1. Introduction
Thank you for choosing the Debra Karaoke X7 Wireless Microphone System. This system is designed to provide high-quality audio for karaoke, church concerts, and other vocal performances. Featuring DSP Reverb, optical and coaxial interfaces, and Bluetooth 5.0 connectivity, the X7 offers versatile and stable performance. Please read this manual carefully before use to ensure proper setup and operation.
2. Package Contents
Before you begin, please check the contents of your package:
- 1 x X7 Receiver
- 2 x Handheld Microphones
- 2 x Anti-skid Rings (for microphones)
- 1 x USB Power Cable
- 1 x 3.5mm-RCA Cable
- 1 x Coaxial Cable
- 2 x Optical Cables
- 1 x 3.5 Audio Cable
- 1 x Instruction Manual
3. System Overview
The Debra X7 system consists of a compact receiver and two wireless handheld microphones. The receiver acts as the central hub, connecting to your audio source and output devices.
3.1 Receiver Front Panel Controls
- MIC Input: 3.5mm input for wired microphone.
- MIC/VOL: Adjusts the volume of the wired microphone.
- VOL.A: Adjusts the volume of wireless microphone A.
- VOL.B: Adjusts the volume of wireless microphone B.
- ECHO: Controls the reverb effect level.
- MUSIC: Adjusts the background music volume.
- POWER: Power switch for the receiver.
- RF-AF Indicators: Lights indicating RF (Radio Frequency) and AF (Audio Frequency) signal status for each wireless microphone (A and B).
3.2 Receiver Rear Panel Connections
- DC 5VIN: Power input port (5V).
- AUDIO Input: 3.5mm audio input.
- COAXIAL Input: Coaxial digital audio input.
- OPTICAL Input: Optical digital audio input.
- AUDIO Output: 3.5mm audio output.
- COAXIAL Output: Coaxial digital audio output.
- OPTICAL Output: Optical digital audio output.
- ANT.A / ANT.B: Antenna connections for wireless microphones.
4. Setup Instructions
Follow these steps to set up your Debra X7 Wireless Microphone System:
4.1 Powering the Receiver
- Connect the USB Power Cable to the DC 5VIN port on the receiver.
- Plug the other end of the USB Power Cable into a 5V power supply (e.g., a USB wall adapter or power bank).
- Press the POWER button on the front panel to turn on the receiver. The power indicator light will illuminate.
4.2 Connecting to Audio Source (Input)
The X7 receiver offers multiple input options:
- 3.5mm Audio Input: Use the provided 3.5mm audio cable to connect your audio source (e.g., smartphone, laptop) to the 'AUDIO Input' port.
- Coaxial Input: Use the provided coaxial cable to connect a device with coaxial output (e.g., Smart TV, set-top box) to the 'COAXIAL Input' port.
- Optical Input: Use the provided optical cable to connect a device with optical output (e.g., Smart TV, soundbar) to the 'OPTICAL Input' port.
- Bluetooth 5.0: For wireless connection, enable Bluetooth on your device (e.g., smartphone, tablet) and pair with the 'X7' system.
4.3 Connecting to Audio Output Device
Connect the receiver to your sound system (e.g., active speakers, soundbar, amplifier) using one of the following methods:
- 3.5mm Audio Output: Use the 3.5mm audio cable to connect the 'AUDIO Output' port to your sound system's input.
- Coaxial Output: Use a coaxial cable to connect the 'COAXIAL Output' port to your sound system's coaxial input.
- Optical Output: Use an optical cable to connect the 'OPTICAL Output' port to your sound system's optical input.
4.4 Microphone Setup
- Ensure the handheld microphones have sufficient battery charge. The microphones feature built-in rechargeable batteries.
- Turn on each handheld microphone. The host and microphones are designed to connect automatically upon startup.
- The RF-AF indicators on the receiver's front panel will light up when the microphones are successfully connected and receiving signals.
5. Operating Instructions
5.1 Adjusting Volumes
- MIC/VOL: Rotate this knob to adjust the volume of any wired microphone connected to the 3.5mm MIC input.
- VOL.A / VOL.B: Rotate these knobs to adjust the individual volumes of wireless microphone A and B.
- MUSIC: Rotate this knob to control the volume of the background music coming from your audio source.
5.2 Using DSP Reverb
The X7 system features a built-in DSP chip for reverb effects. Rotate the ECHO knob on the front panel to increase or decrease the reverb intensity for the microphones. This enhances vocal performance, making it sound richer and more professional.
5.3 Wireless Connectivity (Bluetooth)
Once paired via Bluetooth 5.0, your device will transmit audio wirelessly to the X7 receiver. Ensure your device's volume is appropriately set, and then use the MUSIC knob on the receiver to fine-tune the music level.
5.4 Effective Range
The wireless microphones have an effective range of up to 50 meters. For optimal performance, ensure there are no major obstructions between the microphones and the receiver.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the receiver and microphones. Do not use liquid cleaners or abrasive materials.
- Storage: Store the system in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Battery Care: The handheld microphones contain built-in rechargeable batteries. To prolong battery life, avoid fully discharging them frequently and recharge them regularly. If storing for an extended period, charge them to about 50% capacity.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from microphones | Microphones not powered on or paired; low microphone battery; receiver not powered on; incorrect volume settings. | Ensure microphones and receiver are on. Check microphone battery level. Adjust MIC/VOL, VOL.A, VOL.B knobs. Verify RF-AF indicators on receiver. |
| No music sound | Incorrect input connection; device volume too low; receiver MUSIC volume too low; incorrect input selected. | Check audio input cables. Increase volume on your audio source device. Adjust the MUSIC knob on the receiver. Ensure the correct input is active (e.g., Bluetooth paired). |
| Poor sound quality / Interference | Microphones too far from receiver; environmental interference; low microphone battery. | Move microphones closer to the receiver. Avoid placing the receiver near other wireless devices or sources of electromagnetic interference. Recharge microphone batteries. |
| Microphone not connecting automatically | Temporary pairing issue. | Turn off both the receiver and microphones, then turn them back on. They should re-pair automatically. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand Name | FROKET |
| Model | X7 |
| Style | Handheld Microphone |
| Transducer | Condenser Microphone |
| Use | Conference Microphone, Karaoke, Church Concerts |
| Set Type | Multi-Microphone Kits |
| Communication | Wireless (Bluetooth 5.0) |
| Built-in Battery | Yes (Microphones) |
| Diaphragm | S-Mall |
| Frequency Range | 510MHz-590MHz |
| Frequency Response | 80Hz-15KHz |
| Stability | ±0.005% |
| Maximum Deviation | ±18KHz S/N |
| Receiver Dimensions (approx.) | 145mm (L) x 83mm (W) x 42mm (H) |
| Package Weight (approx.) | 1.9 kg |
| Certifications | CE, FCC, RoHS |
9. User Tips
- Microphone Batteries: The handheld microphones come with built-in rechargeable batteries. Ensure they are fully charged before extended use to avoid interruptions.
- Optimal Sound: Experiment with the ECHO knob to find the perfect reverb level for your voice and the acoustics of your room.
- Compatibility: The X7 is highly compatible with various devices including Smart TVs, PCs, smartphones, tablets, professional amplifiers, soundbars, and audio mixers. Choose the appropriate input/output cables for your setup.
10. Warranty and Support
For any issues or questions not covered in this manual, please contact the seller or manufacturer's customer support. Keep your purchase receipt for warranty claims.