COHYAN K6 Portable Voice Amplifier User Manual

1. Introduction

The COHYAN K6 Portable Voice Amplifier is designed to provide crystal-clear, powerful sound amplification for various settings, including classrooms, meetings, training sessions, and outdoor events. With its compact and lightweight design, it ensures your voice reaches audiences of up to 100 people without distortion, helping to preserve your vocal cords. This manual provides comprehensive instructions for setting up, operating, and maintaining your voice amplifier.

2. What's in the Box

Please check the package contents to ensure all items are present:

• Amplifier Unit
• Headset Microphone
• USB Charging Cable
• Adjustable Waistband

This image displays the COHYAN K6 Portable Voice Amplifier along with its essential accessories. The main unit is a black rectangular speaker with a perforated grille. To its left are the wired headset microphone, a USB-A to USB-C charging cable, and a black adjustable waistband.

3. Product Overview

Familiarize yourself with the controls and ports of your COHYAN K6 Voice Amplifier:

This image provides a top-down view of the COHYAN voice amplifier's control panel, labeling the 'SWITCH/VOLUME' knob, 'MODE' button, playback controls, and 'MIC' input. Below, side views illustrate the 'TF Card' slot, 'AUX' input, and 'Type-C' charging port, along with the back clip.

• SWITCH/VOLUME Knob: Rotate to power on/off and adjust the amplification volume.
• MODE Button (M): Press to switch between different playback modes (e.g., Bluetooth, TF Card, AUX).
• Playback Controls: Buttons for previous track, play/pause, and next track (for music playback).
• MIC Input: Port for connecting the headset microphone. Also functions as an AUX input.
• TF Card Slot: Insert a Micro SD card for music playback.
• AUX Input: Connect external audio devices via a 3.5mm AUX cable.
• Type-C Charging Port: Connect the USB cable for charging the amplifier.
• Back Clip: For attaching the amplifier to a belt or pocket.

4. Setup

Follow these steps to set up your COHYAN K6 Voice Amplifier for first use:

1. Charge the Amplifier: Before first use, fully charge the amplifier using the provided USB Type-C cable. Connect the cable to the Type-C charging port on the amplifier and the other end to a USB power adapter (not included) or a computer USB port. The charging indicator will show progress. A full charge takes approximately 3-5 hours.
2. Connect the Headset Microphone: Insert the 3.5mm plug of the headset microphone into the MIC input port on the amplifier.
3. Position the Microphone: For optimal sound quality and to prevent feedback, position the microphone close to your mouth (within 2-3 inches) and ensure it is facing away from the amplifier speaker.
4. Wear the Amplifier: Use the adjustable waistband to wear the amplifier around your waist, or clip it to your belt or pocket using the integrated back clip. You can also hang it around your neck.

A female teacher is shown in a classroom, wearing the COHYAN voice amplifier clipped to her waist and the headset microphone. The image highlights the amplifier's ability to project voice clearly, saving the user's throat. Icons for 10W power, Bluetooth 5.3, TF Card support, and Type-C charging are visible.

5. Operating Instructions

Learn how to use your voice amplifier effectively:

1. Power On/Off and Volume Adjustment: Rotate the SWITCH/VOLUME knob clockwise to turn on the amplifier. Continue rotating clockwise to increase the volume. Rotate counter-clockwise to decrease the volume and turn off the amplifier.
2. Voice Amplification: Once powered on and the microphone is connected, speak into the headset microphone. Your voice will be amplified through the speaker.
3. Mode Selection: Press the 'M' (MODE) button to cycle through available modes:
   • Amplification Mode: Standard voice amplification.
   • Bluetooth Mode: For wireless audio playback from a paired device.
   • TF Card Mode: For playing audio files from a Micro SD card.
   • AUX Mode: For wired audio input from external devices.
4. Music Playback (TF Card/AUX/Bluetooth):
   • TF Card: Insert a Micro SD card (up to 32GB) with audio files into the TF Card slot. The amplifier will automatically switch to TF Card mode and begin playback. Use the playback control buttons to skip tracks or pause/play.
   • AUX: Connect your phone, tablet, or computer to the MIC input port using a 3.5mm AUX cable. The amplifier will function as a wired speaker.
   • Bluetooth: In Bluetooth mode, the amplifier will be discoverable. Pair with your device (e.g., smartphone) and play audio wirelessly.

6. Battery Information

The COHYAN K6 amplifier is equipped with a 2200mAh rechargeable lithium battery, offering extended usage times:

• Amplification Time: Up to 15 hours on a full charge.
• Music Playback Time: Up to 10 hours on a full charge.
• Charging Time: Approximately 3-5 hours for a full charge.

To maximize battery life, ensure the unit is fully charged before extended use and store it in a cool, dry place when not in use.

This graphic details the battery performance of the COHYAN voice amplifier. It shows an amplify time of 12-15 hours and a charging time of 3-4 hours, powered by a 2200mAh double battery capacity.

7. Connectivity

The amplifier supports various connectivity options for versatile use:

• Bluetooth 5.3: For stable and efficient wireless connection to smartphones and other Bluetooth-enabled devices.
• TF (Micro SD) Card: Supports playback of audio files directly from a Micro SD card up to 32GB.
• AUX Input: Allows connection to devices like phones, tablets, or computers via a 3.5mm audio cable, enabling the amplifier to function as a wired speaker.

The COHYAN voice amplifier is shown with a blurred background of a person giving a presentation to an audience. Text overlays indicate '10W Output-Sound Coverage up to 11000 SQ.FT' and 'No Noise, No Static', emphasizing its powerful and clear sound projection.

8. Wearing and Portability

The COHYAN K6 is designed for maximum portability and comfort:

• Weighing only 0.33 lbs, it is ultra-lightweight.
• Can be clipped to your belt or pocket using the integrated back clip.
• Can be worn around the waist with the included adjustable waistband.
• Can be hung around your neck for hands-free operation.

This image highlights the compact dimensions and lightweight nature of the COHYAN voice amplifier. It shows the device is only 0.33 lbs, with dimensions of 3.14 inches width and 4.25 inches height. It also notes its suitability for classroom, meeting, and outdoor environments, with fast charging (3 hours) and 12 hours of battery life.

This image demonstrates the versatility of the COHYAN voice amplifier's carrying options. It shows three different individuals using the amplifier: one with it tied to their waist, another with it hung over their neck, and a third utilizing the back clip.

9. Maintenance

Proper care and maintenance will ensure the longevity of your COHYAN K6 Voice Amplifier:

• Cleaning: Wipe the amplifier and microphone with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
• Avoid Water: The amplifier is not waterproof. Keep it away from water and high humidity.
• Handle with Care: Avoid dropping the device or subjecting it to strong impacts.

10. Troubleshooting

If you encounter issues with your amplifier, refer to the following common problems and solutions:

• No Sound or Low Volume:
  • Ensure the amplifier is powered on and the volume knob is turned up.
  • Check if the microphone is securely plugged into the MIC input.
  • Verify the microphone is positioned correctly and close to your mouth.
  • Ensure the amplifier battery is charged.
• Whistling or Feedback Noise:
  • Keep the speaker and microphone at a proper distance from each other.
  • Ensure the microphone is facing away from the speaker.
  • Reduce the volume if the feedback persists.
• Distorted Sound:
  • Lower the volume.
  • Check for any obstructions around the microphone or speaker.
• Cannot Connect via Bluetooth:
  • Ensure the amplifier is in Bluetooth mode.
  • Make sure Bluetooth is enabled on your device and it is within range.
  • Forget the device from your Bluetooth settings and try pairing again.

11. Specifications

12. Warranty and Support

COHYAN is committed to providing high-quality products and customer satisfaction. Your Portable Voice Amplifier comes with the following:

• 30-Day Return & Refund Policy: Enjoy a worry-free purchase with a 30-day no-reason return and refund policy.
• 36-Month Warranty: The product is covered by a 36-month warranty from the date of purchase.
• Lifetime Technical Support: COHYAN provides lifetime technical support for your amplifier.

For any questions, concerns, or technical assistance, please contact COHYAN customer support through the retailer's platform or the official COHYAN website.