1. Introduction
The G-MARK STUDIO 6 is a versatile 4-channel audio mixer designed for various applications including computer recording, DJ conferences, church events, parties, and live shows. It features built-in 48V phantom power, guitar amplifier capabilities, multi-functional playback, USB recording, and mobile OTG connectivity. Its compact size, portability, and extensive features make it suitable for a wide range of uses.
For a more detailed guide, please refer to the official user manual (PDF) available at: G-MARK STUDIO 6 User Manual PDF.
2. Package Contents
Please check the box for the following items:
- 1 x G-MARK STUDIO 6 Audio Mixer
- 2 x Wireless Microphones
- 2 x Charging Cables
- 2 x Microphone Protection Rings
- 2 x AUX Connectors
- 1 x User Manual
Image: Contents of the G-MARK STUDIO 6 package.
3. Product Overview
3.1 Front Panel Controls
Image: Detailed view of the mixer's front panel controls.
- Wireless Microphone Signal Antenna: Receives signals from wireless microphones.
- Input Channel 1/2 (XLR/AUX 6.3 Interface): Connect microphones or instruments.
- Input Channel 3/4 (RCA Input): Connect audio devices with RCA outputs.
- Lotus RCA Input (Audio Stereo Input): Additional stereo input.
- Main Output Interface (L/R): Connect to amplifiers, effectors, or sound systems.
- Headphone Jack 1 (6.5mm): For monitoring audio.
- +48V Phantom Power Switch: Activates phantom power for condenser microphones.
- HPF (High-Pass Filter) Switch: Filters out low-frequency noise.
- Wireless Microphone Switch: Activates/deactivates the built-in wireless microphone function.
- 3/4 Channel Signal/MP3 Module Toggle Button: Switches between channel 3/4 input and MP3/Bluetooth module control.
- Signal Gain Knob (GAIN): Adjusts input sensitivity for each channel.
- High Tone Adjustment Knob (HIGH): Adjusts high frequencies for each channel.
- Low Tone Adjustment Knob (LOW): Adjusts low frequencies for each channel.
- Reverb Volume Control (FX): Adjusts the overall level of the selected effect.
- Volume Knob and Peak Indicator Light (VOL): Adjusts channel volume and indicates signal peaks.
- Effects Control Knob (FX): Selects and adjusts the intensity of effects.
- Delay Adjustment Knob (DELAY): Adjusts delay parameters for effects.
- MP3 Control Knob (PROGRAM): Navigates and selects MP3/Bluetooth functions and effect programs.
- Recording Mode Switch (REC): Initiates/stops USB recording.
- Mode Switching Button (MODE): Cycles through MP3, Bluetooth, and other modes.
- Bluetooth Mode Switch (BT): Activates Bluetooth pairing.
- Headphone Jack 2 (3.5mm): Additional headphone output for monitoring.
- Headphone Volume Control Knob (PHONES): Adjusts headphone output volume.
- USB Port (U-Disk Interface): For USB playback and recording.
- 5V Power Input (TYPE-C): Connects to the power adapter.
3.2 Rear Panel Overview
Image: Rear panel with power input and effect mode list.
The rear panel primarily features the DC5V power input and a list of available effect modes:
- DC5V Power Input: Connect the provided power adapter here.
- Effect Modes: HALL, ROOM, PING PONG, ECHO, ECHO REVERB, KARAOKE, PITCH, CHORUS, TREMOLO, FLANGE, AUTO TUNE.
4. Setup Guide
4.1 Powering On
- Connect the provided charging cable to the DC5V Power Input (25) on the rear panel of the mixer.
- Connect the other end of the charging cable to a suitable 5V power source (e.g., computer USB port, USB wall adapter).
- The mixer will power on automatically.
Video: Demonstrates connecting power to the mixer.
4.2 Connecting Microphones
- Wireless Microphones: Insert 1.5V batteries into each wireless microphone. Power on the microphones using their respective power buttons. The mixer's Wireless Microphone Switch (9) should be enabled.
- Wired Microphones (XLR): Connect wired microphones to the Input Channel 1/2 (2) XLR ports. If using condenser microphones, activate +48V Phantom Power (7).
4.3 Connecting Audio Devices
- Instruments: Connect guitars, electronic organs, or other instruments to the Input Channel 1/2 (2) or Input Channel 3/4 (3) using appropriate cables.
- External Audio Sources: Connect devices like CD/DVD players or other audio sources to the Lotus RCA Input (4).
- Output Devices: Connect your effectors, power amplifier, or sound box to the Main Output Interface (5).
Image: Input and output connection examples for the mixer.
5. Operating Instructions
5.1 Basic Audio Mixing
- Adjusting Input Levels: Use the Signal Gain Knob (11) for each channel to set the input sensitivity.
- Equalization: Use the High Tone Adjustment Knob (12) and Low Tone Adjustment Knob (13) to shape the sound of each channel.
- Channel Volume: Adjust the Volume Knob (15) for each channel to control its output level.
- Main Volume: Control the overall output volume using the Main Volume knob (part of 18, labeled 'MAIN' in diagram).
5.2 USB Playback and Recording
- USB Playback: Insert a USB flash drive into the USB Port (24). The mixer will automatically detect and play MP3 files. Use the MP3 Control Knob (18) and Mode Switching Button (20) to navigate tracks.
- USB Recording: To record, insert a USB flash drive and press the Recording Mode Switch (19). Press again to stop recording.
5.3 Bluetooth Connectivity
- Activate Bluetooth: Press the Bluetooth Mode Switch (21). The display will show 'bt' indicating pairing mode.
- Pairing: On your smartphone, tablet, or PC, search for Bluetooth devices and select 'STUDIO 6' to connect.
- Switch to Bluetooth Input: Press the 3/4 Channel Signal/MP3 Module Toggle Button (10) to ensure the Bluetooth audio is routed through the mixer.
Image: Bluetooth connection setup with a smartphone.
5.4 Applying Effects
- Select Effect: Rotate the MP3 Control Knob (18) (labeled PROGRAM) to cycle through the 99 built-in effect modes. The selected effect number will be displayed.
- Adjust Effect Level: Use the Reverb Volume Control (14) (labeled FX VOL) to adjust the overall volume of the effect.
- Adjust Delay: Use the Delay Adjustment Knob (17) to fine-tune delay parameters.
5.5 Headphone Monitoring
Connect your headphones to either the 6.5mm Headphone Jack (6) or the 3.5mm Headphone Jack (22). Adjust the monitoring volume using the Headphone Volume Control Knob (23).
5.6 Advanced Features
- Phantom Power (+48V): For condenser microphones requiring external power, connect them to an XLR input and press the +48V Phantom Power Switch (7).
- High-Pass Filter (HPF): Press the HPF Switch (8) to activate the high-pass filter, which helps to remove unwanted low-frequency rumble or noise from your audio signal.
- Wireless Microphone Frequency Adjustment:
- Open the battery compartment cover of the wireless microphone.
- Press the 'POWER' button (adjustment key) on the microphone to cycle through available frequencies.
- Once the desired frequency is displayed, the adjustment is complete. Ensure the microphone and mixer are on compatible frequencies.
Image: Adjusting wireless microphone frequency.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the mixer and microphones. Avoid using abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Handling: Handle all components with care to prevent damage to knobs, switches, and connectors.
- Battery Care: Remove batteries from wireless microphones if they will not be used for an extended period to prevent leakage.
7. Troubleshooting
7.1 No Sound Output
- Check Connections: Ensure all audio cables (inputs, outputs, headphones) are securely connected.
- Volume Levels: Verify that all relevant volume knobs (channel, main, headphone) are turned up.
- Power: Confirm the mixer is powered on and the power adapter is functioning correctly.
- Microphone Batteries: Check if the wireless microphones have sufficient battery charge.
7.2 Poor Sound Quality or Feedback
- Gain Staging: Adjust the Signal Gain Knobs (11) to prevent clipping (indicated by peak lights).
- Equalization: Experiment with the High (12) and Low (13) tone controls to improve sound clarity.
- HPF: Activate the HPF Switch (8) to reduce unwanted low-frequency rumble.
- Microphone Placement: Avoid pointing microphones directly at speakers to prevent feedback.
- Wireless Interference: If using wireless microphones, try adjusting their frequency (see section 5.6).
7.3 Bluetooth Connection Issues
- Bluetooth Mode: Ensure the mixer is in Bluetooth pairing mode ('bt' displayed) by pressing the Bluetooth Mode Switch (21).
- Device Pairing: On your external device, 'forget' the 'STUDIO 6' connection and attempt to re-pair.
- Proximity: Keep the Bluetooth device close to the mixer.
- Interference: Minimize other active Bluetooth devices in the vicinity.
7.4 USB Playback/Recording Not Working
- USB Format: Ensure your USB flash drive is formatted to FAT32.
- File Type: For playback, ensure audio files are in a supported format (e.g., MP3).
- Mode Selection: Verify that the mixer is in the correct MP3 module control mode using the 3/4 Channel Signal/MP3 Module Toggle Button (10).
- USB Drive: Try using a different USB flash drive.
8. Specifications
8.1 Mixer Technical Parameters
| Parameter | Value |
|---|---|
| Total Harmonic Distortion | ≤0.1% |
| Frequency Response | 20Hz~20KHz±0.5dB |
| Signal-to-Noise Ratio | ≥-80dB |
| Maximum Output | 4V/MAX. |
| Input/Output Impedance: | |
| Microphone | 2.4KΩ |
| Mono | 11KΩ |
| Stereo | 100KΩ |
| Parametric Equalizer: | |
| High | 12KHz±15dB |
| Low | 80Hz/±15dB |
8.2 Wireless Microphone (Transmitter) Parameters
| Parameter | Value |
|---|---|
| Audio Frequency Response | 50Hz-18KHz |
| Dynamic Range | ≥80dB |
| System Distortion | ≤1% |
| Signal to Noise Ratio | ≥60dB |
| Ideal Distance | 80m (approx. 260 ft) |
| Operating Temperature Range | 5℃-45℃ |
| Carrier Frequency Range | 500-580MHz |
| Frequency Stability | ±0.005% |
| Carrier Output Power | ≤30Mw |
| Spurious Suppression | >40dB |
| Modulation Method | FM |
| Maximum Modulation Mode | ±75KHz |
| Pickup Method | Dynamic microphone |
| Power Supply | 1.5V (for microphone) |
| Battery Power Consumption | <30mA |
| Dimensions (Handheld Microphone) | Ф37X 245mm |
9. User Tips
- The G-MARK STUDIO 6 is highly versatile and suitable for various environments, including computer recording rooms, DJ conferences, church events, parties, and live shows.
- It can function as a comprehensive audio mixer, live sound mixer, podcast mixer, and karaoke microphone system.
- Key features include MP3 Bluetooth connectivity, +48V phantom power for condenser microphones, USB recording/playback, and DSP effects for enhanced audio.
- The included wireless microphones feature a cardioid polar pattern for focused sound pickup and have an effective range of up to 50 meters (approximately 164 feet).
- The mixer operates on a 5V power supply. While the current requirement isn't explicitly stated in all documentation, ensure your power adapter provides sufficient current for stable and reliable operation.
10. Warranty & Support
This product is covered by the manufacturer's warranty. For warranty claims or technical support, please contact the seller or refer to the official G-MARK website for assistance.
For additional information and troubleshooting, consult the comprehensive user manual (PDF) linked in the Introduction section.
