2AAIN-MNRR270ROCKIN ROLLER 270 SPEAKER

ACOUSTMAX INTERNATIONAL CO., LTD Agent Authorization Letter 2020-04-01 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen Huaxia Testing Technology Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name: Zhi yun Wu Position: Manager Company Name: ACOUSTMAX INTERNATIONAL CO., LTD Address: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road Wanchai HongKong Tel / Fax 13510365603 / 852-25301919 E-Mail: [email protected]

Declaration statement Letter 2020-04-01 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Declaration statement Letter To Whom It May Concern: We hereby declare that (FCC ID: 2AAIN-MNRR270) fulfill the requirements of 47 CFR Part 15C Section 15.247(g) & 15.247(h). Compliance for section 15.247(g) According to Bluetooth Core Specification, the Bluetooth system transmits the packet with the pseudorandom hopping frequency with a continuous data and the short burst transmission from the Bluetooth system is also transmitted under the frequency hopping system with the pseudorandom hopping frequency system. Compliance for section 15.247(h) According to Bluetooth Core specification, the Bluetooth system incorporates with an adaptive system to detect other user within the spectrum band so that it individually and independently to avoid hopping on the occupied channels. According to the Bluetooth Core specification, the Bluetooth system is designed not have the ability to coordinated with other FHSS System in an effort to avoid the simultaneous occupancy of individual hopping frequencies by multiple transmitter. Please contact me if there is any information you may need. Sincerely, Name: Zhi yun Wu Position: Manager Company Name: ACOUSTMAX INTERNATIONAL CO., LTD Address: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road Wanchai HongKong Tel / Fax 13510365603 / 852-25301919 E-Mail: [email protected]

ACOUSTMAX INTERNATIONAL CO., LTD Long Term Confidentiality Request Letter 2020-04-01 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2AAIN-MNRR270) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: Zhi yun Wu Position: Manager Company Name: ACOUSTMAX INTERNATIONAL CO., LTD Address: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road Wanchai HongKong Tel / Fax 13510365603 / 852-25301919 E-Mail: [email protected]

Model difference letter 2020,04,01 Dear MET Reviewer, This is a new Application from ACOUSTMAX INTERNATIONAL CO., LTD MNRR270, MNRR270-X, MNRR270-C, MNRR270-EU are identical in interior structure, electrical circuits, components and appearance. Only different in color of appearance and model name Thank you for your cooperation! Yours sincerely, Signatory: Name: Zhi yun Wu Position: Manager Company Name: ACOUSTMAX INTERNATIONAL CO., LTD Address: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road Wanchai HongKong Tel / Fax 13510365603 / 852-25301919 E-Mail: [email protected]

Test Model No.:MNRR270

Test Model No.:MNRR270

ROCKIN’ ROLLER 270 SPEAKER Model No.: MNRR270 FCC ID: 2AAIN-MNRR270 INPUT: AC100-240V~50/60Hz 80W lithium battery: DC12V Manufacturer: China Electronic Southern Pioneer Technology Company 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 ID: 2AAIN-MNRR270 FCC ID: 2AAIN-MNRR270 FCC ID: 2AAIN-MNRR270 FCC ID: 2AAIN-MNRR270 FCC ID: 2AAIN-MNRR270 FCC ID: 2AAIN-MNRR270

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 RF Exposure Evaluation Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No. : CQASZ20200300146E-03 Applicant: ACOUSTMAX INTERNATIONAL CO., LTD Address of Applicant: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road WanchaiHongKong. Equipment Under Test (EUT): EUT Name: ROCKIN’ ROLLER 270 SPEAKER Model No.: MNRR270, MNRR270-X, MNRR270-C, MNRR270-EU Test Model No.: MNRR270 Brand Name: Monster FCC ID: 2AAIN-MNRR270 Standards: 47 CFR Part 1.1307 47 CFR Part 2.1093 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2020-03-10 Date of Test: 2020-03-10 to 2020-03-17 Date of Issue: 2020-03-17 Test Result : PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By： (Tom Chen) Reviewed By: (Aaron Ma) Approved By: ( Jack Ai) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200300146E-03 Page:2 of 7 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200300146E-03 Rev.01 Initial report 2020-03-17 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200300146E-03 Page:3 of 7 2 Contents Page 1 VERSION ...................................................................................................................................................... 2 2 CONTENTS .................................................................................................................................................. 3 3 GENERAL INFORMATION .......................................................................................................................... 4 3.1 CLIENT INFORMATION .................................................................................................................................. 4 3.2 GENERAL DESCRIPTION OF EUT ................................................................................................................. 4 3.3 GENERAL DESCRIPTION OF BT .................................................................................................................... 4 3.4 GENERAL DESCRIPTION OF BLE .................................................................................................................. 4 4 SAR EVALUATION ...................................................................................................................................... 5 4.1 RF EXPOSURE COMPLIANCE REQUIREMENT ................................................................................................ 5 4.1.1 Standard Requirement ..................................................................................................................... 5 4.1.2 Limits ................................................................................................................................................ 5 4.1.3 EUT RF Exposure ............................................................................................................................ 6 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200300146E-03 Page:4 of 7 3 General Information 3.1 Client Information Applicant: ACOUSTMAX INTERNATIONAL CO., LTD Address of Applicant: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road WanchaiHongKong. Manufacturer: China Electronic Southern Pioneer Technology Company Address of Manufacturer: Building B, zhongdian industrial park, longling avenue, puqian town, yuancheng district, heyuan city, guangdong province, China 3.2 General Description of EUT Product Name: ROCKIN’ ROLLER 270 SPEAKER Model No.: MNRR270, MNRR270-X, MNRR270-C, MNRR270-EU Test Model No.: MNRR270 Trade Mark: Monster Hardware Version: V03 Software Version: V03 Sample Type: Mobile Portable Fix Location Power Supply: INPUT: AC100-240V~50/60Hz 80W lithium battery: DC12V 3.3 General Description of BT Operation Frequency: 2402MHz~2480MHz Modulation Technique: Frequency Hopping Spread Spectrum(FHSS) Modulation Type: GFSK, π/4DQPSK Number of Channel: 79 Transfer Rate: 1Mbps/2Mbps/3Mbps Hopping Channel Type: Adaptive Frequency Hopping systems Test Software of EUT: FCCAssist 2.4 (manufacturer declare ) Antenna Type: PCB antenna Antenna Gain: 0dBi 3.4 General Description of BLE Operation Frequency: 2402MHz~2480MHz Modulation Type: GFSK Transfer Rate: 1Mbps Number of Channel: 40 Test Software of EUT: simple_peripheral (manufacturer declare ) Antenna Type: PCB antenna Antenna Gain: 0dBi Model No.: MNRR270, MNRR270-X, MNRR270-C, MNRR270-EU Only the model MNRR270 was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200300146E-03 Page:5 of 7 4 SAR Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 4.1.2 Limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR,…

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Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 Test Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No. : CQASZ20200300146E-01 Applicant: ACOUSTMAX INTERNATIONAL CO., LTD Address of Applicant: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road WanchaiHongKong. Equipment Under Test (EUT): EUT Name: ROCKIN’ ROLLER 270 SPEAKER Model No.: MNRR270, MNRR270-X, MNRR270-C, MNRR270-EU Test Model No.: MNRR270 Brand Name: Monster FCC ID: 2AAIN-MNRR270 Standards: 47 CFR Part 15, Subpart C Date of Receipt: 2020-03-10 Date of Test: 2020-03-10 to 2020-03-17 Date of Issue: 2020-03-17 Test Result : PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By： (Tom Chen) Reviewed By: (Aaron Ma) Approved By: (Jack Ai) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200300146E-01 Page:2 of 82 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200300146E-01 Rev.01 Initial report 2020-03-17 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200300146E-01 Page:3 of 82 2 Test Summary Test Item Test Requirement Test method Result Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) ANSI C63.10 (2013) PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10 (2013) PASS Conducted Peak Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(1) ANSI C63.10 (2013) PASS 20dB Occupied Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Carrier Frequencies Separation 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Hopping Channel Number 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Dwell Time 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Pseudorandom Frequency Hopping Sequence 47 CFR Part 15, Subpart C Section 15.247(b)(4)&TCB Exclusion List (7 July 2002) ANSI C63.10 (2013) PASS Band-edge for RF Conducted Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013) PASS RF Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013) PASS Radiated Spurious emissions 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013) PASS Restricted bands around fundamental frequency (Radiated Emission) 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013) PASS Model No.: MNRR270, MNRR270-X, MNRR270-C, MNRR270-EU Only the model MNRR270 was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200300146E-01 Page:4 of 82 3 Contents Page 1 VERSION .................................................................................................................................................................. 2 2 TEST SUMMARY .................................................................................................................................................... 3 3 CONTENTS .............................................................................................................................................................. 4 4 GENERAL INFORMATION ................................................................................................................................... 5 4.1 CLIENT INFORMATION .......................................................................................................................................... 5 4.2 GENERAL DESCRIPTION OF EUT .......................................................................................................................... 5 4.3 ADDITIONAL INSTRUCTIONS................................................................................................................................. 7 4.4 TEST ENVIRONMENT ............................................................................................................................................ 8 4.5 DESCRIPTION OF SUPPORT UNITS ......................................................................................................................... 8 4.6 STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................. 9 4.7 TEST LOCATION ................................................................................................................................................. 10 4.8 TEST FACILITY ................................................................................................................................................... 10 4.9 ABNORMALITIES FROM STANDARD CONDITIONS ............................................................................................... 10 4.10 OTHER INFORMATION REQUESTED BY THE CUSTOMER ...................................................................................... 10 4.11 EQUIPMENT LIST ................................................................................................................................................ 11 5 TEST RESULTS AND MEASUREMENT DATA .............................................................................................. 12 5.1 ANTENNA REQUIREMENT ................................................................................................................................... 12 5.2 CONDUCTED EMISSIONS .................................................................................................…

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FCC ID: 2AAIN-MNRR270 1 Photographs - EUT Test Setup 1.1 Radiated Emission 9KHz~30MHz: 30MHz~1GHz: FCC ID: 2AAIN-MNRR270 Above 1GHz: 1.2 Conducted Emission