Alpha Omega Ultra has been upgraded to "V2" with AUX input! The Alpha and Omega Ultra have been best-selling models since their release, and now the V2 version has been released with an additional AUX input. From stage performances to home practice, these versatile tools are a great choice for any occasion. The Alpha and Omega Ultra are the most versatile bass preamps in the Darkglass product line. Featuring two distinct distortion circuits (ALPHA and OMEGA), extremely high dynamic range, a 6-band active graphic EQ, a headphone output, and a balanced direct output with switchable cabinet emulation using digital impulse responses (IRs), they are the most complete tools for the modern bass player. The new Alpha and Omega Ultra from Darkglass Electronics feature digital cabinet emulation. Simply connect the pedal to your PC/Mac via USB cable and use the Darkglass Suite software to select and control the cabinet emulator you want to use. Size: 95mm x 120mm x 55mm Weight: 425g - Equipped with ALPHA OMEGA DUAL ENGINE - Equipped with 6-band EQ - Cabinet and impulse response management and loading - Equipped with many Darkglass factory impulse responses - Control cabinet simulation volume - Control IR settings etc. using DARKGLASS SUITE (software) - Footswitch mode control enable/disable switch - Equipped with DI output and headphone output - Equipped with AUX input Windows 7 or later Windows OS Mac OS X 10.9 Mavericks or later 1. Download the software from the official website. 2. Run the downloaded file to install it. 3. Connect the pedal to your computer. 4. Start the software. *The Alpha and Omega Ultra consume 110mA of power. Use a regulated 9V DC adapter with a center negative polarity. Due to environmental considerations, this unit does not support 9V battery power (006P). Please note that using an unregulated power supply or supplying a voltage higher than 9VDC may result in noise or damage to the unit, voiding the warranty.