1. Introducere
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your MOTU M4 4x4 USB-C Audio Interface. The MOTU M4 is designed to deliver professional audio quality for recording, mixing, and monitoring, offering versatile connectivity and intuitive controls.
The MOTU M4 features 4 inputs and 4 outputs, including two microphone preamps, hardware monitoring, an LCD screen for metering, and loopback functionality, making it suitable for various audio production environments on Mac, PC, and iOS devices.
Image 1.1: Front perspective view of the MOTU M4 4x4 USB-C Audio Interface.
2. Configurare
Follow these steps to set up your MOTU M4 audio interface.
2.1. Cerințe de sistem
- Sistem de operare: macOS (10.11 or later), Windows (7 or later), iOS (compatible devices).
- Conectivitate: Available USB-C or USB-A port (with adapter).
- Software: Internet connection for driver and software downloads.
2.2. Instalarea driverului
- Visit the official MOTU website (motu.com/download) to download the latest drivers for your operating system.
- Rulați programul de instalare și urmați instrucțiunile de pe ecran. Reporniți computerul dacă vi se solicită.
- For iOS devices, ensure your device is updated to the latest iOS version. Drivers are typically not required for iOS.
2.3. Conexiune hardware
- Connect the MOTU M4 to your computer using the supplied USB-C cable. The device is bus-powered, so no external power supply is needed.
- Conectați monitoarele de studio la Monitor Out (L/R) mufele de pe panoul din spate.
- Plug in your headphones to the headphone jack on the front panel.
- Connect microphones, instruments, or line-level sources to the appropriate input jacks on the front or rear panel.
Image 2.1: Rear panel connections of the MOTU M4, including USB-C, MIDI In/Out, Line Out, Monitor Out, and Line In.
Image 2.2: The MOTU M4 connected to a computer, demonstrating typical studio setup with microphones and headphones.
3. Operating the MOTU M4
This section details the functions of the MOTU M4's controls and connections.
3.1. Controale panoului frontal
Imaginea 3.1: Detaliată view of the MOTU M4 front panel controls.
- IN 1L / IN 2R (Mic/Line/Guitar Inputs): Combo XLR/TRS jacks for connecting microphones, line-level instruments, or guitars.
- Butoane GAIN: Adjust the input level for IN 1L and IN 2R.
- Butoane 48V: Engage +48V phantom power for condenser microphones on respective inputs.
- Butoane MON: Enable direct hardware monitoring for inputs 1-2, allowing you to hear your input signal with zero latency.
- INPUT / PLAYBACK Mix Knob: Blends the live input signal with the playback signal from your computer for monitoring.
- INPUT MONITOR MIX (3-4) Button: Enables direct hardware monitoring for inputs 3-4 (Line In on the rear panel).
- Ecran LCD: Displays precise metering for all inputs and outputs.
- Buton MONITOR: Controls the main output volume for your studio monitors.
- Headphone Output & Knob: 1/4-inch stereo jack and dedicated volume control for headphones.
3.2. Conexiuni la panoul din spate
- Buton de alimentare: Pornește sau oprește unitatea.
- MIDI IN / OUT: Conectori DIN standard cu 5 pini pentru conectarea dispozitivelor MIDI.
- USB-C: Connects to your computer or iOS device. Provides power and data.
- LINE OUT (1-4): Balanced 1/4-inch TRS outputs for connecting to external gear.
- IEȘIRE MONITOR (S/D): Balanced 1/4-inch TRS outputs for connecting to your main studio monitors.
- LINE IN (3-4): Unbalanced RCA inputs for connecting line-level sources.
3.3. Caracteristici cheie în funcționare
- Monitorizare hardware: The MON buttons and INPUT/PLAYBACK Mix knob allow for zero-latency monitoring of your input signals, crucial for recording.
- Loopback Functionality: The M4 includes loopback channels, enabling you to route computer output back into your recording software. This is useful for podcasting, live streaming, and capturing computer audio.
- Audio de înaltă rezoluție: The M4 supports audio resolutions up to 192 kHz, ensuring high-fidelity recordings and playback.
Image 3.2: The MOTU M4 in use with an iPad and drum kit, highlighting its compatibility with iOS devices for mobile recording.
Image 3.3: The MOTU M4 connected to a MIDI keyboard, illustrating its use with various musical instruments.
4. Întreținere
Proper maintenance ensures the longevity and optimal performance of your MOTU M4.
- curatenie: Folosiți o cârpă moale și uscată pentru a curăța exteriorul unității. Evitați substanțele de curățare abrazive sau solvenții.
- Depozitare: Store the M4 in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Actualizări firmware: Periodically check the MOTU website for firmware updates. Keeping your device's firmware current can improve performance and add new features.
- Organizare de cabluri: Asigurați-vă că toate cablurile sunt organizate ordonat și nu sunt tensionate pentru a preveni deteriorarea conectorilor și porturilor.
5. Depanare
If you encounter issues with your MOTU M4, refer to the following common troubleshooting steps.
5.1. Fără ieșire audio
- Verificați toate conexiunile prin cablu (USB, monitoare, căști).
- Ensure the MONITOR and Headphone volume knobs are turned up.
- Verify that the M4 is selected as the audio output device in your computer's sound settings and your Digital Audio Workstation (DAW).
- Confirm that the LCD screen shows output metering activity.
5.2. No Input Signal
- Verificați conexiunile cablurilor de intrare.
- Adjust the GAIN knobs for the active inputs.
- If using a condenser microphone, ensure +48V phantom power is engaged.
- Verify that the M4 is selected as the audio input device in your computer's sound settings and your DAW.
- Confirm that the LCD screen shows input metering activity.
5.3. Probleme de conectare
- Încearcă un alt port USB-C pe computer.
- Asigurați-vă că cablul USB este conectat ferm la ambele capete.
- Restart your computer and the MOTU M4.
- Reinstall the MOTU M4 drivers.
For further assistance, please refer to the official MOTU support resources.
6. Specificații
| Caracteristică | Detaliu |
|---|---|
| Marca | MOTU |
| Dispozitive compatibile | Personal Computer, iOS Devices |
| Software acceptat | Performer Lite, Live Lite production (and any Core Audio/ASIO compatible DAW) |
| Tehnologia de conectivitate | USB-C |
| Numărul de canale | 4-in/4-out (8 total channels including loopback) |
| Microfon Preamps | 2 (with +48V phantom power) |
| Monitorizare | Hardware Monitoring, Input/Playback Mix |
| Afişa | Full-color LCD metering |
| Putere | Alimentat prin USB Bus |
7. Garanție și asistență
The MOTU M4 4x4 USB-C Audio Interface comes with a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official MOTU website-ul pentru termenii și condițiile detaliate ale garanției.
For technical support, driver updates, and additional resources, please visit the official MOTU support page:
Înainte de a contacta asistența, este recomandat să reluațiview the troubleshooting section of this manual and the FAQ section on the MOTU support website-ul.
