2BCZY-XOUNTSTX2.4G Wireless Receiver Transmitte

USER MANUAL Transmitter & Receiver System Overview This system employs advanced digital audio technology to deliver superior sound qualit y. It enables wireless streaming from your TV or wired audio system to your Hi-Fi system, home theater setup, or powered speakers. A single transmitter can connect to an unlimited number of receivers within its operating range. Please take a moment to review this user manual carefully before use. Key parts Front panel Rear panel 3 4 5 1 2 Antenna 2 Power / Pair button 3 Audio input 5 DC power input 4 Audio output 5 DC power input Power / Pair button 1 Antenna 2 11 2 5 DC Input 5V 500mA LEFT LEFT RIGHT DC Input 5V 500mA RIGHT Audio outputAudio input AUDIO RECEIVER AUDIO TRANSMITTER Safety Instructions For indoor use only. Do not expose the product to extreme temperatures, direct sunlight, or strong light sources. This product is not a toy. Keep out of reach of child ren. Ensure the mains voltage matches the value specified on the model label before connecting the power adapter. Do not use a damaged power adapter. Contact your supplier for a replacement. Disconnect the AC/DC power adapter if the device will not be used for an extended period. Do not disassemble the product. It may contain components with hazardous voltages. Repairs and servicing must only be performed by qualif ied personnel. Installation Note: To prevent damage, switch off all connected equipment before attaching cables. 1. RCA audio cable. 2. the RCA audio cable. 3.Connect the supplied power adapters to the transmitter and receiver using the USB-C cables, then plug them into a power outlet. (please do not conect the power plug of the Transmitter to the same source you are using for audio) 4.The transmitter and receiver will power on automatically. The connection is established. 5.The system is now ready for use. Receiver Pairing To pair an additional receiver: 1.Quickly press the power button on the new receiver twice. The LED will flash rapidly. 2.Repeat the same action on the transmitter. 3.After a few seconds, the LED will turn solid , indicating that the receiver is successfully paired. Standby Mode If no audio input is detected for more than 30 minutes, the AudioKit (Basic) AK360 will automatically enter standby mode. The LED will turn off during standby. When an audio signal is detected again, the transmitter will resume operation with in 5 seconds, and the wireless connection will be restored. Power Off Long press of the power button to turn o! the transmitter and or receiver. Technical Specification Audiotransfer method Digital System 2.4GHzISM Band Carri er frequency 2403-2478 MHz Frequency response 20-20,000Hz Datatransfer speed Up to 20Mbps, GFSK modulation Mode Stereo Transmit power 16dBm (maximum) S/N ratio 85dB Frequency channels 26 Channels Channel separation 81dB Distorti on <0.1% RF connection Paired connection (TX and RX) Input impedance 12k Drivers output power >20mW on 32 Dimensions(L*W*H) 90*75*22mm (TX/RX) Weight 160 grams Extra receivers Up to 10 extra RX Audio delay 12.5 ms (between TX and RX) Audio input / output 2x RCA (Stereo L/R) Operating range Up to 20 meters through walls and ceilings Up to 120 meters clear field Standby No audio after 30 minutes Power supply DC 5V Positive Centre 0.2A Power consumption TX-0.72W / RX-0.72W Standby (auto) <0.28W (TX/RX) Standby (power button) <0.16W (TX) and <0.22W (RX) Package Contents (EU-Versions)* Transmitter 2.4G TX* Receiver 2.4G RX* 1 x Transmitter 2.4G TX 1 x Receiver 2.4G RX 1 x User Manual 1 x User Manual 1 x Power Cable USB C 1 x Power Cable USB C 1 x TYPE C EU Power Adapter 1 x TYPE C EU Power Adapter 1 x 3.5mm (female) to RCA(male) 1 x 3.5mm (female) to RCA(male) 1 x 3.5mm audio cable 1 x 3.5mm audio cable 1 x Adapter Cinch to AUX - 1 x RCA to RCA cable 1 x RCA to RCA cable Velcro in polybag Velcro in polybag Package Contents (US-Version)* Transmitter 2.4G TX* Receiver 2.4G RX* 1 x Transmitter 2.4G TX 1 x Receiver 2.4G RX 1 x User Manual 1 x User Manual 1 x Power Cable USB C 1 x Power Cable USB C 1 x TYPE C US Power Adapter 1 x TYPE C US Power Adapter 1 x 3.5mm (female) to RCA(male) 1 x 3.5mm (female) to RCA(male) 1 x 3.5mm audio cable 1 x 3.5mm audio cable 1 x Adapter Cinch to AUX - 1 x RCA to RCA cable 1 x RCA to RCA cable Velcro in polybag Velcro in polybag *depends on which of the product you ordered XOUNTS HAMBURG GMBH 46a 22303 Hamburg Germany In case of errors or problems, check our website for possible solutions. S hould there be any further questions, we will be happy to answer them: [email protected] +49 40 228 164 59 www.xounts.com FCC ID: 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. 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 Changes or modifications not expressly…

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XOUNTS Hamburg GmbH Code 00018768 Ed. 1 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) N/A Device 2.4G Wireless Receiver Transmitte Company name XOUNTS Hamburg GmbH Grantee code 2BCZY FCC ID 2BCZY-XOUNTSTX FRN 0034217133 Contact name Oliver Richter Address Geibelstrasse 46a, Hamburg 22303, Germany Telephone number +494022816459 E-mail [email protected] Chipset/module information RF: MW1801 Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 2 # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A 2 Operating System: Microsoft Windows 8, 8.1, 10 & 11 Home / Pro / Enterprise Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate SP1 or higher N/A 3 Processor: 1 GHz or higher (x86 or x64) N/A 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) N/A 5 Screen Resolution: Minimum resolution of 1024 x 768 N/A # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 N/A 2 Memory (RAM)4 GB N/A 3 Storage: 3455 MB free space on the hard drive N/A # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: Android™ 10 – 14 N/A 3 Screen Resolution: Minimum resolution of 320 x 480 N/A # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: iOS® 17 N/A # General Requirements (For Linux system) Yes / No or N/A Comments 3 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher N/A 3 RAM: 1 GB N/A 4 Minimum software requirements: AlmaLinux OS 8 or later; AlterOS 7.5 or later; Astra Linux Common Edition 2.12 or later; CentOS 6.7 or later; Debian GNU/Linux 10.0 or later; EulerOS 2.0 or later; Oracle Linux 7.3 or later ; Red Hat Enterprise Linux 6.7 or later ; Rocky Linux 8.5 or later ; SUSE Linux Enterprise Server 12.5 or later; Ubuntu 12.04 or later ; Uncom OS Home / Business / Education / Enterprise 2.2 or later; ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; N/A After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software 4 Item 3. Connectivity Capabilities: # Physical Interface Purpose Justification 1 1 # Wireless Interface Purpose Justification 1 1 After the review of this items, the device: ☒ Cannot support installation of any cybersecurity or anti-virus software on the covered list. ☐ Potentially can operate with any cybersecurity or anti-virus software on the covered list – additional third- party proof is provided to demonstrate compliance with requirements as of 2.911(d)5(i),(ii) – “Proof of Compliance with Covered List Software Requirements” of this document applies Signature: Name: Oliver Richter Date: Oct. 30, 2025 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

TCB CALL página 1 File FCC ID: 2BCZY-XOUNTSTX Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : https://opencorporates.com/companies/us_il/LLC_12842678 In google: TCB CALL página 2 Bank information TCB CALL página 3 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter" >

[XOUNTS Hamburg GmbH] [Geibelstrasse 46a, Hamburg 22303, Germany] Date: Dec. 04, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BCZY-XOUNTSTX US Agent – Attestation Statement / Part 2.911(d)(7) [XOUNTS Hamburg GmbH] certifies, that as of [Dec. 04, 2025], we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2BCZY-XOUNTSTX. [XOUNTS Hamburg GmbH], accepts to maintain an agent of service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission- related administrative or judicial proceeding involving the equipment, whichever is later. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of [XOUNTS Hamburg GmbH] for FCC ID: 2BCZY-XOUNTSTX. Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: [XOUNTS Hamburg GmbH] FRN: 0034217133 Designated Agent: FCC US Agent, LLC Company Representative: [Oliver Richter] Tel: +494022816459 Email: [email protected] Designated Agent Representative: Tim Payne Signature: Signature:

C5266091_X8_Ed.1 1/1 Letter of Authorization XOUNTS Hamburg GmbH Company: XOUNTS Hamburg GmbH Address: Geibelstrasse 46a, Hamburg 22303, Germany Product Name: 2.4G Wireless Receiver Transmitte Model Number: XOUNTS Flow TX FCC Identifier: 2BCZY-XOUNTSTX We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Oliver Richter Date: Oct. 30, 2025 Title: CEO Signature of applicant:

Report No.: AGC06913251002AP02 Page 1 of 4 EXTERNAL PHOTOS WHOLE VIEW OF EUT TOP VIEW OF EUT 2.4G TX Antenna Report No.: AGC06913251002AP02 Page 2 of 4 BOTTOM VIEW OF EUT FRONT VIEW OF EUT Report No.: AGC06913251002AP02 Page 3 of 4 BACK VIEW OF EUT LEFT VIEW OF EUT Report No.: AGC06913251002AP02 Page 4 of 4 RIGHT VIEW OF EUT ADAPTER VIEW OF EUT ****************************************End of Report*************************************

FCC ID Label Location FCC ID:2BCZY-XOUNTSTX

Report No.: AGC06913251002AP02 Page 1 of 2 INTERNAL PHOTOS OPEN VIEW OF EUT INTERNAL VIEW OF EUT (FIGURE 1) Report No.: AGC06913251002AP02 Page 2 of 2 INTERNAL VIEW OF EUT (FIGURE 2) INTERNAL VIEW OF EUT (FIGURE 3) ****************************************End of Report*************************************

Page 1 of 11 RF Exposure Report Report No.: AGC06913251002FH01 FCC ID : 2BCZY-XOUNTSTX APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : 2.4G Wireless Receiver Transmitte BRAND NAME : XOUNTS MODEL NAME : XOUNTS Flow TX APPLICANT : XOUNTS Hamburg GmbH DATE OF ISSUE : Oct. 30, 2025 STANDARD(S) : FCC Part 2 Subpart J §2.1091 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC06913251002FH01 Page 2 of 11 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Oct. 30, 2025 Valid Initial Release Report No.: AGC06913251002FH01 Page 3 of 11 Table of Contents 1. General Information ........................................................................................................................................ 4 2. Product Information ........................................................................................................................................ 5 2.1 Product Technical Description ................................................................................................................... 5 3. Test Environment ............................................................................................................................................ 6 3.1 Address Of The Test Laboratory ............................................................................................................... 6 3.2 Test Facility ................................................................................................................................................ 6 3.3 Environmental Conditions ......................................................................................................................... 7 4. Portable Device Evaluation Method and Limit ............................................................................................. 8 5. Mobile Device Evaluation Method and Limit ................................................................................................ 9 6. Measurement Results ................................................................................................................................... 10 7. Measurement Evaluation .............................................................................................................................. 10 Report No.: AGC06913251002FH01 Page 4 of 11 1. General Information Applicant XOUNTS Hamburg GmbH Address Geibelstrasse 46a, Hamburg 22303, Germany Manufacturer SHENZHEN AKAUDIO CO., LTD Address 7/F, A Bldg(#2), 1st Shuichanjingwan Industrial Park, Nanchang Village, Gushu, XiXiang, Bao'an Dist, Shenzhen, China Factory SHENZHEN AKAUDIO CO., LTD Address 7/F, A Bldg(#2), 1st Shuichanjingwan Industrial Park, Nanchang Village, Gushu, XiXiang, Bao'an Dist, Shenzhen, China Product Designation 2.4G Wireless Receiver Transmitte Brand Name XOUNTS Test Model XOUNTS Flow TX Series Model(s) N/A Difference Description N/A Date of receipt of test item Oct. 10, 2025 Date of Test Oct. 10, 2025~Oct. 30, 2025 Deviation from Standard No any deviation from the test method Condition of Test Sample Normal Test Result Pass Test Report Form No AGCER-FCC-RF Exposure-V1 Note: The test results of this report relate only to the tested sample identified in this report. Prepared By Jack Gui (Project Engineer) Oct. 30, 2025 Reviewed By Bibo Zhang (Reviewer) Oct. 30, 2025 Approved By Angela Li (Authorized Officer) Oct. 30, 2025 Report No.: AGC06913251002FH01 Page 5 of 11 2. Product Information 2.1 Product Technical Description Frequency Band (Operating) WLAN: 2.412GHz ~ 2.462GHz WLAN: 5.18GHz ~ 5.32GHz / 5.50GHz ~ 5.70GHz WLAN: 5.745GHz ~ 5.825GHz Bluetooth: 2.402GHz ~ 2.480GHz Other: SRD: 2.403GHz ~ 2.478GHz Hardware Version V1.0 Software Version V1.0 Modulation Type GFSK Device Category Portable (<20cm separation) Mobile (>20cm separation) Others: Antenna Diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Antenna Designation External Antenna Antenna Gain 5.82dBi Minimum Assessment Distance 20cm Evaluation Applied MPE Evaluation SAR Evaluation Report No.: AGC06913251002FH01 Page 6 of 11 3. Test Environment 3.1 Address Of The Test Laboratory Laboratory: Attestation of Global Compliance (Shenzhen) Co., Ltd. Address: 1-2/F, Building 19, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 3.2 Test Facility The test facility is recognized, certified, or accredited by the following organizations: CNAS-Lab Code: L5488 Attestation of Global Compliance (Shenzhen) Co., Ltd. has been assessed and proved to follow CNAS-CL01 Accreditation Criteria for Testing and Calibration Laboratories (identical to ISO/IEC17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories.) A2LA-Lab Cert. No.: 5054.02 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been accredited by A2LA for technical competence in the field of electrical testing, and proved to follow ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing. FCC-Registration No.: 975832 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the FCC (Federal Communications Commission). The acceptance letter from the FCC is maintained in our files with Registration 975832. IC-Registration No.: 24842(CAB identifier: CN0063) Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the Certification and Engineering Bureau of Industry Canada. The acceptance letter from the IC is maintained in our files with Registration 24842. Report No.: AGC06913251002FH01 Page 7 of 11 3.3 Environmental Conditions Normal Conditions Temperature range (°C) 15 - 35 Relative humidity range 20…

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Page 1 of 51 FCC Test Report Report No.: AGC06913251002FR01 FCC ID : 2BCZY-XOUNTSTX APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : 2.4G Wireless Receiver Transmitte BRAND NAME : XOUNTS MODEL NAME : XOUNTS Flow TX APPLICANT : XOUNTS Hamburg GmbH DATE OF ISSUE : Oct. 30, 2025 STANDARD(S) : FCC Part 15 Subpart C §15.247 REPORT VERSION : V1.0 Attestation Of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC06913251002FR01 Page 2 of 51 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Oct. 30, 2025 Valid Initial Release Report No.: AGC06913251002FR01 Page 3 of 51 Table of Contents 1. General Information ........................................................................................................................................ 5 2. Product Information ........................................................................................................................................ 6 2.1 Product Technical Description ................................................................................................................... 6 2.2 Test Frequency List ................................................................................................................................... 6 2.3 Related Submittal(S) / Grant (S) ............................................................................................................... 7 2.4 Test Methodology ...................................................................................................................................... 7 2.5 Special Accessories .................................................................................................................................. 7 2.6 Equipment Modifications ........................................................................................................................... 7 2.7 Antenna Requirement................................................................................................................................ 7 3. Test Environment ............................................................................................................................................ 8 3.1 Address of the Test Laboratory ................................................................................................................. 8 3.2 Test Facility ................................................................................................................................................ 8 3.3 Environmental Conditions ......................................................................................................................... 9 3.4 Measurement Uncertainty ......................................................................................................................... 9 3.5 List of Equipment Use ............................................................................................................................. 10 4.System Test Configuration ............................................................................................................................ 12 4.1 EUT Configuration ................................................................................................................................... 12 4.2 EUT Exercise ........................................................................................................................................... 12 4.3 Configuration of Tested System .............................................................................................................. 12 4.4 Equipment Used In Tested System ........................................................................................................ 13 4.5 Summary of Test Results ........................................................................................................................ 14 5. Description of Test Modes ........................................................................................................................... 15 6. Duty Cycle Measurement ............................................................................................................................. 16 7. RF Output Power Measurement .................................................................................................................. 17 7.1 Provisions Applicable .............................................................................................................................. 17 7.2 Measurement Procedure ......................................................................................................................... 17 7.3 Measurement Setup (Block Diagram of Configuration) .......................................................................... 17 7.4 Measurement Result ............................................................................................................................... 18 8. 6dB Bandwidth Measurement ...................................................................................................................... 21 8.1 Provisions Applicable .............................................................................................................................. 21 8.2 Measurement Procedure ......................................................................................................................... 21 8.3 Measurement Setup (Block Diagram of Configuration) .......................................................................... 21 8.4 Measurement Results ............................................................................................................................. 22 9. Power Spectral Density Measurement ........................................................................................................ 26 9.1 Provisions Applicable ..............................................................................................................................…

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一、 50Ω ≤1.5 5.82dBi 垂直 全向 50W 二、 三、 图纸 Drawings（unit：mm） 2.4G card antenna 5DBI 3D test report 4.外罩颜色 Radome color黑色 5.工作温度 Working temperature -20°C ～ 85°C 6.存放温度 Storage temperature -40°C ～ 90°C 1.尺寸 Dimension 192±3mm 2.接头 Connector 1.13线IPEX1代线长100 3.外罩材料 Radome material TPE、ABS 3. 驻波比 VSWR 4. 增益 Gain 5.极化方式 Polarization 6.辐射方向 Radiation 7.功率容量 Maximun power lnput-watts 机械特性 Mechanical performance 电气性能 Electrical factor 1. 频率范围 Frenquency range 2400-2500 MHz 2. 输入阻抗 Impedance 四、 performance test 1.阻抗图 SMITH 2. 驻波图 VSWR 3. 回损图 RETURN LOSS 4.3D PATTERN 5. 3D有源gain测试 Manufacturer：Shenzhen Yangcheng Communication Antenna Co., Ltd. Address: 2nd Floor, No. 2 Yungu Street, Xikeng Community, Yuanshan Subdistrict, Longgang District, Shenzhen, China

Report No.: AGC06913251002AP01 Page 1 of 2 TEST SETUP PHOTOS RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz Report No.: AGC06913251002AP01 Page 2 of 2 AC POWER LINE CONDUCTED TEST SETUP RF CONDUCTED TEST SETUP ****************************************End of Report*************************************