1. Product Overview
The MIDIPLUS STUDIO-M PRO is an advanced USB audio interface designed for high-quality audio recording and playback. It features a 24-bit/192KHz high-precision converter and pure amplifier inputs, ensuring pristine sound reproduction. Its robust aluminum alloy and metal construction make it durable for any personal studio environment. The intuitive panel design and new driver software provide easy control over your audio.

Figure 1: Front view of the STUDIO-M PRO, showing input, gain controls, and level meters.
2. Key Features
- High-Precision Conversion: Supports 24-bit/192KHz audio resolution for superior clarity and detail in recordings.
- Upgraded Preamps: Equipped with high-quality preamplifier inputs and pure instrument/linear inputs, including 48V phantom power for condenser microphones.
- Intuitive Monitoring: Input gain knobs feature two-color level meter lights for real-time signal monitoring.
- Flexible Outputs: Two 1/4'' TRS balanced outputs for connecting to monitor speakers and an independent headphone output with its own volume control.
- Studio Mix Driver: New driver software with 8 wire connect presets, sample rate selection, and ASIO settings for various audio processing, live broadcast, gaming, or video playback scenarios.
- Durable Construction: Aluminum alloy panel and metal bottom shell for enhanced durability and stability.
3. Setup Guide
3.1. Unpacking and Initial Inspection
Carefully remove all components from the packaging. Verify that all items listed below are present and undamaged:
- MIDIPLUS STUDIO-M PRO Audio Interface
- USB Cable
- Quick Start Manual
- Software License (if applicable)

Figure 2: Contents of the STUDIO-M PRO retail package.
3.2. Hardware Connections
Follow these steps to connect your STUDIO-M PRO to your computer and audio equipment:
- Connect to Computer: Use the provided USB cable to connect the STUDIO-M PRO's USB port to an available USB port on your computer.
- Connect Microphones/Instruments: Plug your microphone (XLR) or instrument (1/4" TS/TRS) into the INPUT jack on the front panel.
- Connect Monitor Speakers: Connect your active monitor speakers to the LEFT and RIGHT 1/4" TRS balanced outputs on the rear panel.
- Connect Headphones: Plug your headphones into the HEADPHONE jack on the rear panel.

Figure 3: Rear panel connections of the STUDIO-M PRO, including USB, headphone, and balanced outputs.
3.3. Software Installation
For optimal performance, it is crucial to install the latest Studio Mix driver software. Visit the official Midiplus website to download the appropriate driver for your operating system (Windows is supported). Follow the on-screen instructions during installation.
4. Operating Instructions
4.1. Input Gain Control
The front panel features controls for managing your input signals:
- GAIN Knob: Adjust this knob to control the input level of your microphone or instrument. The two-color LED meters (CLIP, 0, -3, -6, -12, -24) indicate the signal strength. Aim for the signal to peak around -3dB to avoid clipping (red CLIP LED).
- INST Button: Press this button when connecting a high-impedance instrument, such as an electric guitar or bass, directly into the input.
- 48V Button: Activate this button to supply 48V phantom power to condenser microphones that require it. Ensure your microphone is connected before engaging 48V.
4.2. Monitoring and Output
Control your output and monitoring levels:
- MONITOR Knob: This knob controls the overall output volume to your main monitor speakers connected to the rear TRS outputs.
- HEADPHONE Knob: This knob independently controls the volume of the headphone output. Adjust to a comfortable listening level.
4.3. Using the Studio Mix Driver Software
The Studio Mix driver software provides advanced control over your audio interface. It allows you to:
- Select sample rates (e.g., 44.1kHz, 48kHz, 96kHz, 192kHz).
- Configure ASIO settings for low-latency performance in digital audio workstations (DAWs).
- Utilize 8 wire connect presets for quick configuration for different applications like audio processing, live streaming, gaming, or video playback.
- Monitor input and output levels digitally.
Refer to the Studio Mix software's built-in help or online documentation for detailed instructions on its features.
5. Maintenance
To ensure the longevity and optimal performance of your MIDIPLUS STUDIO-M PRO, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the unit. Avoid using abrasive cleaners, solvents, or waxes, as they may damage the finish.
- Storage: When not in use for extended periods, store the interface in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the unit with care. Avoid dropping it or subjecting it to strong impacts.
- Ventilation: Ensure proper ventilation around the unit to prevent overheating. Do not block any vents.
6. Troubleshooting
If you encounter issues with your STUDIO-M PRO, refer to the following common problems and solutions:
- No Power/No Lights:
- Ensure the USB cable is securely connected to both the interface and your computer.
- Try a different USB port on your computer.
- Verify your computer is powered on.
- No Sound Output:
- Check that the MONITOR and HEADPHONE volume knobs are turned up.
- Verify that your monitor speakers are powered on and connected correctly.
- Ensure the STUDIO-M PRO is selected as the default audio output device in your computer's sound settings or DAW.
- Check cable connections to speakers/headphones.
- No Input Signal:
- Ensure your microphone or instrument is properly connected to the INPUT jack.
- Adjust the GAIN knob.
- If using a condenser microphone, ensure the 48V phantom power is engaged.
- If using an instrument, ensure the INST button is pressed.
- Verify the STUDIO-M PRO is selected as the default audio input device in your computer's sound settings or DAW.
- Distorted Sound:
- Reduce the input GAIN to prevent clipping (red CLIP LED).
- Check for faulty cables.
- Ensure the sample rate and buffer size settings in your DAW and Studio Mix driver are appropriate for your system.
- Driver Issues:
- Reinstall the latest Studio Mix driver from the official Midiplus website.
- Temporarily disable antivirus software during driver installation.
If the problem persists, contact Midiplus customer support for further assistance.
7. Technical Specifications
| Feature | Specification |
|---|---|
| Item Weight | 1 Kilograms (2.2 pounds) |
| Connectivity Technology | USB |
| Brand | Midiplus |
| Operating System Compatibility | Windows |
| Hardware Interface | USB |
| Compatible Devices | Headphone |
| Date First Available | July 21, 2020 |
| Audio Resolution | 24 bit/192KHz |
| Inputs | 1x Combo XLR/TRS Input (with 48V phantom power, INST switch) |
| Outputs | 2x 1/4'' TRS Balanced Outputs, 1x Headphone Output |
8. Warranty and Support
Information regarding the specific warranty terms and conditions for the MIDIPLUS STUDIO-M PRO is not available in the provided product data. Please refer to the official Midiplus website or contact their customer support directly for detailed warranty information and technical assistance.
For support, visit: Midiplus Store on Amazon





