The VLZ4 design goal was simple: every VLZ4 mixer must have the highest headroom and lowest noise possible. Plus it truly is "Built-Like-A-Tank" with a rugged solid steel chasis and high contrast controls for ultimate tactile control. And with features like instrument level inputs, phantom power and level metering, the 1642VLZ4 offers a true step up performance and durability that's ideal for your professional application. VLZ Each generation of VLZ mixers benefits from a reinvestment in performance, all without raising prices. By continuing to ignore the ??ace to the bottom,??VLZ4 benefits from generations of performance improvements like transparent EQ, class-leading negative summing bus architecture and custom-designed op-amps to ensure signal integrity from every input to every output. The result is a mixer that is at the peak of performance and is the obvious go-to compact analog mixer for engineers who demand professional results. Onyx The performance of Mackie?? Onyx mic preamps is more than proven. Just check all the amazing reviews and customer testimonials. Their boutique quality sound and unmatched performance rival any high-priced, boutique preamp on the market. Adding these flagship preamps to the VLZ4 Series compact mixers underlines Mackie's commitment to continually improving the performance of the VLZ line with each generation. Features: 32-channel 4-bus mixer Mackie signature high-headroom/low-noise design 28 boutique-quality Onyx mic preamps Ultra-wide 60dB gain range 128.5 dB dynamic range +22 dBu line input handling Extended frequency response Distortion under 0.0007% (20Hz ??50kHz) Improved RF rejection perfect for broadcast applications Phantom power for condenser mics Dedicated inline compression for critical inputs (ch. 25-28) Level, pan, solo and overload/mute LEDs on each channel 3-band EQ with sweepable midrange 18 dB/oct 100Hz low-cut filter on mic input channels Dual 32-bit RMFX+?? processors Use your favorite plug-in live via auxes 5/6 Convenient stereo return to mains for music playback Return to channel to implement EQ, auxes and more PFL/AFL solo modes High-resolution 12-segment stereo meters Sealed rotary control resist dust and grime Rugged steel chassis with powder-coat finish High-visibility, high-contrast controls for clear visual feedback Universal power supply for worldwide use