micfuns KT900-PRO Professional KTV Wireless Microphone and Digital Audio Processor User Manual

1. Introduction

The micfuns KT900-PRO is a professional digital audio processor designed for KTV and karaoke environments. It integrates a digital mixer, pre-stage effector, and wireless microphone system to enhance vocal performance and audio quality. This manual provides detailed instructions for setup, operation, and maintenance of your KT900-PRO system.

2. Package Contents

Verify that all items listed below are included in your package:

• KT900-PRO Audio Pre-effector (Main Unit) x 1
• Wireless Microphones x 2
• Power Cord x 1
• Screwdriver x 1
• Instruction Manual x 1
• Remote Control x 1
• Antenna x 1

Image 2.1: The micfuns KT900-PRO system, showing the main unit, two wireless microphones, remote control, and antenna.

3. Product Overview

3.1 Front Panel Introduction

Image 3.1: Detailed diagram of the KT900-PRO front and back panels with numbered components.

1. Mic Bass: Adjusts the low-frequency level for microphones.
2. Mic Midrange: Adjusts the mid-frequency level for microphones.
3. Mic Treble: Adjusts the high-frequency level for microphones.
4. Music Bass: Adjusts the low-frequency level for music input.
5. Music Midrange: Adjusts the mid-frequency level for music input.
6. Music Treble: Adjusts the high-frequency level for music input.
7. Bass Frequency: Controls the cutoff frequency for bass adjustments.
8. Echo Delay: Adjusts the delay time of the echo effect.
9. Echo Repeat: Adjusts the number of echo repetitions.
10. Echo Lowpass: Filters high frequencies from the echo effect.
11. Reverb Time: Adjusts the duration of the reverberation effect.
12. Reverb Low Frequency: Controls the low-frequency component of the reverb.
13. Balanced Bass: Adjusts the overall bass balance.
14. Mic Master Volume: Main volume control for microphones.
15. Effect Master Volume: Main volume control for audio effects.
16. Master Music Volume: Main volume control for music input.
17. Audio Input Options: Selects the audio input source (e.g., Bluetooth, USB, Optical).
18. Play/Pause: Controls media playback for USB/Bluetooth.
19. Previous Song: Skips to the previous track.
20. Playback: Initiates media playback.
21. One-Touch Anti-Whistle (FBX): Activates or deactivates the anti-howling feature.
22. Next Song: Skips to the next track.
23. High-Definition Display: Shows current settings and status.
24. USB Port: For USB audio input and playback.
25. Infrared Reception: Receives signals from the remote control.

3.2 Back Panel Introduction

1. Bass Output XLR: XLR output for bass audio.
2. Right Channel Output XLR: XLR output for the right audio channel.
3. Left Channel Output XLR: XLR output for the left audio channel.
4. Bass Output RCA: RCA output for bass audio.
5. Left/Right Channel Outputs RCA: RCA outputs for stereo audio.
6. Digital Coaxial Signal Input: Coaxial digital audio input.
7. Digital Fibre-Optic Signal Input: Optical digital audio input.
8. Auxiliary Signal 2 Input RCA: Second RCA auxiliary audio input.
9. Auxiliary Signal 1 Input RCA: First RCA auxiliary audio input.
10. Music Signal Preset Volume: Pre-set volume control for music input.
11. Mic Input Volume: Volume control for wired microphone inputs.
12. Antenna: Connection point for the wireless antenna.
13. Mic Input: Wired microphone input jacks.
14. Power Cord: Power input connection.

4. Setup

4.1 Initial Connection

1. Connect Antenna: Screw the provided antenna into the "Antenna" port on the back panel (12). Ensure it is securely fastened and positioned for optimal signal reception.
2. Connect Audio Output: Connect the KT900-PRO to your amplifier or sound system using the appropriate output ports (XLR or RCA, 1-5 on back panel).
3. Connect Audio Input:
   • Bluetooth: Ensure your device's Bluetooth is enabled. Select Bluetooth input on the KT900-PRO. Pair with "KT900-PRO".
   • USB: Insert a USB drive into the front panel USB port (24) or connect a device via USB.
   • Optical/Coaxial: Connect an optical fiber cable to the "Digital Fibre-Optic Signal Input" (7) or a coaxial cable to the "Digital Coaxial Signal Input" (6) on the back panel. Note: Your audio output device must have a compatible optical fiber or coaxial output interface.
   • AUX RCA: Connect audio devices to "Auxiliary Signal 1 Input RCA" (9) or "Auxiliary Signal 2 Input RCA" (8) on the back panel.
4. Connect Power: Connect the power cord to the "Power Cord" input (14) on the back panel and then to a suitable power outlet.
5. Power On: Press the Power button on the front panel to turn on the unit.

4.2 Microphone Setup

• The two wireless microphones are pre-paired with the KT900-PRO unit. Simply insert batteries (not included) into the microphones and power them on.
• For wired microphones, connect them to the "Mic Input" jacks (13) on the back panel. Adjust their volume using the "Mic Input Volume" knob (11).

Image 4.1: The KT900-PRO system highlighting the professional pre-amplifier and dual wireless microphones.

Image 4.2: Illustration of the enhanced receiving antenna providing stable signal reception up to 100 meters.

5. Operating Instructions

5.1 Audio Input Selection

Press the INPUT key (17) on the front panel to cycle through available audio sources: Bluetooth, USB, Optical, Coaxial, AUX1, AUX2.

5.2 Volume Adjustments

• Master Music Volume: Use knob (16) to adjust the overall music volume.
• Mic Master Volume: Use knob (14) to adjust the overall microphone volume.
• Effect Master Volume: Use knob (15) to adjust the overall effect volume.
• Individual Mic/Music EQ: Use knobs (1-6) to fine-tune Bass, Midrange, and Treble for microphones and music independently.

5.3 Effect Adjustments

The KT900-PRO features built-in echo and reverb effects. Adjust these using the dedicated knobs:

• Echo Delay (8): Controls the time between echoes.
• Echo Repeat (9): Controls the number of echo repetitions.
• Echo Lowpass (10): Filters high frequencies from the echo.
• Reverb Time (11): Adjusts the duration of the reverb.
• Reverb Low Frequency (12): Adjusts the low-frequency component of the reverb.

5.4 Anti-Howling Feature (FBX)

The intelligent anti-howling feature helps prevent feedback during microphone use.

• To activate or deactivate, press the FBX button (22) on the front panel.
• The display (23) will indicate the status of the FBX feature.

Image 5.1: Close-up of the KT900-PRO display and FBX button, illustrating the anti-howling function.

5.5 USB/Bluetooth Playback

• When USB or Bluetooth input is selected, use the Play/Pause (18), Previous Song (19), and Next Song (21) buttons on the front panel or the remote control to manage playback.

6. Maintenance

• Cleaning: Use a soft, dry cloth to clean the unit. Do not use liquid cleaners or aerosols.
• Storage: Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
• Microphone Care: Handle microphones with care. Avoid dropping them. Replace batteries as needed.
• Ventilation: Ensure proper ventilation around the unit to prevent overheating. Do not block ventilation openings.

7. Troubleshooting

8. Specifications

Image 8.1: Diagram showing the dimensions of the KT900-PRO main unit.

9. Warranty and Support

For warranty information and technical support, please refer to the contact details provided on the product packaging or the official micfuns website. Keep your purchase receipt as proof of purchase for warranty claims.