MIXING BOARD Mackie 1604VLZ4 Mixer. The 16-channel 1604VLZ4, 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. - 16 Onyx mic preamps, ultra-wide range 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. 16 high threshold line inputs with +4/-10 operation control. 16 balanced inserts. 3-band EQ (80Hz, 2.5kHz, 12kHz). Low cut filter 18 dB / octave 75 Hz on microphone input channels. 4 AUX sends, level, Pan and PFL Solo on each channel. 60mm faders. 2 stereo returns for connecting effects units or other stereo sources. ALT 3/4 stereo bus for routing flexibility. High-resolution 12-segment stereo meters. Sealed rotary controls resist dust and dirt. Sturdy 'Built-Like-A-Tank' steel chassis with powder-coated finish. Designed for rack use with optional mounting kit. Universal power supply for use worldwide.