It's fully tested, all round excellent condition, in original box and comes with original manuals and power cable. The box has some signs of wear 

The Allen & Heath MixWizard WZ3 16:2 is a versatile audio mixer designed for both live sound and studio applications. Here are some key features and specifications:

• Audio Channels: It features 16 mic/line channels, each equipped with 4-band EQ, a high-pass filter (HPF), individual phantom power, 6 aux sends, a mute switch, signal and peak indicator LEDs, and a 100mm smooth-action fader.

• Direct Outputs and Inserts: Each channel provides a configurable direct output and an insert, both using all-metal TRS jacks.

• Stereo Mix and Outputs: The mixer includes a stereo main output controlled by 100mm faders with 12-segment 3-color metering and an insert.

• Mono Output: An extra mono output is available on a fader, which can be switched to provide a sub-bass mix from channel aux 6.

• Sys-Link Options: The mixer supports Sys-Link options, allowing it to act as an input expander module for larger Allen & Heath mixers.

• New Preamp Design: The WZ3 series has been redesigned with a new preamp design and tailored EQ frequencies, making the high and low shelving filters more responsive at key frequencies.

• Build Quality: The MixWizard WZ3 16:2 is known for its robust construction, with discrete circuit boards for each channel, making it reliable and repairable if any channel fails.

This mixer is highly regarded for its sound quality and reliability, making it a popular choice among professional audio engineers and enthusiasts.