JK Audio BlueDriver-M3 Wireless Audio Interface User Manual

1. Introduction

The JK Audio BlueDriver-M3 is a wireless audio interface designed to connect Bluetooth-enabled mobile phones to professional audio equipment. This device facilitates patching or recording phone calls directly into a mixer, making it ideal for broadcast, podcasting, and other on-air applications.

Key features include:

• Bluetooth 3.0 wireless technology for audio transmission.
• XLR connection for direct input to a mixing console.
• 3.5mm jack for transmitting audio back to a cell phone or headset.
• Internal rechargeable Li-ion battery with up to 10 hours of operation.
• Switchable phone or headset mode.

Image 1.1: The JK Audio BlueDriver-M3 wireless audio interface shown with its accompanying 3.5mm Y-cable. The main unit features a mode switch for 'Headset' or 'Phone' and a 'Connect' button.

2. Setup

2.1 Charging the Battery

The BlueDriver-M3 contains an internal rechargeable Li-ion battery. Before initial use, fully charge the device.

1. Locate the micro-USB port on the side of the BlueDriver-M3.
2. Connect a standard micro-USB cable (not included) to the port.
3. Connect the other end of the USB cable to a powered USB port (e.g., computer, USB wall adapter).
4. The LED indicator will show charging status (refer to Section 3.3 for LED indications). A full charge typically takes several hours.

Image 2.1: Side view of the BlueDriver-M3 unit, highlighting the 'Power' (micro-USB) port and 'Send' (3.5mm) jack. The 'Headset/Phone' switch and 'Connect' button are also visible.

2.2 Connecting to a Mixer

The BlueDriver-M3 connects to your mixing console via a standard XLR connection.

1. Ensure your mixer's input is set to receive a microphone-level signal.
2. Plug the male XLR connector of the BlueDriver-M3 into a female XLR input on your mixing console.

Image 2.2: Close-up view of the BlueDriver-M3's male XLR connector, which plugs into a mixer's input. The 'Headset/Phone' switch and 'Connect' button are also visible on the unit's body.

2.3 Connecting to a Cell Phone (Bluetooth Pairing)

The BlueDriver-M3 uses Bluetooth to connect to your mobile device.

1. Turn on the BlueDriver-M3 by pressing and holding the 'Connect' button until the LED indicator flashes.
2. On your cell phone, navigate to the Bluetooth settings menu.
3. Enable Bluetooth and search for available devices.
4. Select "BlueDriver-M3" from the list of found devices to pair.
5. Once paired, the LED indicator on the BlueDriver-M3 will change (refer to Section 3.3).

2.4 Using the 3.5mm Send Jack

The 3.5mm "Send" jack allows you to transmit audio from your mixer's headphone output back to your cell phone or headset.

1. Connect one end of the provided 3.5mm Y-cable (or a standard 3.5mm stereo cable) to the "Send" jack on the BlueDriver-M3.
2. Connect the other end of the cable to the headphone output of your mixing console.
3. Adjust the headphone output level on your mixer to an appropriate level.

Image 2.3: The 6-inch stereo 3.5mm male to dual 3.5mm female Y-cable included with the BlueDriver-M3, used for connecting to the 'Send' jack.

3. Operating Instructions

3.1 Mode Selection (Phone/Headset)

The BlueDriver-M3 features a switch to select between "Phone" and "Headset" modes.

• Phone Mode: Optimized for connecting to a mobile phone for call patching/recording.
• Headset Mode: Use this mode when connecting to a Bluetooth headset for general audio.

Ensure the switch is in the correct position for your intended use.

3.2 Making and Receiving Calls

Once paired and connected to your mixer:

• Making a Call: Dial the number on your paired cell phone. The audio will be routed through the BlueDriver-M3 to your mixer.
• Receiving a Call: When a call comes in, answer it on your paired cell phone. The call audio will be routed through the BlueDriver-M3.
• Ending a Call: End the call on your paired cell phone.

Adjust input and output levels on your mixer as needed for optimal audio quality.

3.3 LED Indicator Status

The LED indicator provides information on the device's status:

• Flashing Blue: Bluetooth pairing mode.
• Solid Blue: Bluetooth connected.
• Solid Red: Charging.
• LED Off (while charging): Fully charged.
• Flashing Red: Low battery.

4. Maintenance

4.1 Battery Care

To prolong battery life, avoid completely discharging the battery frequently. Recharge the unit when the low battery indicator (flashing red LED) appears. Store the unit in a cool, dry place when not in use for extended periods.

4.2 Cleaning

Wipe the exterior of the BlueDriver-M3 with a soft, dry cloth. Do not use liquid cleaners or solvents.

5. Troubleshooting

• No Audio Output from BlueDriver-M3:
  • Ensure the BlueDriver-M3 is powered on and paired with your phone.
  • Verify the XLR connection to the mixer is secure.
  • Check the input gain on your mixer.
  • Confirm the phone's volume is up and audio is routed to the Bluetooth device.
• Cannot Pair with Phone:
  • Ensure the BlueDriver-M3 is in pairing mode (flashing blue LED).
  • Turn off and on Bluetooth on your phone.
  • Move the BlueDriver-M3 closer to your phone (within 50 feet / 15 meters).
  • Forget the device on your phone's Bluetooth settings and attempt to pair again.
• Battery Not Charging:
  • Verify the USB cable is securely connected to both the BlueDriver-M3 and the power source.
  • Try a different USB cable or power source.
  • Ensure the power source is active.

6. Specifications

7. Warranty and Support

7.1 Warranty Information

The JK Audio BlueDriver-M3 comes with a 2 Year Limited Warranty from JK Audio. Please retain your proof of purchase for warranty claims.

7.2 Customer Support

For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact JK Audio customer support. Refer to the official JK Audio website for the most current contact information.

Note: This manual provides general instructions. Specific features and performance may vary based on your connected devices and operating environment.