The NuX Optima Air is a dual-switch acoustic guitar simulator with a preamp for acoustic and electric guitar players. It simulates the acoustic guitar profiles with the best-optimized sound depending on your guitar and pickup type. IR loader combined with a preamp which is equipped with 3-band EQ and gain controls with an additional one-knob-control reverb effect. NuX Optima Air has a unique profile capture function, you can create your own acoustic guitar profile (IR file) by capturing your favorite acoustic guitar's sound. There is an XLR DI output for direct line/mixer connection, headphones output for silent play, and auxiliary input to connect a music player to play along.

The NuX Optima Air is equipped with a pre-amp that allows you to enhance your sound by using a 3-band equalizer. The beauty of an analog circuit is that chaos makes the muse. While you tweak the knob, it affects itself and also other parameters. Driven by NuX's white box algorithm (physical modeling) of Neve 1073, Optima Air can replicate the chaos in a compact size, while providing lots of features like USB audio stream, Reverb function, and IR capture.

You can load 3rd party IRs and edit preset names through editor software. Optima Air supports USB audio streams, which means you could use Optima Air as a recording interface. You can adjust USB audio routing through editor software.

Run the pedal in capturing mode; press the IR footswitch and hold, and plug in the power cable. You need to use a condenser microphone for better results. Connect the acoustic guitar to the Optima Air's input, place the microphone and connect a microphone to a microphone preamp. And connect the microphone preamp's output to the Optima Air's return.

Optima Air is loaded with 15 impulse response files. Each impulse response file is optimized for the guitar type and the pickup type. The IR file names are included the guitar profile, optimized guitar type, and pickup type. Press the IR footswitch to activate/deactivate the IR function.