FCC ID: 2ADZC-6902T Wireless microphone

LARK MAX User Manual V1.0.0 1 2 Introduction Thank you for purchasing Hollyland LARK MAX wireless microphone system. Please read this User Manual carefully before using the product. 3 Key Features Extremely compact, portable design 2 TX + 1 RX and 1 TX + 1 RX modes Multiple LARK MAX systems working together 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 4 Interface Description 5 A: Transmitter Built-in Microphone REC Button REC Indicator Back Clip Status Indicator 3.5mm Audio Input Interface Power Button Pairing/Noise Cancellation Button USB-C Interface Contacts Interface Description 6 B: Receiver On-Screen Home Button AMOLED Touchscreen Control Knob 3.5mm TRS Headphone Interface USB-C Interface Back Clip Power/Screen Lock Button 3.5mm TRS Audio Output Interface Contacts Interface Description C: Charging Case Battery Level Indicator USB-C Interface Transmitter 1 Charging/Storage Slot Receiver Charging/

Storage Slot Transmitter 2 Charging/Storage Slot Transmitter 1 Charging Indicator Receiver Charging Indicator Transmitter 2 Charging Indicator 7 Display Description A: Receiver Main Interface (Outside the Charging Case) Recording Mode USB Connection Noise Cancellation Status Screen Lock Status Transmitter 1 Battery Level Transmitter 2 Identifier 3.5mm Audio Output Connection Headphone Connec-

tion Receiver Battery Level Transmitter 1 Identifier Transmitter 1 Signal Strength Transmitter 1 Recording 8 Transmitter 1 Input Volume Transmitter 2 Recording Transmitter 2 Signal Strength Transmitter 2 Battery Level Transmitter 2 Input Volume Display Description B: Receiver Main Interface (in the Charging Case) The Receiver is in the Charging Case Charging Case Battery Level Transmitter 1 Battery Level Receiver Battery Level Transmitter 2 Battery Level Time Display 9 Display Description C: Receiver Output Volume Interface Output Volume on the Left Channel Left Channel in Stereo Mode Output Volume Bar on the Left Channel Output Volume on the Right Channel Output Volume Bar on the Right Channel 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. 10 Display Description D: Receiver Quick Settings Interface Quick Settings Interface for Transmitter 1 ENC Switch Mute Switch 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. 11 Display Description E: Receiver Menu Interfac 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. 12 Indicator Description Transmitter Status Indicator Pattern Description Blue light flashing quickly Blue light flashing slowly Steady blue light Steady green light Green light flashing slowly Steady pink light Red and blue lights flashing quickly and alternately Steady red light Breathing red light flashing Breathing orange light, returning to the previous state after 5 seconds Breathing orange light Steady orange light Pairing Disconnected from the receiver Connected to the receiver ENC ON & Connected to the receiver ENC ON & Disconnected from the receiver Upgrading Malfunctioning Mute ON Low battery Power ON & Charging Power OFF & Charging Power OFF & Fully charged 13 Indicator Description Transmitter REC Indicator Pattern Description Steady red light Light OFF Recording Not recording Charging Case Indicator One light outside the charging case flashing when the charging case is connected via USB Four steady lights outside the charging case Breathing light inside the charging case Steady light inside the charging case Charging case in charging mode Charging case fully Transmitter/Receiver in charging mode Transmitter/Receiver fully charged 14 Indicator Description Pattern One LED ON, flashing red Low battery. One LED ON Two LEDs ON Three LEDs ON Four LEDs ON Battery Level The transmitter and the receiver cannot be charged using the charging case. 25%

50%

75%

100%

15 Receiver Menu Description Press the control knob to enter the settings interface from the main interface. The menu operations are as follows:

1. Select REC Mode to set the receiver output mode. a. Stereo b. Mono c. Safety Track 2. Select Mic Settings to set the transmitter parameters. a. Mic Gain: Press the control knob or tap to adjust the transmitter input gain. b. 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. 16 Receiver Menu Description c. 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. d. 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. e. 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. a. OFF: Audio play on the phone speaker is disabled. b. ON: Audio can be played on the phone speaker without unplugging the receiver from the mobile phone. 4. Select EQ to configure audio settings. a. Hi-Fi: Select this mode to ensure Hi-Fi audio pickup with high restoration. b. Low Cut: Select this mode to filter low-frequency sound. c. Vocal Boost: Select this mode to increase voice intelligibility. 17 Receiver Menu Description 5. Select System Settings to configure system settings. a. Pairing: Press the control knob or tap to set the receiver to pairing mode. b. Brightness: Press the control knob or tap to adjust the brightness of the receiver touchscreen. c. Upgrade Mode: Press the control knob or tap to activate the device upgrade process. d. Date: Press the control knob or tap to set the date for the receiver. The settings will be synchronized to the connected transmitter. e. Time: Press the control knob or tap to set the time for the receiver. The settings will be synchronized to the connected transmitter. f. Language: Press the control knob or tap to set the device language to English or Chinese. g. Factory Reset: Press the control knob or tap to reset the device to the default settings. h. Version Info: Press the control knob or tap to check the receiver firmware version, connected transmitter firmware version, and SN. 18 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. 19 Operation Instructions 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. 20 Operation Instructions 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. 21 Operation Instructions 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. 22 Function Description Pairing The transmitter and the receiver are paired by default. Follow either of the follow-

ing 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) Figure 1 Figure 2 23 Function Description Noise Cancellation Recording Press the noise cancellation button on the transmitter to enable the noise cancellation function. In this case, the transmitter status indicator light turns green. Press the REC button on the transmitter to enable the recording function. In this case, the transmitter REC indicator light turns steady red. 24 Function Description 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 unprocessed RAW file. When the recording lasts for an extended peri-

od, the file will be separated automatically every 30 minutes. 3. The transmitter is supported with 8GB built-in memory for storing the record-

ing file 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. 25 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 on 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. 26 Firmware Update 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 it will return to the previous state after the firmware update is completed. 3. After the firmware is updated successfully, the transmitter will restart automatically. 27 Specifications Name Dimensions Weight LARK MAX Transmitter About 48.5mm x 30.3mm x 19.37mm

(1.9" x 1.2" x 0.76") About 33g (1.16oz) Transmission Range 820ft (250m) for LOS/197ft (60m) for NLOS Modulation Mode EIRP GFSK

<20dBm Operating Frequency 2400MHz2483.5MHz Battery Type Battery Capacity Battery Voltage Battery Energy Charging Temperature Operating Temperature Charging Time Operating Time RoHS LiPo 300mAh 3.87V 1.161Wh 0 C to 45 C 20 C to 45 C

<2 hours 7.5 hours 28 Specifications Recording Time Recorded Audio Format Mic Polar Pattern Mic Sensitivity Input Dynamic Range Frequency Response Signal-to-Noise Ratio 14 hours 48 kHz/24-bit WAV Omnidirectional 36dBFS1dB@1 kHz,94dB SPL 98dB (Default)/106dB (Max) 20 Hz20 kHz (Low Cut disabled) 70dB Sound Pressure Level 120dB SPL (Default)/128dB SPL (Max) Equivalent Noise 24dBA Note: The above data is test data in an open, interference-free environment. 29 Specifications Name Dimensions Weight Touchscreen Touchscreen Resolution Modulation Mode EIRP LARK MAX Receiver About 58mm x 40.83mm x 23.17mm

(2.3" x 1.6" x 0.9") About 60g (2.1oz) 1.1" AMOLED 126 x 294 pixels GFSK

<20dBm Operating Frequency 2400MHz2483.5MHz Battery Type Battery Capacity Battery Voltage Battery Energy Charging Temperature Operating Temperature Charging Time Operating Time RoHS LiPo 490mAh 3.87V 1.896Wh 0 C to 45 C 20 C to 45 C

<2 hours 9 hours 30 Specifications Name Dimensions Weight Battery Type Battery Capacity Battery Voltage Battery Energy Charging Time Operating Temperature Charging Temperature LARK MAX Charging Case About 115mm x 46mm x 63mm

(4.5" x 1.8" x 2.5") About 193.5g (6.8oz) RoHS LiPo 2800mAh 3.85V 10.78Wh 2 hours 20 C to 45 C 0 C to 45 C Max Charging Times Max two times of charging for 2 TX and 1 RX 31 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 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. 32 Support If you encounter any problems in using the product or need any help, please contact Hollyland Support Team via the following ways:

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. 33 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:

34 FCC Requirement 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. 35

V1.0 20230423 33.5*8.5mm 2.3*1.5mm(0.2 LOGO 0.3mm 6C 0.2mm A6902 TX (HL) 20230423 V1.0 A6902 TX +HL) 20230423 20230423 HY-PRT_LC_01_062 5002010275

Shenzhen Hollyland Technology Co.,Ltd Attestation Statement Letter I Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2023-4-17 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC Application for FCC ID: 2ADZC-6902T Shenzhen Hollyland Technology Co.,Ltd certifies that the equipment for which authorization is sought is not covered equipment prohibited for receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely Applicants Signature:

Applicants name: Vincent Ma Date: 04/17/2018 VCB_F-01: Operating Procedures Form FCC Authorization v02 Page 1 of 1

Shenzhen Hollyland Technology Co.,Ltd Attestation Statement Letter II Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2023-4-17 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC Application for FCC ID: 2ADZC-6902T Shenzhen Hollyland Technology Co.,Ltd certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing "covered equipment. Sincerely Applicants Signature:

Applicants name: Vincent Ma Date: 04/17/2018 VCB_F-01: Operating Procedures Form FCC Authorization v02 Page 1 of 1

Shenzhen Hollyland Technology Co.,Ltd Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2ADZC-6902T Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Exhibit Type 1. Block Diagram, 2. Schematics, 3. Operational Description File Name 1. 2ADZC-6902T-Block diagram 2. 2ADZC-6902T -SCH 3. 2ADZC-6902T -Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commissions public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of 180 (ie- 45, 90 or 180) days:

Exhibit Type 1. External Photos 2. Internal Photos 3. Test Setup Photos 4. User Manual File Name N/A Signature:

Contact name: Vincent Ma Company name: Shenzhen Hollyland Technology Co.,Ltd Address: 8F,Building 5D,Skyworth Innovation Valley, Tangtou Road. Shiyan Street, Baoan District, Shenzhen, China. Date: 04/17/2018 VCB_F-01: Operating Procedures Form FCC Confidentiality v02 Page 1 of 1

Shenzhen Hollyland Technology Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2023-4-17 SUBJECT: FCC Application for (FCC ID: 2ADZC-6902T) To Whom It May Concern:

We, the undersigned, hereby authorize Hedy Huang in Shenzhen Huaxia Testing Technology Co., Ltd at 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen Huaxia Testing Technology Co., Ltd on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely,

(Must be signed by the person that is listed on the FCC Website) Signature:

Contact name: Vincent Ma Company name: Shenzhen Hollyland Technology Co.,Ltd Address: 8F,Building 5D,Skyworth Innovation Valley, Tangtou Road. Shiyan Street, Baoan District, Shenzhen, China. Date: 04/17/2018 VCB_F-01: Operating Procedures Form FCC Authorization v02 Page 1 of 1