The GS-GC24A is a compact ISDN device with a single G711/G722 codec and three mic/line XLR inputs.

The unit also features a headphone amplifier and can be powered either by batteries or an external power supply. For ISDN dialing and answering calls, a front panel keypad is provided. There are also LEDs to display call functions and battery power level.

• 3-channel mixer with mic/line inputs

• Phantom power

• Battery or mains-powered