Adastra UM90 Compact Mixer Amplifier

The Adastra amplifier UM90 Compact 100V Mixer is a versatile audio mixer designed for use in commercial audio applications where multiple audio sources need to be mixed and distributed to a 100V line speaker system.

The mixer has four mono input channels, each with a balanced XLR input and a 1/4 inch jack input. It also has one stereo input channel with two 1/4 inch jack inputs. The mixer includes a built-in 100V line transformer, which allows it to be directly connected to a 100V speaker system.

The UM90 also has a built-in MP3 player with a USB input, allowing for playback of digital audio files directly from a USB storage device. It also has a built-in Bluetooth receiver, enabling wireless audio streaming from compatible devices.

The mixer features independent level controls for each input channel, as well as bass and treble tone controls for adjusting the overall sound of the audio mix. It also includes a master level control and an on-board amplifier, providing a total power output of up to 90W to drive connected 100V line speakers.

Adastra UM90 Compact 100V Mixer is a versatile and convenient audio mixer that is well-suited for use in small to medium-sized commercial audio installations, such as in retail stores, restaurants, and small conference rooms.