1. Taw qhia
Ua tsaug rau kev yuav khoomasing the WEYMIC MX-120 Professional Mixer. This 12-channel mixer is designed for a wide range of audio applications, including recording, DJ performances, stage events, and karaoke. It features a graphic equalizer, DSP effects, USB recording capabilities, XLR microphone inputs, 48V phantom power, and RCA outputs. This manual provides detailed instructions to help you set up, operate, and maintain your mixer for optimal performance.
2. Cov ntaub ntawv tseem ceeb ntawm kev nyab xeeb
Please read and understand all safety instructions before operating the device. Keep this manual for future reference.
- Fais fab mov: Tsuas yog siv lub hwj chim adapter. Xyuas kom voltage phim cov kev xav tau teev tseg ntawm lub cuab yeej.
- Dej thiab noo noo: Do not expose the mixer to water, rain, or excessive moisture. Do not place objects filled with liquids on the mixer.
- Qhov cua: Xyuas kom muaj qhov cua kom zoo. Tsis txhob thaiv qhov qhib qhov cua.
- Thaum tshav kub kub: Keep the mixer away from heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) uas ua kom sov.
- Ntxuav: Unplug the mixer from the power outlet before cleaning. Use a dry cloth only.
- Kev pab: Tsis txhob sim muab cov khoom no rau koj tus kheej. Xa mus rau txhua qhov kev pabcuam rau cov neeg ua haujlwm pabcuam uas tsim nyog.
- Zog Phantom: When using condenser microphones, ensure 48V phantom power is enabled only when necessary and that all connections are secure to prevent damage to non-phantom powered devices.
3. Khoom Nta
The WEYMIC MX-120 mixer is equipped with advanced features for professional audio mixing:
- Tsawg suab nrov Preampcov neeg ua haujlwm: High-precision preamplifiers ensure clean, low-noise audio input.
- 48V Phantom Fais Fab: Provides power for studio condenser microphones, compatible with various devices including laptops and PCs.
- Integrated MP3/USB Player: Direct USB flash drive input for lossless audio playback.
- Bluetooth txuas: Built-in wireless Bluetooth for seamless audio streaming from compatible devices.
- DSP Effector: Features 16 digital effects with adjustable depth and speed, saving the last used parameters.
- 7-Band Graphic Equalizer: For precise frequency control of the main output.
- Kev tsim kho muaj zog: All-metal body with sealed rotary controls to resist dust and grime, ensuring durability.
- Versatile Compatibility: Supports wired/wireless/condenser microphones and instruments, suitable for various settings like home KTV, band performances, and conferences.
4. Panel Layout and Controls
Familiarize yourself with the various controls and connections on your MX-120 mixer.

Daim duab 4.1: Tshajview of the MX-120 Mixer Front Panel
4.1 Input Channels (1-12)

Daim duab 4.2: Paub meej view of Input Channel Controls
- MIC Input (XLR): Connects microphones.
- LINE Input (1/4" TRS): Connects line-level instruments or devices.
- TAU TXAIS Kev Kho Mob: Tswj qhov rhiab heev ntawm txhua txoj kev nkag.
- HIGH PASS FILTER Switch: Reduces low-frequency rumble.
- EQ (Siab, Nruab Nrab, Qis): 3-band equalizer for tone shaping.
- AUX Send: Sends signal to external effects or monitor mixes.
- YIAS: Adjusts the stereo position of the channel signal.
- PEAK LED: Indicates when the input signal is too high (clipping).
- VOLUME PUSHER Adjustment: Channel fader to control the output level of each channel.
4.2 Master Section & Connectivity

Daim duab 4.3: Paub meej view of Master Section Controls
- MAIN OUTS L/R (XLR): Main stereo output for connecting to amplifiers los yog lub zog hais lus.
- AUX RETURNS (1/4" TRS): Inputs for returning processed audio from external effects units.
- AUX SEND (1/4" TRS): Output for sending audio to external effects or monitor systems.
- REC OUT (RCA): Stereo output for connecting to a recording device.
- PHONE (1/4" TRS): Headphone output for monitoring.
- USB/SD Card Socket: For connecting USB flash drives or SD cards for MP3 playback and recording.
- Qhov taw qhia Bluetooth: Qhia txog kev sib txuas ntawm Bluetooth.
- MP3 Control Area: Buttons for play/pause, skip tracks, and mode selection for USB/Bluetooth.
- DSP PRO ECHO (Effects): Digital signal processor with 16 preset effects.
- PHONE LEVEL: Adjusts headphone output volume.
- PHANTOM Power Switch (+48V): Activates phantom power for condenser microphones.
- 7-BAND STEREO GRAPHIC EQUALIZER: Adjusts the frequency response of the main output.
- USB GAIN/USB LOW: Controls USB input gain and low frequency adjustment.
- MAIN VOLUME Adjustment: Tswj tag nrho cov zis theem ntawm lub tov khoom.
5. Teeb Qhia
Follow these steps to set up your WEYMIC MX-120 mixer:
- Unpacking: Carefully remove the mixer and all accessories from the packaging.
- Qhov chaw: Place the mixer on a stable, flat surface. Ensure adequate space around the unit for ventilation.
- Kev sib txuas fais fab: Connect the provided power adapter to the mixer's power input and then plug it into a suitable AC power outlet. Do not power on the mixer yet.
- Kev sib txuas tso zis: Connect the MAIN OUTS (L/R XLR) to your amplub tshuab hluav taws xob, cov neeg hais lus muaj zog, lossis lub interface kaw suab.
- Kev sib txuas input:
- Microphones: Connect XLR microphones to the MIC inputs. If using condenser microphones, ensure phantom power is off before connecting, then activate it once connected.
- Instruments/Line Devices: Connect instruments (keyboards, guitars with DI boxes) or other line-level devices (CD players, media players) to the LINE inputs using 1/4" TRS cables.
- Lub mloog pob ntseg: Connect your headphones to the PHONE output for monitoring.
- USB Drive/SD Card: If using, insert your USB flash drive or SD card into the respective slot.
- Hwj chim On: Once all connections are made, turn on the mixer's power switch.
6. Cov lus qhia ua haujlwm
6.1 Kev Sib Tov Suab Yooj Yim
- Tau Txais Kev Kho Mob: For each input channel, adjust the GAIN knob until the PEAK LED flashes only occasionally during the loudest parts of the signal.
- Equalization (EQ): Use the HIGH, MID, and LOW EQ knobs to shape the tone of each channel. Turn clockwise to boost frequencies, counter-clockwise to cut.
- Yias: Adjust the PAN knob to position the sound of each channel in the stereo field (left to right).
- Channel Volume: Use the channel VOLUME PUSHER (fader) to set the individual volume level for each input.
- Main Volume: Adjust the MAIN VOLUME fader to control the overall output level of the mixer. Monitor the main output level meters to avoid clipping.
6.2 USB/MP3 Playback

Figure 6.1: USB/MP3 Playback Interface
The mixer supports direct playback of MP3 files from a USB flash drive or SD card.
- Insert a USB flash drive or SD card containing MP3 files rau hauv qhov sib thooj.
- The mixer will automatically detect the device and display the MP3 control interface.
- Use the controls in the MP3 Control Area (play/pause, next/previous track) to manage playback.
- Adjust the USB GAIN and USB LOW knobs to control the volume and tone of the USB playback.
6.3 Bluetooth txuas

Figure 6.2: Wireless Bluetooth Transmission
Connect your smartphone or other Bluetooth-enabled device to the mixer for wireless audio streaming.
- Ensure the mixer is powered on. The Bluetooth indicator will flash, indicating it's in pairing mode.
- Ntawm koj lub cuab yeej, qhib Bluetooth thiab tshawb nrhiav cov khoom siv muaj.
- Select "WEYMIC MIXER" (or similar name) from the list of devices to pair.
- Once connected, the Bluetooth indicator on the mixer will glow steadily.
- You can now play audio from your device through the mixer. Control playback and volume from your device or the mixer's USB/MP3 control area.
6.4 DSP teebmeem

Figure 6.3: DSP Effects Control Area
The MX-120 features 16 digital effects to enhance your audio.
- Use the UP/DOWN buttons in the DSP section to select an effect number (1-16).
- Adjust the REPEAT knob to control the depth or intensity of the selected effect.
- Use the FX RET (Effects Return) fader to control the overall volume of the effects being mixed into the main output.
- To apply effects to individual channels, use the AUX/FX knob on each channel strip.
6.5 Kev Kaw Suab Rau USB
The mixer allows direct recording of the main mix to a connected USB flash drive.
- Ensure a formatted USB flash drive is inserted into the USB slot.
- Press the REC button in the USB/MP3 control area to start recording. The display will indicate recording status.
- Press REC again to stop recording. The recorded file yuav tau txais kev cawmdim ntawm USB tsav.
- Nco tseg: Recording is typically in mono format.
7. Kev tu
Kev saib xyuas kom zoo yuav ua kom koj lub mixer siv tau ntev thiab ua haujlwm tau zoo.
- Ntxuav: Disconnect power before cleaning. Use a soft, dry cloth to wipe the surface of the mixer. Do not use liquid cleaners, aerosols, or solvents.
- Plua plav: Regularly remove dust from the faders, knobs, and ventilation openings using a soft brush or compressed air.
- Cia: When not in use for extended periods, store the mixer in a cool, dry place, away from direct sunlight and extreme temperatures. Consider covering it to protect against dust.
- Kev Tswj Xyuas Cable: Avoid bending or kinking cables excessively. Store cables neatly to prevent damage.
8. Kev daws teeb meem
If you encounter issues with your MX-120 mixer, refer to the following common problems and solutions:
| Teeb meem | Ua Tau | Kev daws |
|---|---|---|
| Tsis muaj suab nrov | Power off; cables loose; main volume down; channel faders down; incorrect input selection. | Check power connection and switch; ensure all cables are securely connected; raise MAIN VOLUME and channel faders; verify correct input source. |
| Distorted suab | Input gain too high (clipping); output level too high; faulty cable. | Reduce GAIN for the affected channel until PEAK LED stops flashing; lower MAIN VOLUME; try a different cable. |
| Humming los yog buzzing suab nrov | Ground loop; faulty cable; interference from other electronics. | Ensure all equipment is plugged into the same power strip; use balanced cables; move mixer away from power sources or other electronic devices. |
| Microphone not working (condenser mic) | 48V Phantom Power not enabled; faulty mic/cable. | Activate the +48V PHANTOM power switch; test with a different microphone or cable. |
| USB/Bluetooth playback not working | Incorrect mode selected; USB drive not formatted correctly or empty; Bluetooth not paired. | Ensure the correct input mode is selected on the MP3 control area; verify USB drive contains compatible audio files; re-pair Bluetooth device. |
9. Cov lus qhia tshwj xeeb
Key technical specifications for the WEYMIC MX-120 Professional Mixer:
| Feature | Paub meej |
|---|---|
| Qauv nab npawb | MX-12-Channel |
| Tus naj npawb ntawm Channel | 12 |
| Yam Nyhav | 13.72 phaus (6.24 kg) |
| Khoom Dimensions | 18.9 x 14.57 x 4.72 po |
| Kev Kho Vajtse Interface | USB |
| Hwj chim Source | Corded Electric |
| Voltage | 220V (AC) |
| Connectivity Technology | Bluetooth, USB |
| Phantom Lub Zog | 48v XNUMX |
| DSP teebmeem | 16 Cov teebmeem Digital |
| Equalizer | 7-Band Stereo Graphic Equalizer |
10. Warranty thiab Support
For information regarding warranty coverage, technical support, or service inquiries, please contact WEYMIC customer support through the retailer where you purchased the product or refer to the official WEYMIC website for contact details. Please have your product model number (MX-12-Channel) and purchase information ready when contacting support.





