- 4 Dedicated microphone inputs (XLR connectors)
- 1 Selectable MIC/TEL input
- 1 Selectable MIC/AUX input
- 1 Dedicated AUX input
- 4-Ohm direct output
- 8-Ohm, 25V, 25VCT, and 70V transformer-coupled outputs
- 35W, 60W, 100W, 150W, and 250W models
- Rack mountable-- 2RU package for all models
- Dual-function 10-band graphic equalizer (Acoustic EQ/Feedback Control)
- True loudness contour function
- Audio Enhancement feature for improved intelligibility
- Switchable phantom power (15V DC)
- Variable AUX input muting
- Remote master volume control capability
- Input muting via contact on all inputs
- Voice-activated AUX muting on TEL input
- Automatic level control on TEL input
- AUX fade back after TEL page
- Preamp out/Power amp in connections
- Booster amp output connection
- Tape output connection
- Balanced line driver output (using WMT1A accessory)
- Lo-cut filter for MIC channels
- Available tamper-resistant cover (GSTRC)
- Available rack mounting kit (GSRPK)
- Available remote volume control (GSRVC)