HOLLYLAND EN-4 Lark Max Wireless Lavalier Microphone System User Manual

HOLLYLAND EN-4 Lark Max Wireless Lavalier Microphone System

Specifications

• Extremely compact, portable design
• 2 TX + 1 RX and 1 TX + 1 RX modes
• Frequency hopping technology for multiple LARK MAX systems in the same environment
• Built-in lithium battery with ultra-long operating time
• Charging case for storage and charging
• Automatic switch to the external microphone
• Professional-level wireless audio specifications
• Environmental Noise Cancellation (ENC) technology on the transmitter
• 2.4GHz digital wireless transmission for crystal-clear sound
• Transmitter can work as a standalone recorder with 8GB of built-in storage
• AMOLED touchscreen on the receiver for display information

Product Usage Instructions

Transmitter (A) Usage

1. Use the built-in microphone or connect an external microphone to the 3.5mm audio input interface.
2. Press the REC button to start recording, indicated by the REC indicator.
3. Use the power button to turn on/off the transmitter.
4. Pair the transmitter with the receiver using the Pairing/Noise Cancellation button.

Receiver (B) Usage

1. Use the AMOLED touchscreen to navigate and control the receiver settings.
2. Connect headphones to the 3.5mm TRS headphone interface for audio monitoring.
3. Adjust output volume on the left or right channel using the control knob or touchscreen.

Charging Case (C) Usage

1. Check the battery level indicator to monitor charging status of transmitters and receiver.
2. Use the USB-C interface to charge the case and devices.
3. Store transmitters and receiver in their respective slots for safekeeping and charging.

Frequently Asked Questions (FAQ)

• How do I switch between different LARK MAX systems in the same environment?
  The frequency hopping technology allows multiple LARK MAX systems to work together seamlessly in the same environment without interference. Simply pair each transmitter with the corresponding receiver to use multiple systems simultaneously.

• Can I use an external microphone with the transmitter?
  Yes, you can connect an external microphone to the transmitter using the 3.5mm audio input interface for enhanced audio quality.

• How do I check the recording status on the receiver?
  The AMOLED touchscreen on the receiver displays recording status, wireless information, and more. You can easily monitor the recording status and other details on the screen.

Introduction

Thank you for purchasing Hollyland LARK MAX wireless microphone system. Please read this User Manual carefully before using the product.

Key Features

• Extremely compact, portable design
• 2 TX + 1 RX and 1 TX + 1 RX modes
• Multiple LARK MAX systems working together in the same environment with frequency hopping technology
• Built-in lithium battery with ultra-long operating time
• Charging case for storage and charging
• Automatic switch to the external microphone
• Professional-level wireless audio specifications
• Environmental Noise Cancellation (ENC) technology on the transmitter to eliminate environmental noise
• 2.4GHz digital wireless transmission to deliver crystal-clear sound
• Transmitter capability of working as a standalone recorder, with 8GB of built-in storage
• AMOLED touchscreen on the receiver to display recording status, wireless information, and more

Interface Description

Transmitter

1. Built-in Microphone
2. REC Button
3. REC Indicator
4. Back Clip
5. Status Indicator
6. 3.5mm Audio Input Interface
7. Power Button
8. Pairing/Noise Cancellation Button
9. USB-C Interface
10. Contacts

Receiver

1. On-Screen Home Button
2. AMOLED Touchscreen
3. Control Knob
4. 3.5mm TRS Headphone Interface
5. USB-C Interface
6. Back Clip
7. Power/Screen Lock Button
8. 3.5mm TRS Audio Output Interface
9. Contacts

Charging Case

1. Charging Case Battery Level Indicator
2. USB-C Interface
3. Transmitter 1 Charging/ Storage Slot
4. Receiver Charging/ Storage Slot
5. Transmitter 2 Charging/ Storage Slot
6. Transmitter 1 Charging Indicator
7. Receiver Charging Indicator
8. Transmitter 2 Charging Indicator

Display Description

Receiver Main Interface (Outside the Charging Case)

1. Recording Mode
2. Noise Cancellation Status
3. Screen Lock Status
4. Transmitter 1 Battery Level
5. Transmitter 2 Identitier
6. 3.5mm Audio Output Connection
7. USB Connection
8. Headphone Connection
9. Receiver Battery Level
10. Transmitter 1 Identifier
11. Transmitter 1 Signal Strength
12. Transmitter 1 Recording
13. Transmitter 1 Input Volume
14. Transmitter 2 Recording
15. Transmitter 2 Signal Strength
16. Transmitter 2 Battery Level
17. Transmitter 2 Input Volume

Receiver Main Interface (in the Charging Case)

1. The Receiver Is in the Charging Case
2. Charging Case Battery Level
3. Transmitter 1 Battery Level
4. Receiver Battery Level
5. Transmitter 2 Battery Level
6. Date & Time

Receiver Output Volume Interface

1. Output Volume on the Left Channel
2. Left Channel in Stereo Mode
3. Output Volume Bar on the Left Channel
4. Output Volume on the Right Channel
5. Output Volume Bar on the Right Channel
6. Right Channel in Stereo Mode
   Settings: To enter the receiver output volume interface from the main interface, simply rotate the control knob. You can adjust the output volume on the left or right channel by rotating the control knob or tapping on the touchscreen.

Receiver Quick Settings Interface

1. Quick Settings Interface for Transmitter 1
2. ENC Switch
3. Mute Switch
4. Recording Switch
   Settings: To enter the quick settings interface for transmitter 1 from the main interface, simply tap the on-screen home button. You can switch between the functions on the quick settings interface by rotating the control knob or tapping the function icons. To enter the quick settings interface for transmitter 2, simply rotate the control knob to the right. To return to the main interface, simply tap the on-screen home button again.

Receiver Menu Interface

Settings: Press the control knob to enter the menu interface from the main interface. Rotate the control knob or tap on the touchscreen to select a menu, and then press the control knob or tap the menu to enter its sub-menu interface. To return to the previous interface, simply tap the on-screen home button.

Indicator Description

Transmitter Status Indicator

• Blue light flashing quickly Pairing
• Blue light flashing slowly Disconnected from the receiver
• Steady blue light Connected to the receiver
• Steady green light ENC ON & Connected to the receiver
• Green light flashing slowly ENC ON & Disconnected from the receiver
• Steady pink light Upgrading
• Red and blue lights flashing quickly and alternately Malfunctioning
• Steady red light Mute ON
• Breathing red light flashing Low battery
• Breathing orange light, returning to the previous state after 5 seconds Power ON & Charging
• Breathing orange light Power OFF & Charging
• Steady orange light Power OFF & Fully charged

Transmitter REC Indicator

• Steady red light Recording
• Light OFF Not recording

Charging Case Indicator

• One light outside the charging case flashing when the charging case is connected via USB Charging case in charging mode

• Four steady lights outside the charging case Charging case fully charged

• Breathing light inside the charging case Transmitter/Receiver in charging mode

• Steady light inside the charging case Transmitter/Receiver fully charged

• One LED ON, flashing red Low battery. The transmitter and the receiver cannot be charged using the charging case.

• One LED ON 25%

• Two LEDs ON 50%

• Three LEDs ON 75%

• Four LEDs ON 100%

Receiver Menu Description

Press the control knob to enter the menu interface from the main interface. The menu operations are as follows:

1. Select REC Mode to set the receiver output mode.
   • Stereo
   • Mono
   • Safety Track
2. Select Mic Settings to set the transmitter parameters.
   • Mic Gain : Press the control knob or tap to adjust the transmitter input gain.
   • Auto Record: The default value is OFF. If Auto Record is set to ON, the transmitter will automatically start internal recording when it is turned on.
   • Auto OFF: The default value is 15min, indicating that the transmitter will automatically turn off when it is not paired with the receiver and there is no operation of it within 15 minutes. If Auto OFF is set to Never, the transmitter will not turn off automatically.
   • LED Brightness: The default value is Normal. It allows you to set the brightness of the transmitter status indicator light. You can set it to Low as required.
   • Storage: Press the control knob or tap to view the remaining recording time of the transmitter and format the transmitter storage (when the storage is full, the earliest recording file will be automatically deleted).
3. Select Phone Speaker to set whether audio can be played on the phone speaker without unplugging the receiver from the mobile phone.
   • OFF: Audio play on the phone speaker is disabled.
   • ON: Audio can be played on the phone speaker without unplugging the receiver from the mobile phone.
4. Select EQ to configure audio settings.
   • Hi-Fi: Select this mode to ensure Hi-Fi audio pickup with high restoration.
   • Low Cut : Select this mode to filter low-frequency sound.
   • Vocal Boost: Select this mode to increase voice intelligibility.
5. Select System Settings to configure system settings.
   • Pairing: Press the control knob or tap to set the receiver to pairing mode.
   • Brightness: Press the co.ntrol knob or tap to adjust the brightness of the receiver touchscreen.
   • Upgrade Mode: Press the control knob or tap to activate the device upgrade process.
   • Date: Press the control knob or tap to set the date for the receiver. The settings will be synchronized to the connected transmitter.
   • Time: Press the control knob or tap to set the time for the receiver. The settings will be synchronized to the connected transmitter.
   • Language: Press the control knob or tap to set the device language to English or Chinese.
   • Factory Reset: Press the control knob or tap to reset the device to the default settings.
   • Version Info: Press the control knob or tap to check the receiver firmware version, connected transmitter firmware version, and SN.

Operation Instructions

The preferred position for attaching the transmitter is the collar near the speaker’s neck area. If the speaker’s voice is louder, position the transmitter in the upper chest area. The transmitter can be attached via its back clip or the clip magnet.

Note: Placement of the transmitter in different positions will result in recorded sound volume fluctuations. Avoid any obstructions of the transmitter during recording. It is recommended to use the furry windshield to prevent audio interference when using the transmitter outdoors.

Connecting the Receiver to an iPhone

1. Connect the receiver to an iPhone using a USB-C to Lightning cable.
2. A USB connection icon will be displayed on the receiver touchscreen.
3. Open the recorder or camera app on the mobile phone to start recording.

Connecting the Receiver to an Android Phone with a USB-C Interface

1. Connect the receiver to an Android phone with a USB-C interface using a USB-C to USB-C cable.
2. A USB connection icon will be displayed on the receiver touchscreen.
3. Open the recorder or camera app on the mobile phone to start recording.

Note: It is recommended to use the original USB-C to Lightning and USB-C to USB-C cables. Otherwise, compatibility issues may occur, which could result in sound distortion or other audio problems.

Connecting the Receiver to a Camera

1. Attach the receiver to a camera via the hot shoe or cold shoe using the back clip.
2. Connect the 3.5mm audio output interface on the receiver to the 3.5mm audio input interface on the camera using a 3.5mm TRS to 3.5mm TRS cable.
3. Set the recording volume of the camera to the lowest and the output volume of the receiver to the medium to ensure the best recording level.

Pairing
The transmitter and the receiver are paired by default. Follow either of the following two ways to pair the transmitter and the receiver if they are disconnected.

1. Auto pairing: Place the transmitter and the receiver in the charging case, and they will pair automatically. (Figure 1)
2. Manual pairing: Turn on the transmitter and the receiver, and press and hold the pairing button on the transmitter to enter pairing mode. In this case, the transmitter status indicator light flashes quickly. Then, select System Settings on the receiver touchscreen and tap Pairing to start pairing. If the transmitter status indicator light turns steady blue, pairing is successful. (Figure 2)

Noise Cancellation
Press the noise cancellation button on the transmitter to enable the noise cancellation function. In this case, the transmitter status indicator light turns green.

Recording
Press the REC button on the transmitter to enable the recording function. In this case, the transmitter REC indicator light turns steady red.

Transmitter Recording

1. After turning on the transmitter, press the REC button to start recording. In this case, the transmitter REC indicator light turns steady red. Press the REC button again to stop recording.
2. The recorded audio format of the transmitter is lossless 48 kHz/24-bit mono WAV — an unprocessed RAW file. When the recording lasts for an extended period, the file will be split up automatically every 30 minutes.
3. The transmitter is supported with 8 GB of built-in memory for storing the recording files automatically. If the storage is full, newly recorded audio will overwrite the older recorded audio automatically.
4. The recording file can be exported by connecting the transmitter to a computer or mobile phone.
5. The transmitter storage can be formatted via the receiver or other devices such as a computer or mobile phone.

Firmware Update

When new firmware is available, update the firmware by connecting the transmitter, the receiver, and the charging case to a computer separately.

How to Update the Firmware

Receiver Firmware Update

1. Select System Settings > Upgrade Mode from the main interface on the receiver touchscreen.
2. Connect the receiver to the computer using the USB-C cable provided and copy the firmware update file to the receiver.
3. Unplug the USB-C cable from the computer after the file is copied. Then, the receiver firmware update will start automatically and the message “Upgrading…” will be displayed on the receiver touchscreen. During the firmware update, operations of the receiver are not allowed until the message “Upgraded successfully. The device will restart soon.” is displayed.
4. After the firmware is updated successfully, the receiver will restart automatically.

Transmitter Firmware Update

1. Turn on the transmitter, connect the transmitter to the computer using the USB-C cable provided, and copy the firmware update file to the transmitter.
2. Unplug the USB-C cable from the computer after the file is copied. Then, the transmitter firmware update will start automatically. During the firmware update, the transmitter status indicator light turns steady pink and will return to the previous state after the firmware update is completed.
3. After the firmware is updated successfully, the transmitter will restart automatically.

Specifications

• Name LARK MAX Transmitter

  • Dimensions Approx. 48.5mm x 30.3mm x 19.37mm (1.9″ x 1.2″ x 0.76″)
  • Weight Approx. 33g (1.16oz)
  • Transmission Range Up to 820ft (250m) for LOS/197ft (60m) for NLOS
  • Modulation Mode GFSK
  • EIRP <20dBm
  • Operating Frequency 2400MHz–2483.5MHz
  • Battery Type RoHS-compliant LiPo
  • Battery Capacity 300mAh
  • Battery Voltage 3.87V
  • Battery Energy 1.161Wh
  • Charging Temperature 0° C to 45° C
  • Operating Temperature –20° C to 45° C
  • Charging Time <2 hours
  • Operating Time Approx. 7.5 hours
  • Recording Time Approx. 14 hours
  • Recorded Audio Format 48 kHz/24-bit WAV
  • Mic Polar Pattern Omnidirectional
  • Mic Sensitivity –36dBFS±1dB@1 kHz, 94dBSPL
  • Input Dynamic Range 98dB (Default)/106dB (Max)
  • Frequency Response 20 Hz–20 kHz (Low Cut disabled)
  • Signal-to-Noise Ratio 70dB
  • Sound Pressure Level 120dBSPL (Default)/128dBSPL (Max)
  • Equivalent Noise 24dBA
    Note: The transmission range is measured in an unobstructed outdoor environment free of interference.

• Name LARK MAX Receiver

  • Dimensions Approx. 58mm x 40.83mm x 23.17mm (2.3″ x 1.6″ x 0.9″)
  • Weight Approx. 60g (2.1oz)
  • Touchscreen 1.1″ AMOLED
  • Touchscreen Resolution 126 x 294 pixels
  • Modulation Mode GFSK
  • EIRP <20dBm
  • Operating Frequency 2400MHz–2483.5MHz
  • Battery Type RoHS-compliant LiPo
  • Battery Capacity 490mAh
  • Battery Voltage 3.87V
  • Battery Energy 1.896Wh
  • Charging Temperature 0° C to 45° C
  • Operating Temperature –20° C to 45° C
  • Charging Time <2 hours
  • Operating Time Approx. 9 hours

• Name LARK MAX Charging Case

  • Dimensions Approx. 115mm x 46mm x 63mm (4.5″ x 1.8″ x 2.5″)
  • Weight Approx. 193.5g (6.8oz)
  • Battery Type RoHS-compliant LiPo
  • Battery Capacity 2800mAh
  • Battery Voltage 3.85V
  • Battery Energy 10.78Wh
  • Charging Time <2 hours
  • Operating Temperature –20° C to 45° C
  • Charging Temperature 0° C to 45° C
  • Max Charging Times Approx. two times of charging for 2 TX and 1 RX

Disclaimer

1. Please read and follow all the instructions carefully.
2. Please note all the warnings.
3. Do not place the product near or inside heating devices (including but not limited to microwave ovens, induction cookers, electric ovens, electric heaters, pressure cookers, water heaters, and gas stoves) to prevent the battery from overheating and exploding.
4. Use only parts and accessories specified or provided by Hollyland. The use of non-original parts or accessories may cause electric shock, fire, explosion, or other dangers.
5. Please hand over all maintenance work to qualified personnel. No matter what kind of damage the product suffers, such as damage to the power cable or plug, liquid penetration, objects falling into the product, rain, dampness, failure to work normally, or fall, maintenance is required.

Compliance Information

CE Compliance Notice：

• EU Declaration of Conformity

  • Hollyland hereby declares that the device is in compliance with the essential requirements and other relevant provisions of directives 2014/53/EU, 2011/65/EU and (EU)2015/863.
  • The original EU declaration of conformity may be found at www.hollyland.com.

• National restrictions
  This device may be used in all member states of the EU and Northern Ireland.

• CAUTION
  RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.

• RECYCLING
  This product bears the selective sorting symbol for Waste electrical and electronic equipment (WEEE). This means that this product must be handled pursuant to European directive 2012/19/EU in order to be recycled or dismantled to minimize its impact on the environment. User has the choice to give his product to a competent recycling organization or to the retailer when he buys a new electrical or electronic equipment.

FCC Requirement：

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

FCC Radiation Exposure Statement:
The device has been tested and found to comply with FCC SAR limits.

Note:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

UK Compliance Notice

• UK Declaration of Conformity
  • Hollyland hereby declares that the device is in compliance with the essential requirements and other relevant provisions of the Radio Equipment Regulations 2017.
  • The original UK declaration of conformity may be found at www.hollyland-tech. com.
• National restrictions
  This device may only be used indoors in Great Britain.

Support

If you encounter any problems in using the product or need any help, please contact Hollyland Support Team via the following ways:

• Hollyland User Group
• HollylandTech
• HollylandTech
• HollylandTech
• [email protected]
• www.hollyland.com

Statement
All copyrights belong to Shenzhen Hollyland Technology Co., Ltd. Without the written approval of Shenzhen Hollyland Technology Co., Ltd., no organization or individual may copy or reproduce part or all of any written or illustrative content and disseminate it in any form.

Trademark Statement
All the trademarks are owned by Shenzhen Hollyland Technology Co., Ltd.

Note:
Due to product version upgrades or other reasons, this User Manual will be updated from time to time. Unless otherwise agreed, this document is provided as a guide for use only. All representations, information, and recommendations in this document do not constitute warranties of any kind, express, or implied.

References

• Hollyland - Wireless Video Transmitter, Intercom, Microphone

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