API MC531 Desktop Monitor ControllerBuilding on API's rich heritage of building high-quality recording consoles, we introduce the MC531
Monitor Controller. Based on the monitor sections found in API consoles, the MC531 is a flexible, highquality,
stereo audio monitor controller, in a stand-alone configuration. While designed to provide
fully-featured monitor control for DAW workflows, the MC531 can integrate seamlessly into any audio
production environment where sonic integrity, full functionality, and ease of use are paramount.
MC531 Overview
The MC531 is a comprehensive monitor controller that provides the following functions and features:
- Selectors for three sets of stereo monitors:
- MAIN
- ALT 1 (alternate 1) with trim
- ALT 2 (alternate 2) with trim
- Assignable subwoofer integration:
- Programmable link with the MAIN, ALT 1, and/or ALT 2
SUB ON/off button and trim
- Seven total stereo input sources:
- Five stereo input source selectors
- Three analog balanced, line-level input sources (ST-1, ST-2, ST-3)
- Two digital input sources (ST-4)
- AES
- USB (no driver required)
- Digital synchronization LED indicators
- Two consumer input sources (ST-5)
- 3.5mm MINI Plug (front and rear)
- Bluetooth (BT)
- High-resolution 18-segment LED input source meter
- Main output section:
- DIM function with level control
- Independent Left (LT) and Right (RT) mute buttons
- CUT (mute) button
- MONO summing button
- C/R LEVEL volume potentiometer with large API knob
- Selectable API 2520 op-amp/transformer or electronically balanced output stages
- XLR output connectors MC531 Monitor Controller API 3
- Two independent headphone outputs:
- ON/off button
- LEVEL potentiometer
- Choice of 2 sources:
- Control Room (C/R) source
- CUE source
- Talkback to headphones
- Talkback electret microphone
- Talkback GAIN
- TALKBACK activation button
The MC531 is built to the same exacting build standards as API consoles and includes a 5-Year Warranty