ZXZ-XRA25Wireless Speaker Kit with Subwoofer Output

Dayton Audio Division of Parts Express Wireless Speaker Kit with Subwoofer Output (M/N)：XRA25 1. working voltage: DC 9V/0.2A. 2. modulation GFSK 3. 2.4GHz ISM Band 4. Low LBOM cost 5. Audio format 16bit , 48KHz sampling rate 6. Power ON/OFF pop noise reduction 7. Robust Packet error correction 8. Low power consumption 9. No RF induced audio noise 10. Ready to go reference system 11. S/N: -95dB Main Function DC9V LINE IN Speaker input RF pairing Subwoofer in Dayton Audio Division of Parts Express The application diagram DVD Mp3 Wireless Speaker Kit with Subwoofer Output wired audio RF Receiver Power button FCC Certification Requirements Caution: Any changes or modifications in construction of this device which are 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. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment. 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.

Dayton Audio Division of Parts Express 725 Pleasant Valley Rd Springboro, Ohio 45066 USA Confidentiality Request Letter Page 1 of 1 Rev 2.0 July 25, 2014 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Permanent Confidentiality Request Confidentiality Request regarding application for certification of FCC ID: ZXZ-XRA25 We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Operational Description - Schematic 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 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Client’s signature: Client’s name / title: Rich Taylor/ Manager Contact information / address: 725 Pleasant Valley Rd Springboro, Ohio 45066 USA TEL: 937-743-3000 FAX: 937-743-1677 E-mail: [email protected]

External Photo

FCC Certification Label Label Location on EUT label size:high 2cm, Wide:4cm EUT View/ FCC ID Label Location FCC ID:ZXZ-XRA25 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.

Internal Photo antenna

FCC PART 15.249 EMI MEASUREMENT AND TEST REPORT For Dayton Audio Division of Parts Express 725 Pleasant Valley Rd Springboro, Ohio 45066 USA FCC ID: ZXZ-XRA25 July 25, 2014 This Report Concerns: Original Report Equipment Type: Wireless Speaker Kit with Subwoofer Output Test Engineer: Lisa Chen Report No.: BSL130710190 Receive EUT Date/Test Date: July 02,2014 / July 02 - July 25, 2014 Reviewed By: Sky Zhang Prepared By: BSL Testing Co.,LTD. NO. 24, ZH Park, Nantou, Shenzhen, 518000 China Tel: 86- 755-26508703 Fax: 86- 755-26508703 Note: The test report is specially limited to the above company and this particular sample only. It may not be duplicated without prior written consent of BSL Testing Co.,LTD. This report must not be used by the client to claim product certification,approval,or endorsement by NVLAP, NIST or any agency of the US Government. FCC ID: ZXZ-XRA25 BSL130710190 Page 2/25 TABLE OF CONTENTS 1. GENERAL INFORMATION ....................................................................................................3 1.1. Report information ............................................................................................................3 1.2. Measurement Uncertainty .................................................................................................3 2. PRODUCT DESCRIPTION ......................................................................................................4 2.1. EUT Description ...............................................................................................................4 2.2. Block Diagram of EUT Configuration..............................................................................5 2.3. Support Equipment List ....................................................................................................5 2.4. Test Conditions .................................................................................................................5 3. TEST RESULTS SUMMARY ...................................................................................................6 Modifications ................................................................................................................................6 4. TEST EQUIPMENT USED .......................................................................................................7 5. ANTENNA REQUIREMENT ...................................................................................................8 5.1. Standard Applicable..........................................................................................................8 5.2. Antenna Connected Construction .....................................................................................8 5.3. Result ................................................................................................................................8 6. CONDUCTED POWER LINE TEST .......................................................................................9 6.1. Test Equipment .................................................................................................................9 6.2. Test Procedure ..................................................................................................................9 6.3. Test Setup..........................................................................................................................9 6.4. Conducted Power line Emission Limits............................................................................9 6.5. Conducted Power Line Test Result.................................................................................10 7. RADIATED EMISSION TEST ...............................................................................................12 7.1. Test Equipment ...............................................................................................................12 7.2. Test Procedure ................................................................................................................12 7.3. Radiated Test Setup ........................................................................................................12 7.4. Radiated Emission Limit.................................................................................................14 7.5. Radiated Emission Test Result .......................................................................................15 8. BAND EDGE .............................................................................................................................20 8.1. Test Equipment ...............................................................................................................20 8.2. Test Procedure ................................................................................................................20 8.3. Band Edge FCC 15.249(d) Limit ....................................................................................20 8.4. Band Edge Test Result ....................................................................................................21 9. 20-DB BANDWIDTH ...............................................................................................................22 9.1. Test Equipment ...............................................................................................................22 9.2. Test Procedure ................................................................................................................22 9.3. Limit................................................................................................................................22 9.4. Test Result /Plots ............................................................................................................22 FCC ID: ZXZ-XRA25 BSL130710190 Page 3/25 1. GENERAL INFORMATION 1.1. Report information 1.1.1.This report is not a certificate of quality; it only applies to the sample of the specific product/equipment given at the time of its testing. The re…

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Conducted emissions test Radiated emissions test