The Mackie 1604VLZ4 16-Channel 4-Bus Compact Mixer includes a combination of Onyx preamps and a high-headroom / low-noise design. All 16 channels feature an Onyx microphone preamplifier, line input and insert in a compact 4-bus design built for application flexibility and professional performance. The mixer is built-like-a-tank with a rugged solid-steel chassis and high-contrast controls for tactile control. It is a band-friendly analog mixer used in professional broadcast and post facilities 16-Channel mixer featuring high-headroom, low-noise design 16 Boutique-Quality Onyx Microphone Preamps: Wide 60 dB gain range 128.5 dB dynamic range +22 dBu line input handling Extended frequency response Distortion under 0.0007% (20 Hz to 50 kHz) Improved RF rejection, suitable for broadcast applications Phantom power for condenser microphones 16 high-headroom line inputs with +4 / -10 operation control 16 balanced inserts suitable for integrating outboard gear 3-band EQ with sweepable midrange 18 dB/octave 75 Hz low-cut filter on microphone input channels Four AUX sends, level, pan and solo and overload / mute LEDs on each channel Four stereo returns, eight direct outs and four group / bus outputs 60mm long-wearing log-taper faders Control room / phones multi-input source matrix High-resolution 12-segment stereo meters Sealed rotary controls resist dust and grime Built-like-a-tank rugged steel chassis with powder-coat finish High-visibility, high-contrast controls deliver convenient at-a-glance visual feedback Rack-mountable design with 3 physical configurations via Rotopod accessory (sold separately) Multi-voltage power supply for worldwide use Applications: Live sound mixing, houses of worship, clubs, gymnasiums, banquet halls, conference rooms, boardrooms, multi-track studio and field recording, video post-production, multimedia applications, broadcast, and many more