ART Pro Audio TUBEMIX 5-Channel Mixer with USB and Assignable Tube serialized The amplifiers are a 1U

The amplifiers are a 1U rack 19-inch size is very appropriate for many types of installations

Impedance:  <150 Ω

or speaker level signals to a mixer or other balanced inputs

Operating Frequency: 2

ART Pro Audio TUBEMIX 5-Channel Mixer with USB and Assignable Tube serialized The amplifiers are a 1UThe ART Tube Mix provides a compact versatile audio interface. The Mixer supports two mic inputs, one high Impedance Instrument input, and two line inputs simultaneously. The Tube can be assigned to act as a dual channel tube mic preamp, or stacked and applied to the Instrument input for added warmth and tone with guitar or bass. Product Specifications: Type: Tube Preamp Mixer Channels: 5 Computer Connectivity: USB (2 x 2) A D Resolution: 16 bit 48kHz