FCC ID: 2AO85-WXM30 Wireless Microphone System

Bietrun WXM30 UHF Professional 8-Channels Rechargeable Wireless Microphone System User manual If you have any questions, please feel free to contact us. E-mail: amazon@bietrun.com 1 1. Product introduction This UHF Professional 8-Channels Rechargeable Wireless Microphone System uses UHF frequency band transmission, which has the characteristics of long transmission distance, strong anti-interference ability, low delay, and clear sound quality. It is easy to use and operate. Note: Please read and follow all warnings carefully before use, and keep this manual for subsequent use. 2. Product description Microphones Display CH 1 CH 2 CH 3 CH 4 botton No. Part Name Micropho ne Display Power Function Description Notes Pickup voice

(1)Information about microphone: power, signal, channel, volume, microphone 1-8;

(2)Only battery level will be displayed after 5 seconds of no operation on the microphone.

(1)Power on/off: short press to turn on, press 2S to turn off;

(2)Volume: Short press to adjust the volume in turn. 1-5 levels, level 1 is the smallest, level 5 is the largest. 2 Press this button to adjust the channel. External DC 5V power supply charges the product.

(1)Green: microphone is on;

(2)Red flash: low power;

(3)Red: charging; Red light is off when fully charged. Press this button to switch channels when the connection is unstable.

(1)Charge it once before your first use;

(2)Charge it with low power. Channel Charging port Indicator light Receiver Front Di sp la y Signal Frequency Mic ID Power 3 Back No. Part Name Power Function Description Short press to turn on, long press to turn off Notes Channel Display Display connection information of Microphone 1-8 When the mic is not turned on, the "--"

on the display of the channel flashes in sequence. volume Adjust volume of mic 1-8:Turn left to decrease the volume, turn right to increase the volume. Antenna Receive wireless signals from microphone 123456 78.

(1)Please tighten the nut to the right of the antenna before turning it on for the first time

(2)When connection is unstable and sound is intermittent, you can adjust the antenna direction to improve it. 4 21 Microphone Output 6.35mm audio output XLR output port of mic 1-8 This port only outputs the audio signal of its own microphone 6.35mm audio output interface Charging port Input voltage is DC 12V The audio is a mixture of microphone 1-8 Please use the adapter provided with the product 3. Connection 3.1 Input Connection 3.2 Output Connection When the microphones and receiver are turned on, They will be automatically paired. Audio amplifier devices with XLR interface, 6.35mm audio input interfaces can be connected to this product, including mixers, multimedia speakers, Bluetooth speakers, power amplifiers, and lever speakers. 5 XLR XLR 6.35 XLR Mixing console Multimedia Bluetooth Speaker XLR PA 6 XLR audio output and 6.35mm output can not be connected to the same devices, otherwise the sound may Note:

not be played normally. 4. FAQ 3 No sound 4 Small sound 5 6 Intermittent sound Howling or screaming 5. Parameter Receiver No. 1 Problems Receiver cant be turned on 2 Microphones cant be turned on Solutions

(1)Check whether the power is turned on,

(2)Check whether the adapter and cable are connected with the receiver correctly and firmly.

(1)Charge first and check whether the mic charging indicator is on;

(2)Short press the power button to turn on.

(1)Check whether the volume of the microphone, amplifier and Bluetooth devices have been turned on;

(2)Check whether the microphone is successfully connected to the receiver, the display will be on if the connection is successful;

(3)Turn up the volume of the receiver;

(4)Check whether the XLR interface and 6.35 interface are connected correctly;

(5)The amplifying device may need to set the input mode, please refer to the manual of the amplifying device for setting;

(1) Adjust the VOL button on the microphone to increase the volume, 1 is the minimum , 5 is the maximum

(2)Turn the knob to the right to increase the microphone volume on the receiver

(3)Turn up the volume of the amplifier.

(1)Shorten the distance between the microphone and the receiver(within 30M, No obstacle)

(2)Switch channel

(1)Reduce the volume of amplifier or microphones;

(2)Dont place the microphones too close to the speaker. 7 Receiving frequency: U Band Frequency stability: <0.005%

Sensitivity: 2mV Interference frequency ratio > 90dB Image interference ratio: >88dB Signal to noise ratio: >95dB Audio output: 800mV-1.4V Working range: Standard conditions 30 to 50 m Receive channel: 4 Supply Voltage: DC 12V Power consumption: 3W Antenna: universal antenna Handheld Transmitter Carrier frequency: U Band Transmit power: 10mW Harmonic: <Main wave 40dB Pickup: 600single directivity Antenna: built-in Complex Index Frequency stability: <0.005%

Current consumption: <25mA Standard: Fixed frequency Battery: lithium battery Supply Voltage: DC 5V Dynamic Range: >95dB System distortion(<1%1K Hertz modulation Frequency response: 50Hz-18KHz(+3dB) 6. Packing List 8X Microphone (12345678 1X Receiver 4X Microphone Antenna 1X 6.35mm to 6.35mm cable 2X Charging cable 1X Adapter 1X Manual 8 FCC Statement 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:

connected. Caution: Any changes or modications to this device not explicitly approved by manufacturer could void your authority to operate this 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. 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 Consult the dealer or an experienced radio/TV technician for help. RF Exposure Information The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. 9

Shenzhen LCS Compliance Testing Laboratory Ltd. FCC ID: 2AO85-WXM30 Label and Location Wireless Microphone System Model No.: WXM30 FCC ID: 2AO85-WXM30 Size: L4.0cm*W2.0cm Label Location This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 1

SHENZHEN JINGDU TECHNOLOGY CO.,LTD Agent Authorization Company: SHENZHEN JINGDU TECHNOLOGY CO.,LTD Address: 3F, Building D, Fuxinlin Park, Hangcheng industrial Park, Qianjin 2 Road, Xixiang town, Baoan District, Shenzhen, China Product Name: Wireless Microphone System Trade Mark: Bietrun, KAPEBOW Model Number(s): WXM30, WXM30A, WXM30B, WXM30C, WXM30D, WXM30-1, WXM30-2, WXM30-3, WXM30-4 FCC ID: 2AO85-WXM30 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Date: 2022-05-07 Name:

Jack Wang Title:

Product Manager Company: SHENZHEN JINGDU TECHNOLOGY CO.,LTD

SHENZHEN JINGDU TECHNOLOGY CO.,LTD Add: 3F, Building D, Fuxinlin Park, Hangcheng industrial Park, Qianjin 2 Road, Xixiang town, Baoan District, Shenzhen, China Tel: 13077885188 Fax: /

Date: 2022-05-07 Dear Sir/Madam, We, SHENZHEN JINGDU TECHNOLOGY CO.,LTD Hereby declares the following statement , PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these models, different appearance and shape, does not affect the electrical structure:

Product name: Wireless Microphone System Models No.: WXM30, WXM30A, WXM30B, WXM30C, WXM30D, WXM30-1, WXM30-2, WXM30-3, WXM30-4 Sincerely, Clients name / title : Jack Wang/ Product Manager Contact information / address: 3F, Building D, Fuxinlin Park, Hangcheng industrial Park, Qianjin 2 Road, Xixiang town, Baoan District, Shenzhen, China Tel: 13077885188 E-Mail: Wangwei198627@126.com

SHENZHEN JINGDU TECHNOLOGY CO.,LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2022-05-07 Subject; Request for Confidentiality FCC ID: 2AO85-WXM30 To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description Bom Turn up procedure External Photos Test Setup Photos Internal Photos User Manual In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

OR For 45 days, pursuant to Public Notice DA 04-1705. For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Jack Wang Title: Product Manager