Features:

• Balanced microphone/telephone audio page port input, high impedance auxiliary input
• Screwdriver adjustable volume controls for each input, bass, treble and master
• Voice operate priority automatic switching and slide switch to choose priority or mix inputs
• Screw terminals are provided for all connections
• Dimensions: 10.56" (26.8 cm) W x 8.25" (20.96 cm) H x 2.9" (7.37 cm) D