MIXING BOARD Mackie 402VLZ4 Mixer. The 4-channel 402VLZ4, featuring Mackie Onyx's flagship preamps, offers a professional high-threshold/low-noise design, 'Built-Like-A-Tank' construction, all in an ultra-compact form factor ideal for the desktop. - 2 Onyx mic preamps, ultra-wide range of 60 dB gain, 128.5 dB dynamic range, line input + 22 dBu, extended frequency response, distortion less than 0.0007% (20Hz - 50kHz). Improved RF rejection, perfect for broadcast applications. Phantom power for condenser microphones. 4 high threshold line inputs. Selectable instrument inputs on the first two channels - no DI box required. 2-band EQ (80 Hz, 12 kHz). Low cut filter 18 dB / octave 100 Hz on microphone input channels. High-resolution 8-segment stereo meters. Sealed rotary controls resist dust and dirt. Sturdy 'Built-Like-A-Tank' steel chassis with powder-coated finish. Universal power supply for use worldwide.