Line8

8 Channel Line/Mic Mixer

Two modes of operation:

• Stereo mode: Inputs A1 through A4 are routed to output A and inputs B1 through B4 are routed to output B. Each are mic/line selectable.
• Mono mode: All 8 inputs are sent to output A only
  Rockville Audio Line8

Features:

• 8 Mono or 4 Stereo Channels (Stereo or Mono Selectable Switch)
• Selectable Line or Mic Input on inputs A1-A4 and selectable mic/line level inputs on channels B1-B4
• Dual Power Supply: Power Adapter (Included) or 9V battery (Not Included)
• Ultra Low-Noise – Perfect Sound Quality Even at Max Volume
• 8 Inputs with individual volume controls (1/4" TS)
• 2 Outputs (1/4” TS)
• 2 Master Knobs for Adjusting the Output Volume on Each Channel
• Compact, Portable Size
• Strong Aluminum Housing
• Product Dimensions: 5.9" x 4.3" x 2.6" inches
• Product Weight: 1.3 Lbs

https://www.rockvilleaudio.com/line8/