1. Introdución
The G-MARK G4000 IEM UHF Wireless In-Ear Monitor System is designed to provide reliable and high-quality audio monitoring for stage performances, studio recording, and various live events. This system features advanced digital signal processing, a wide frequency range, and robust construction to ensure clear and consistent sound transmission.
This manual provides detailed instructions for the proper setup, operation, maintenance, and troubleshooting of your G-MARK G4000 system. Please read it thoroughly before use to ensure optimal performance and longevity of the product.
2. Produto rematadoview
2.1 Que está incluído
- 1 x Unidade transmisora
- 2 x Bodypack Receivers
- 1 x In-Ear Headphones
- Adaptador de alimentación
- Antenas
2.2 Características principais
- Rendemento de RF mellorado: Operates up to 320 feet (160-320 ft range) with dual antenna diversity.
- Sistema ampliable: Supports an unlimited number of bodypack receivers for team monitoring.
- 100 canles seleccionables: Offers a wide tuning range (500-590MHz) for interference-free operation.
- Transmisión sen fíos UHF: Ofrece audio sen comprimir, con baixo ruído e baixa latencia.
- Resposta de frecuencia ampla: 20 Hz-25 kHz cun rango dinámico de 107 dB.
- Construción duradeira: Transmitter features a sturdy metal body.
2.3 Identificación de compoñentes


3. Configuración
3.1 Desembalaxe e inspección inicial
Carefully remove all components from the packaging. Inspect each item for any signs of damage. If any component is damaged or missing, contact customer support immediately.
3.2 Transmitter Unit Connection
- Connect the provided antennas to the antenna ports on the rear of the transmitter unit.
- Connect the power adapter to the transmitter unit's power input and then to a suitable power outlet.
- Connect your audio source (e.g., mixing console) to the audio input jacks on the transmitter unit.
3.3 Bodypack Receiver Battery Installation
Open the battery compartment on the back of each bodypack receiver. Insert two AA batteries, ensuring correct polarity. Close the battery compartment securely.
3.4 IR Matching (Channel Synchronization)
To synchronize the bodypack receiver with the transmitter, follow these steps:
- Press the SET button on the transmitter to enter the adjustment state.
- Usa o ▲ or ▼ buttons to select the desired frequency.
- Turn on the bodypack receiver and align its IR position with the transmitter's IR position.
- Wait for a beep sound, indicating that the frequencies of the transmitter and the bodypack receiver are matched. The adjustment is complete.

3.5 Conexión dos auriculares
Connect the provided in-ear headphones to the 3.5mm input jack on the bodypack receiver.
4. Instrucións de funcionamento
4.1 Encendido/apagado
- To power on the transmitter, press the power switch on the front panel.
- To power on the bodypack receiver, use the ON/OFF switch, often integrated with the volume knob.
- Para apagar, inverta o proceso.
4.2 Selección de frecuencia
The G4000 system offers 100 selectable channels within the 500-590MHz UHF band. Use the function buttons on the transmitter to navigate and select a clear frequency. Ensure the bodypack receivers are matched to the selected frequency via IR synchronization.
4.3 Axuste de volume
Adjust the monitoring volume using the volume adjustment knob on the bodypack receiver. Start with a low volume and gradually increase it to a comfortable listening level to prevent hearing damage.
4.4 Monitoring Usage
Once powered on and synchronized, the system will transmit audio from your source to the bodypack receivers. The dual antenna diversity technology helps maintain a stable signal, allowing users to move freely within the operating range of 160 to 320 feet.

5. Mantemento
5.1 Limpeza
Use a soft, dry cloth to clean the exterior surfaces of the transmitter and bodypack receivers. Do not use liquid cleaners or solvents, as they may damage the finish or internal components. Regularly clean the in-ear headphones according to their specific instructions to maintain hygiene and sound quality.
5.2 Coidado coa batería
Remove batteries from the bodypack receivers if the system will not be used for an extended period to prevent leakage and damage. Use high-quality alkaline or rechargeable AA batteries.
5.3 Almacenamento
Store the system in a cool, dry place away from direct sunlight and extreme temperatures. Keep components in their original packaging or a protective case to prevent physical damage.
6 Solución de problemas
- Sen son:
- Asegúrese de que todas as unidades estean acesas.
- Verify that the transmitter and bodypack receiver are synchronized to the same frequency.
- Check audio cable connections from the source to the transmitter.
- Confirm headphones are properly connected to the bodypack receiver and volume is not at minimum.
- Interferencia ou estática:
- Change the operating frequency on the transmitter and re-synchronize the bodypack receivers.
- Ensure antennas are securely attached and unobstructed.
- Afástese doutros dispositivos sen fíos ou fontes de interferencias electromagnéticas.
- Rango de funcionamento curto:
- Check battery levels in the bodypack receiver.
- Ensure line-of-sight between the transmitter and receiver is maintained as much as possible.
- Avoid placing the transmitter near large metal objects or walls that can block RF signals.
- Humming or Sound Distortion:
- Reduce the volume level on the bodypack receiver or the input level on the transmitter. Excessive volume can cause distortion or humming.
- Comproba se hai bucles de terra na túa configuración de son.
- Asegúrate de que todos os cables estean en bo estado e conectados correctamente.
7. Especificacións
| Marca | MARCA G |
| Modelo | G4000 |
| Cor | Negro |
| Colocación do oído | No oído |
| Impedancia | 80 ohmios |
| Rango de frecuencias | 20Hz-25KHz |
| Rango dinámico | 107 dB |
| Tecnoloxía sen fíos | UHF RF |
| Frecuencia de operación | 500-590 MHz |
| Número de canles | 100 |
| Distancia de operación | 160-320 pés (aprox. 48-97 metros) |
| Transmitter Material | Metal |
| Bodypack Receiver Material | Plástico |
| Método de control | Pulsador |
| Fonte de alimentación (bodypack) | 2 pilas AA |
| Conector de auriculares | Conector de 3.5 mm |
| GTIN/UPC | 678324348407 |
8. Garantía e soporte
8.1 Garantía do produto
The G-MARK G4000 IEM UHF Wireless In-Ear Monitor System comes with a 1 ano de garantía desde a data de compra. Esta garantía cobre os defectos de fabricación e garante que o produto funcione segundo o previsto en condicións de uso normal. Conserve o comprobante de compra para reclamacións de garantía.
8.2 Atención ao cliente
For any questions, technical assistance, or warranty claims, please refer to your purchase platform's customer service options. Typically, you can find a "Contact Seller" option within your order details. G-MARK is committed to providing high-quality products and support.





