API MC531 Monitor Controller – Professional Monitoring with Legendary API Sound

The API MC531 Monitor Controller brings the renowned sonic quality and reliability of API’s legendary console center sections to modern studio setups. Designed with the same uncompromising build quality as the rest of API’s professional product line, the MC531 is a powerful and intuitive monitoring solution that seamlessly integrates into any DAW-based workflow or hybrid setup.

With roots in API’s long-standing heritage of world-class mixing consoles, the MC531 offers precision monitoring control in a compact and highly functional desktop unit. Built for engineers who demand transparency, versatility, and tactile control, this unit provides all the key features you’d expect from a large-format console center section.

Comprehensive Input Options:

3 x stereo balanced analog line-level inputs
1 x digital input (selectable between AES3 and USB)
3.5 mm stereo input on both front and rear panels
Bluetooth input for wireless audio streaming
All 5 inputs are buffered via API’s discrete 2510 Op Amps

Flexible Output Configuration:

3 x stereo balanced line-level speaker outputs with individual trim controls
1 x mono balanced line-level subwoofer output with adjustable trim
Independent SUB output control
Speaker outputs feature full Mute, Mono, and DIM controls

Additional Features:

2 x stereo headphone outputs with selectable source (Control Room or Cue)
CUE source selector from any of the 5 inputs
Built-in talkback microphone with gain control and dedicated on/off button
18-segment stereo LED meter for precise level monitoring
Balanced unity-level meter output for connecting external meters
External power supply for clean, reliable operation

The API MC531 is ideal for professional studios that require transparent audio path, precise control, and multiple input/output configurations. Whether you’re mixing, tracking, or mastering, the MC531 offers world-class monitor control with the trusted sonic integrity of API.