Skip to content
Everything In Music Since 1958
Everything In Music Since 1958

API MC531 Monitor Controller - Mint, Open Box

Original price $2,495.00
Original price $2,495.00 - Original price $2,495.00
Original price $2,495.00
Current price $1,745.00
$1,745.00 - $1,745.00
Current price $1,745.00
♫ In stock
About Inventory Status


Questions?
Call or text us at 301-946-8808.

In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.

Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.

Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.

█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions


Questions?
Call or text us at 301-946-8808.

New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.

Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.

Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

Educational & Government Sales Quotes

Click here to inquire about an educational or government quote and discover more about our Educational & Government Sales Division.


Get a Professional Monitoring Solution With the API MC531

Featuring the same level of craftsmanship found throughout API's entire product line, the MC531 offers a stand-alone version of the monitoring functionality built into the center section of API's legendary analog consoles. Specifically designed to include fully-featured monitor control for DAW workflows, the MC531 can integrate seamlessly into any audio production environment where functionality, ease of use and an accurate reference of each audio source is required.

Drawing inspiration from the monitor control modules of all API consoles, the MC531 features a Main and two Alternate stereo outputs, the latter having individual trims for speaker level matching. Programmable subwoofer integration allows the user to link the Sub with the Main and/or either of the Alternate outputs. With a total of seven selectable stereo input sources (three analog line level inputs, AES, USB, plus 3.5mm and Bluetooth), the MC531 can meet the monitoring needs of almost any studio setup. Two independent Headphone outputs and a built-in Talkback mic complement the feature set. Of course, the classic API 41-detent Control Room Knob is right at your fingertips.


  • 3 stereo balanced line level analog audio inputs
  • Digital audio input, selectable between AES3 or USB
  • 3.5 mm input on front and rear panel
  • Bluetooth connectivity
  • All 5 inputs are buffered with the API 2510 Op Amp
  • 3 stereo balanced line level outputs with individually adjustable trim levels
  • Mono balanced line level output for feeding a subwoofer with adjustable trim level
  • Independently assignable SUB output
  • Stereo outputs include full mute, mono, and DIM controls
  • 2 stereo headphone outputs
  • Headphone source selection toggle switch for C/R or CUE SOURCE
  • CUE SOURCE selectable from any of the 5 inputs
  • Built-in Talkback Mic with gain control and activation button
  • 18 segment stereo LED meter
  • Balanced unity level meter output for connecting to an external meter system
  • External power supply


SPECIFICATIONS

  • Input Connections
    • ST-1, ST-2, ST-3: 0.25" Balanced Analog, 30 kOhm Input Impedance
    • ST-4: Digital Input, USB Type-B, XLR female AES3
    • ST-5: Bluetooth, Mini Jack front and rear in parallel
  • Output Connections
    • Control Room Outputs: XLR, selectable electronic or transformer balanced, 75 Ohms
    • Meter Output: 0.25" Balanced
    • Headphone: 0.25" Stereo
  • Maximum Input Level: +28 dBu
  • Maximum Output Level: +28 dBu
  • Frequency Response: 20 Hz to 50 kHz, +/- 0.5 dB
  • Signal to Noise Ratio: 115 dB
  • Power Consumption: 16 W
  • Unit Size: 11 x 12.75 x 4 inches
  • Shipping Size: 14.5 x 13.5 x 8.5 inches
  • Unit Weight: 8.5 lb
  • Shipping Weight: 12 lb

Manufacturer: Automated Processes Inc
Model: MC531
SKU: I687933-GA4152024-2-WHXB


We are Chuck Levin's Washington Music Center

Maryland, Virginia, and Washington DC's legendary music shop. Family-owned and operated since 1958. Buy gear the way it was meant to be bought, from a store that's been there through it all and has the vibe to prove it. We're staffed with musicians and industry experts, people that live and breathe music gear. Our mission is to help you find the right gear for your project, that thing that will bring you the most joy out of what you do. We're an authorized dealer for almost every brand, we stock items the other stores don't, so you can try before you buy. Stop by our Wheaton, MD showroom and see for yourself.

Contact us if you have questions about one of our listings or if you need help finding the right piece of gear.

Free Shipping

Offered for thousands of items when you spend $100+

Questions?

+1 (301) 946-8808

Get A Quote

Get an educational or government quote

Easy Returns

Learn about returns.