Depusheng TX4 Wireless In-Ear Monitor System User Manual

1. Introduction

The Depusheng TX4 is a 4-channel UHF wireless in-ear monitor system designed for professional audio monitoring applications. It provides clear sound transmission with low latency, suitable for stage performances, broadcast, recording studios, and band use. The system operates within the 550 MHz-580 MHz frequency range and offers 40 switchable frequencies to ensure stable signal reception.

Image: The Depusheng TX4 system, showing the main rack-mountable transmitter unit and four individual bodypack receivers with earphones.

2. Package Contents

Please verify that all items are present in your package:

• 1 x Wireless Host Transmitter (Rack Unit)
• 4 x UHF Bodypack Receivers
• 4 x 6.35mm Audio Data Cables
• 4 x In-Ear Headphones
• 1 x Power Adapter
• 2 x Antennas
• 1 x Instruction Manual

Note: AA batteries for bodypack receivers are not included.

Image: Visual representation of the Depusheng TX4 system's package contents, including the main receiver, four bodypacks, earphones, cables, power adapter, and manual.

3. Product Overview

3.1. Transmitter Unit (Rack Mount)

The main transmitter unit is designed for rack mounting and serves as the central hub for audio input and wireless transmission to the bodypack receivers.

Image: Detailed view of the transmitter's front and rear panels, highlighting all controls and connections.

Front Panel Controls:

1. 6.35mm Headphone Output: For direct monitoring from the transmitter.
2. Set Selection: Button to enter frequency setting mode.
3. DOWN Selection: Button to navigate or decrease frequency/channel settings.
4. Headphone Volume Potentiometer: Adjusts the volume for the front panel headphone output.
5. LED Indicator: Displays status (e.g., power, RF signal).
6. Power Switch: Turns the unit on/off.

Rear Panel Connections:

7. The Left Channel (XLR/TRS Combo Input): Audio input for the left channel.
8. The Right Channel (XLR/TRS Combo Input): Audio input for the right channel.
9. Left Volume Adjustment Potentiometer: Adjusts input gain for the left channel.
10. Right Volume Control Potentiometer: Adjusts input gain for the right channel.
11. Antenna Connectors: For attaching the included antennas.
12. DC Power Socket: Connects to the power adapter.

3.2. Bodypack Receiver

The compact bodypack receivers are worn by performers and receive the audio signal from the transmitter. Each bodypack features an LCD display for status information and controls for personal monitoring.

Image: Front and rear views of a single bodypack receiver, showing its compact design and belt clip.

• LCD Display: Shows frequency, channel, battery status, and RF/AF signal strength.
• Earphone Jack: 3.5mm output for connecting in-ear headphones.
• Volume Control: Adjusts the listening volume for the connected earphones.
• Frequency/Channel Selection: Buttons to change the receiving frequency/channel.
• Battery Compartment: Holds two AA batteries.
• Antenna: Integrated or detachable antenna for signal reception.

4. Setup Instructions

4.1. Transmitter Unit Setup

1. Mounting: Install the transmitter unit into a standard 19-inch equipment rack if desired, or place it on a stable surface.
2. Antenna Connection: Screw the two included antennas onto the antenna connectors on the rear panel of the transmitter. Ensure they are securely tightened and positioned for optimal signal transmission.
3. Power Connection: Connect the provided power adapter to the DC power socket on the rear panel of the transmitter, then plug the adapter into an appropriate power outlet.
4. Audio Input: Connect your audio source (e.g., mixing console, sound card) to the Left and Right Channel inputs on the rear panel using 6.35mm TRS or XLR cables. Adjust the input gain using the corresponding potentiometers.
5. Power On: Press the Power switch on the front panel to turn on the transmitter. The LCD display will illuminate.

4.2. Bodypack Receiver Setup

1. Battery Installation: Open the battery compartment on each bodypack receiver and insert two AA batteries, observing correct polarity.
2. Earphone Connection: Plug the included in-ear headphones into the 3.5mm earphone jack on each bodypack receiver.
3. Power On: Turn on each bodypack receiver. The LCD display will show its status.

4.3. Frequency Synchronization

To ensure proper operation, the bodypack receivers must be synchronized to the same frequency as the transmitter.

1. Select Transmitter Frequency: On the transmitter unit, use the 'Set' and 'DOWN' buttons to select the desired operating frequency for each channel. The system supports 40 switchable frequencies within the 550-580 MHz range.
2. Match Receiver Frequency: On each bodypack receiver, use its frequency selection buttons to match the frequency displayed on the corresponding transmitter channel. The LCD on the bodypack will confirm the selected frequency.
3. Verify Connection: Once synchronized, the RF indicator on both the transmitter and bodypack should be active, indicating a stable wireless connection.

Image: Connection diagram showing how the wireless system integrates with other audio equipment such as a mixing console, power amplifier, sound card, or PA system.

5. Operation

5.1. Adjusting Monitoring Volume

Each bodypack receiver has an independent volume control. Users can adjust their personal monitoring level directly on the bodypack to a comfortable listening volume.

5.2. Multi-Channel Switching

The system allows for multi-channel switching to avoid interference and optimize signal quality. If interference is encountered, try switching to a different frequency on both the transmitter and the corresponding bodypack receiver.

Image: The transmitter's display indicating available frequency channels and the process of switching between them.

5.3. Operating Range

The system offers an operating range of 164 to 229 feet (50 to 70 meters) in open spaces, providing freedom of movement for performers. Environmental factors such as walls, metal structures, and other wireless devices can affect the actual range.

6. Specifications

Image: Product parameter diagram detailing the dimensions and weights of the receiver and bodypack units.

7. Troubleshooting

• No Sound from Bodypack:
  • Ensure the bodypack is powered on and has fresh batteries.
  • Verify that the earphones are securely plugged into the bodypack.
  • Check that the bodypack's volume is turned up.
  • Confirm that the bodypack's frequency matches the transmitter's frequency.
  • Ensure the transmitter is powered on and receiving an audio input signal.
• Interference or Dropouts:
  • Try switching to a different frequency on both the transmitter and bodypack.
  • Ensure antennas on the transmitter are properly connected and positioned.
  • Reduce the distance between the transmitter and bodypack receivers.
  • Check for other wireless devices operating on similar frequencies in the vicinity.
  • Avoid placing the transmitter near large metal objects or walls that can block signals.
• Low Battery Indicator:
  • Replace the AA batteries in the bodypack receiver immediately to avoid interruption during use.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the surfaces of the transmitter and bodypack receivers. Do not use liquid cleaners or solvents.
• Storage: When not in use for extended periods, store the system in a cool, dry place. Remove batteries from bodypack receivers to prevent leakage.
• Cable Care: Avoid sharp bends or excessive pulling on cables to prevent damage.

9. Safety Information

• Do not expose the unit to rain or moisture.
• Do not disassemble or modify the unit. Refer all servicing to qualified personnel.
• Avoid prolonged listening at high volume levels to prevent hearing damage.
• Use only the provided power adapter.

10. Warranty and Support

Depusheng provides customer support for its products. If you encounter any issues before purchase or during use, please contact Depusheng customer service for assistance. Refer to your purchase documentation for specific warranty details.