2A523IMT8510SOUNDROVER QUAKE ULTIMATE PARTY SPEAKER

DATE CODE: 01/2026EPA TSCA Title Vl compliant for formaldehyde. ITEM NO.: IMT8510-BLK MID#3580126 TECH SUPPORT #:1.855.292.4087 MADE IN CHINA FCC ID: 2A523IMT8510 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. RODUCT DESCRIPTION: SOUNDROVER QUAKE ULTIMATE PARTY SPEAKER AC INPUT: 110V~, 60Hz, 530W 800562 US FM ANTENNA RL LR POWER 110VAC, 60Hz ON OFF AUX OUTPUT AUX INPUT WARNING Heat This device contains a smoke machine that will become hot in normal use. Do not touch the smoke machine parts. Servicing Hazardous voltages are contained within the device. No user serviceable parts inside. Return to qualified service agent for repair. 40mm 50mm DATE CODE: 01/2026EPA TSCA Title Vl compliant for formaldehyde. ITEM NO.: IMT8510-BLK MID#3580126 TECH SUPPORT #:1.855.292.4087 MADE IN CHINA FCC ID: 2A523IMT8510 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. RODUCT DESCRIPTION: SOUNDROVER QUAKE ULTIMATE PARTY SPEAKER AC INPUT: 110V~, 60Hz, 530W 800562 US Label Location：On the back of the device.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027003 Page: 1 of 11 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2601000270AT Applicant: Huizhou Oppen Electronic Technology Co., Ltd Address of Applicant: Floor 7,8 and 9 of building 1,2 and 3,No.19 binhe Avenue,Lilin Town Zhongkai High-tech Zone, Huizhou, China Manufacturer: SAKAR INTERNATIONAL INC. Address of Manufacturer: 195 Carter Drive Edison, NJ 08817 Factory: Huizhou Oppen Electronic Technology Co., Ltd Address of Factory: Floor 7, 8 and 9 of Building 1,2 and 3, No. 19 Binhe Avenue,Lilin Town, Zhongkai High-tech Zone, Huizhou, Guangdong, China Equipment Under Test (EUT): EUT Name: SOUNDROVER QUAKE ULTIMATE PARTY SPEAKER Model No.: IMT8510, L127, IMT8510-BLK   Please refer to section 3.2 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: ALTEC LANSING FCC ID: 2A523IMT8510 Standard(s) : FCC Rules 47 CFR §2.1091 KDB 447498 D04 interim General RF Exposure Guidance v01 Date of Receipt: 2026-01-19 Date of Evaluation: 2026-01-22 to 2026-01-29 Date of Issue: 2026-03-24 Evaluation Result: Pass* * In the configuration evaluated, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027003 Page: 2 of 11 Revision Record Version Chapter Date Modifier Remark 01 2026-03-24 Original Authorized for issue by: Gebin Sun/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027003 Page: 3 of 11 2 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Contents .................................................................................................................................................... 3 3 General Information .................................................................................................................................. 4 3.1 General Description of E.U.T. ............................................................................................................ 4 3.2 Details of E.U.T. ................................................................................................................................. 4 3.3 Separation Distance ........................................................................................................................... 4 3.4 Test Location ...................................................................................................................................... 5 3.5 Test Facility ........................................................................................................................................ 5 3.6 Deviation from Standards ................................................................................................................... 5 3.7 Abnormalities from Standard Conditions ........................................................................................... 5 4 FCC Radiofrequency radiation exposure limits .................................................................................... 6 4.1 Blanket 1 mW Blanket Exemption ...................................................................................................... 6 4.2 MPE-based Exemption ...................................................................................................................... 6 4.3 SAR-based Exemption ....................................................................................................................... 7 4.4 RF Exposure Test Exemptions for Simultaneous Transmission ........................................................ 9 5 Measurement and Calculation ............................................................................................................... 10 5.1 Maximum transmit power ................................................................................................................. 10 5.2 RF Exposure Calculation ................................................................................................................. 10 6 EUT Constructional Details (EUT Photos) ........................................................................................... 11 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027003 Page: 4 of 11 3 General Information 3.1 General Description of E.U.T. Product Type: Portable device Mobile device Fixed device 3.2 Details of E.U.T. Power supply: AC Input: 110V/60Hz USB-A output: DC5V 1A 3V DC (1.5V x 2 "AAA" Size Batteries) for remote controller Cable(s): AUX IN cable:120cm unshielded AC cable:160cm unshielded Operation Frequency: 2402MHz to 2480MHz Modulation Type: GFSK, pi/4DQPSK, 8DPSK Number of Channels: 79 Channel Spacing: 1MHz Spectrum Spread Technology: Frequency Hopping Spread Spectrum(FHSS) Antenna Type: PCB Antenna Antenna Gain: 1.9dBi Remark:The information in this section is provided by the applicant or manufacturer, SGS is not liable to the accuracy, suitability, reliability or/and integrity of the information. Declaration of EUT Family Grouping: Model No.: IMT8510, L127, IMT8510-BLK Only the model L127 was tested, since according to the declaration from the applicant, the electrical circuit design, PCB layout, components used and internal wiring and functions were identical for the above models, with only difference being of color and model No. 3.3 Separation Distance Minimum test separation distance: 20cm Remark: This minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements,…

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Prod u ct specification Qui ck Reference Da te Antenna module on the system board Frequenc Range 2400 ~ 2500M Hz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 ou tput powe r) Tot. Rad. Pwr. (dBm) -1.2 (Input pwr – loss pw r) Pea k EIRP (dBm) 1.2 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) 6 0.2 % Gain (dB i) 1.2 ( Avg Gain XY-plane) Maximum Powe r (dBm) 1.7 (XY-plane) Minimum Power (dBm) - 4(XY-plane) Avg. Powe r (dBm) -0.5(XY-plane) Input Impendence(ohm) 50 Polarization Type V ertical & Horizontal V . S .W . R < 1.4 All the te chnical data and information contained herein are subj ec t to change without prior notice Antenna Layo ut & mo dule on the system b oa rd Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Modu le B oa rd 1.2 -0.51.9 -3.61.1 -3.06 0.2 % 1.2 1.9 ( Manufacture SHANGJAIN MOUNTAIN VIEW SILICON TECHNOLOGV CO LTD 4c, Building 3, Hengyue International Building, Lane 1238, Zhangjiang Road, Pudong New Area, Shanghai Address Antenna type: Flat strip antenna Antenna no.: L-D Retum Loss The En v iron m ent of Anten na Radiation P a tte m 3D ra d i a t i on pa tte r n dia g r a m XY-plane XZ-plane YZ-plane

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027002 Page: 1 of 89 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2601000270AT Applicant: Huizhou Oppen Electronic Technology Co., Ltd Address of Applicant: Floor 7,8 and 9 of building 1,2 and 3,No.19 binhe Avenue,Lilin Town Zhongkai High-tech Zone, Huizhou, China Manufacturer: SAKAR INTERNATIONAL INC. Address of Manufacturer: 195 Carter Drive Edison, NJ 08817 Factory: Huizhou Oppen Electronic Technology Co., Ltd Address of Factory: Floor 7, 8 and 9 of Building 1,2 and 3, No. 19 Binhe Avenue,Lilin Town, Zhongkai High-tech Zone, Huizhou, Guangdong, China Equipment Under Test (EUT): EUT Name: SOUNDROVER QUAKE ULTIMATE PARTY SPEAKER Model No.: IMT8510, L127, IMT8510-BLK   Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: ALTEC LANSING FCC ID: 2A523IMT8510 Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2026-01-19 Date of Test: 2026-01-22 to 2026-01-29 Date of Issue: 2026-03-24 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027002 Page: 2 of 89 Revision Record Version Chapter Date Modifier Remark 01 2026-03-24 Original Authorized for issue by: Gebin Sun/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027002 Page: 3 of 89 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Other requirements Frequency Hopping Spread Spectrum System Hopping Sequence N/A 47 CFR Part 15, Subpart C 15.247(a)(1),(g),(h) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2020) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2020) Section 6.10.5 & 7.8.8 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10 (2020) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10 (2020) Section 6.6 & 7.8.8 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Maximum Conducted Output Power ANSI C63.10 (2020) Section 7.8.5 47 CFR Part 15, Subpart C 15.247(b)(1) Pass 20dB Bandwidth ANSI C63.10 (2020) Section 6.9.2 47 CFR Part 15, Subpart C 15.247(a)(1) Pass Carrier Frequencies Separation ANSI C63.10 (2020) Section 7.8.2 47 CFR Part 15, Subpart C 15.247a(1) Pass Hopping Channel Number ANSI C63.10 (2020) Section 7.8.3 47 CFR Part 15, Subpart C 15.247a(1)(iii) Pass Dwell Time ANSI C63.10 (2020) Section 7.8.4 47 CFR Part 15, Subpart C 15.247a(1)(iii) Pass Conducted Band Edges Measurement ANSI C63.10 (2020) Section 7.8.7.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2020) Section 7.8.7 47 CFR Part 15, Subpart C 15.247(d) Pass SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027002 Page: 4 of 89 Declaration of EUT Family Grouping: Model No.: IMT8510, L127, IMT8510-BLK Only the model L127 was tested, since according to the declaration from the applicant, the electrical circuit design, PCB layout, components used and internal wiring and functions were identical for the above models, with only difference being of color and model No. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch SZEMC-TRF-01 Rev. A/2 Report No.: SZCR260100027002 Page: 5 of 89 3 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Test Summary ........................................................................................................................................... 3 3 Contents .................................................................................................................................................... 5 4 General Information .................................................................................................................................. 7 4.1 Details of E.U.T. ................................................................................................................................. 7 4.2 Description of Support Units .............................................................................................................. 7 4.3 Measurement Uncertainty .................................................................................................................. 8 4.4 Test Location ...................................................................................................................................... 9 4.5 Test Facility ........................................................................................................................................ 9 4.6 Deviation from Standards ................................................................................................................... 9 4.7 Abnormalities from Standard Conditions ........................................................................................... 9 5 Equipment List ........................................................................................................................................ 10 6 Radio Spectrum Technical Requirement ............................................................................................. 12 6.1 Antenna Requirement ............................................................................................................…

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