dB / -1 dB): 20 Hz to 40 kHz |
| THD+N | 22 Hz to 80 kHz bandwidth: Mic in to Main out (+4 dBu output): < 0.01% |
| Attenuation and Crosstalk | Adjacent Inputs @ 1 kHz: -80 dB Inputs to Outputs @ 1 kHz: -80 dB Fader Off @ 1 kHz: -80 dB |
| Common Mode Rejection Ratio | Mic In to Main Out, max gain, 1 kHz: 70 dB |
| Maximum Level | All inputs: +22 dB Main Out: +22 dBu All other outputs: +22 dBu |
| Impedance | Mic In 3.8 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 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 1/4" Main Output: 70 dB XLR Main Output: 76 dB Monitor Send: 76 dB FX Send: 75 dB Mono Line Input Channel to: Insert Output: 30 dB Tape Output: 40 dB XLR Main Output: 56 dB Monitor Send: 56 dB FX Send: 55 dB Stereo Line Input Channel to: Tape Output: 30 dB XLR Main Output: 46 dB Monitor Send: 46 dB FX Send: 45 dB Tape Input to: Main Output: 30 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, -30 |
| Graphic EQ | Frequency Centers [5-Band]: 80, 250, 800, 2.5k, 8k Gain: ±15 dB Assignable to Main or Monitor, bypassable |
| Phantom Power | 48 VDC to all mic channels simultaneously |
| AC Power Requirements | Universal AC Power Supply: 100 - 240 VAC, 50 - 60 Hz Class I Hard-Wired Wall Wart: [12 VDC @ 1.5 A] |
| Operating Temperature | 32 - 104˚F (0 - 40˚C) |
| Dimensions | 2.9 x 8.7 x 10.1" (73 x 220 x 256 mm) |
| Weight | 3.2 lb (1.4 kg) |
