2BVWW-S10Rsubwoofer

Ver.:2026-05 C:User Manual x 1PC 6 5,VOLTAGE SELECTION SWITCH 7 8 8 AC100-120V~60Hz/ A / CAUTIONS 2 The following conditions are not eligible for the 7-day replacement service: 1.Due to personal subjective reasons, there is no valid reason for a return. The following conditions are not eligible for the 12-month warranty: 1.;Warranty period has expired 2..Product quality issues caused by man - made damage 1 2.Vexatious request for replacement; C: 用户说明书 x 1本 7 8 AC100-120V~60Hz/ 6 7 8 A / 7天包换 1.商品质量问题! 12个月保修 1.确定在保修时效之内！ 1 2 以下情况,不享受7天包换服务: 1.人为因素造成产品质量问题! 2.本人主观因素,无理取闹要求换货者! 以下情况,不享受12个月保修服务: 1.保修服务时效过期! 2.人为损坏造成商品质量问题! 注意事项 2.物流造成商品损坏! 3.配件完整无缺! FCC Warning 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 inte rference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 interferenceto 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. Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BVWW-S10RS10R,S10D,QY-D1000S,QY-D1000SII,QY- D1000R,QY-D1000RII,QY-D1000E,QY- D1000EII,S10DV1,S10DV2,S10DV3,S10D V4,S10DV5,S10DV6,S10DV7,S10DV8, S10DV9,S10RV1,S10RV2,S10RV3,S10R V4,S10RV5,S10RV6,S10RV7,S10RV8, S10RV9,P10,P10V1,P10V2,P10V3,P10 V4,P10V5,P10V6,P10V7,P10V8,P10V9 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementwithoutexpirationdate US-AmericanPointofContactApplicant/ApprovalHolder SignatureSignature Compan yName: FCCUSAgent,LLCZefengAudioTechnology(Shenzhen)Co., Ltd. FRN:00334028840038359311 Contact Name: TimPayneReneRen Address : 3722IllinoisAvenue,SaintCharles, IL,60174,USA A3Building,2thLixinRoad,Fuyong，Bao'an, Shenzhen,Guangdong Phone:708-571-3148+8613332973859 Email:[email protected]@snailpower.net

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BVWW-S10R S10R, S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY- D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9 We, Applicant Company Name: Zefeng Audio Technology (Shenzhen) Co., Ltd Address: A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Phone: +86-13332973859 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-07-02 Signature Date Name / Title: Rene Ren / Manager Company: Zefeng Audio Technology (Shenzhen) Co., Ltd Address: A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Phone: +86 13332973859 Fax: N/A E-Mail: [email protected]

Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2BVWW-S10R S10R, S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY-D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9 Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen Global Test Service Co., Ltd. Contact Name: Jinghua Xiao Address: Room No. 101, Building 1, and Room No. 101, Building 3, No. 88 Jinkang Road, Jinsha Community, Kengzi Sub-district, Pingshan District, Shenzhen City, Guangdong, China Phone: +86-755-28717088 Email: [email protected] Date: 2026-07-02 Signature:

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BVWW-S10R S10R, S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY-D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Procedure The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-07-02 Signature Date Name / Title: Rene Ren / Manager Company: Zefeng Audio Technology (Shenzhen) Co., Ltd Address: A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Phone: +86 13332973859 Fax: N/A E-Mail: [email protected]

Zefeng Audio Technology (Shenzhen) Co., Ltd A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Date: July 2, 2026 FCC ID: 2BVWW-S10R Model Number: S10R, S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY-D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9 To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Zefeng Audio Technology (Shenzhen) Co., Ltd hereby declare that our product (subwoofer) Model Number: S10R, S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY-D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9, The PCB board, structure and internal of these model(s) are the same, Only the model name different , So no additional models were tested. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Rene Ren / Manager Company: Zefeng Audio Technology (Shenzhen) Co., Ltd Address: A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Phone: +86 -13332973859 Fax: N/A E-Mail: [email protected]

FCC ID: 2BVWW-S10R Fig. 1 Fig. 2 FCC ID: 2BVWW-S10R Fig. 3 Fig. 4 FCC ID: 2BVWW-S10R Fig. 5 Fig. 6 FCC ID: 2BVWW-S10R Fig. 7 Fig. 8

_____________________________________________________________________________________________________ LABEL AND LOCATION (Size: L8.0cm x 5.0cm) Label Location

FCC ID: 2BVWW-S10R Fig. 1 Fig. 2 Antenna Antenna(disable) FCC ID: 2BVWW-S10R Fig. 3 Fig. 4 FCC ID: 2BVWW-S10R Fig. 5 Fig. 6 FCC ID: 2BVWW-S10R Fig. 7 Fig. 8 FCC ID: 2BVWW-S10R Fig. 9 Fig. 10 FCC ID: 2BVWW-S10R Fig. 11 Fig. 12 FCC ID: 2BVWW-S10R Fig. 13 Fig. 14

Shenzhen Global Test Service Co.,Ltd. Room No. 101, Building 1, and Room No. 101, Building 3, No. 88 Jinkang Road, Jinsha Community,Kengzi Sub- district, Pingshan District, Shenzhen City, Guangdong ,China RF Exposure evaluation Report Reference No...................... : FCC ID. ............................................ : GTS20250616018-1-02 2BVWW-S10R Compiled by ( position+printed name+signature) . : File administrators Peter Xiao Supervised by ( position+printed name+signature) . : Test Engineer Evan Ouyang Approved by ( position+printed name+signature) . : Manager Jason Hu Date of issue .................................... : Jun.16, 2026 Representative Laboratory Name . : Shenzhen Global Test Service Co.,Ltd. Address ............................................ : Room No. 101, Building 1, and Room No. 101, Building 3, No. 88 Jinkang Road, Jinsha Community,Kengzi Sub-district, Pingshan District, Shenzhen City, Guangdong ,China Applicant’s name ............................ : Zefeng Audio Technology (Shenzhen) Co., Ltd Address ............................................ : A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Test specification ........................... : Standard ........................................... : 47CFR §1.1310 Basis and purpose 47CFR §2.1091 Radiofrequency radiation exposure evaluation: mobile devices KDB447498 D01 General RF Exposure Guidance v06 TRF Originator .................................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ...................................... : Dated 2014-12 Shenzhen Global Test Service Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test Service Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : subwoofer Trade Mark ....................................... : N/A Manufacturer .................................... : Zefeng Audio Technology (Shenzhen) Co., Ltd Model/Type reference ...................... : S10R Listed Models .................................. : S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY-D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9 Hardware Version ............................ : W2273_M_V3.0 Software Version .............................. : N/A Rating ............................................... : AC 100V-120V, 60Hz/ AC 220V-240V, 50Hz Result ............................................... : PASS Report No.:GTS20250616018-1-02 Page 2 of 10 T E S T R E P O R T Test Report No. : GTS20250616018-1-02 Jun.16, 2026 ______________________________________________________________________________________________ Date of issue Equipment under Test : subwoofer Model /Type : S10R Listed model : S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY-D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9 Applicant : Zefeng Audio Technology (Shenzhen) Co., Ltd Address : A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Manufacturer : Zefeng Audio Technology (Shenzhen) Co., Ltd Address : A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.:GTS20250616018-1-02 Page 3 of 10 Contents 1. SUMMARY ................................................................................................................................................................. 4 1.1 EUT CONFIGURATION ........................................................................................................................................................ 4 1.2 PRODUCT DESCRIPTION ..................................................................................................................................................... 4 2. TEST ENVIRONMENT ................................................................................................................................................. 5 2.1 ADDRESS OF THE TEST LABORATORY ..................................................................................................................................... 5 2.2 TEST FACILITY .................................................................................................................................................................. 5 2.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................................ 5 2.4 STATEMENT OF THE MEASUREMENT UNCERTAINTY .................................................................................................................. 5 3. METHOD OF MEASUREMENT .................................................................................................................................... 6 3.1 APPLICABLE STANDARD ...................................................................................................................................................... 6 3.2 REQUIREMENT ................................................................................................................................................................. 6 3.3 LIMIT ...........…

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Manufacturer Everestek Inc. Address 2F.-1, No. 5, Tai-Yuen lst St.， Zhubei City, Hsinchu County, 30288 Taiwan (Full display google map) Model EV20SC Antenna type PCB antenna Antenna Gain 2.00dBi 1.Test equipment and conditions: 1.1.Network Analyzer 1.2.Communication test equipment 1.3.Test system 1.4.Matching circuit 2.Test Data: 2.1. Standing wave ratio 2.2.Efficiency 2.3.Directivity diagram 3.Antenna drawing(MM):

Shenzhen Global Test Service Co., Ltd Room No. 101, Building 1, and Room No. 101, Building 3, No. 88 Jinkang Road, Jinsha Community,Kengzi Sub-district, Pingshan District, Shenzhen City, Guangdong ,China FCC PART 15 SUBPART C TEST REPORT FCC PART 15 C(15.249) Report Reference No. ..................... : FCC ID............................................. : GTS20250616018-1-01 2BVWW-S10R Compiled by ( position+printed name+signature) . : File administrators Peter Xiao Supervised by ( position+printed name+signature) . : Test Engineer Evan Ouyang Approved by ( position+printed name+signature) . : Manager Jason Hu Date of issue .................................... : Jun.16, 2026 Representative Laboratory Name . : Shenzhen Global Test Service Co.,Ltd. Address ............................................ : Room No. 101, Building 1, and Room No. 101, Building 3, No. 88 Jinkang Road, Jinsha Community,Kengzi Sub-district, Pingshan District, Shenzhen City, Guangdong ,China Applicant’s name ............................ : Zefeng Audio Technology (Shenzhen) Co., Ltd Address ............................................ : A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Test specification ........................... : Standard ........................................... : FCC CFR 47 PART 15 C(15.249) ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a- 2024 TRF Originator .................................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ...................................... : Dated 2014-12 Shenzhen Global Test Service Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test Service Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : subwoofer Trade Mark ....................................... : N/A Manufacturer .................................... : Zefeng Audio Technology (Shenzhen) Co., Ltd Model/Type reference ...................... : S10R Listed Models .................................. : S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY-D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9 Modulation Type ............................... : DSSS,OFDM Operation Frequency ........................ : From 5727MHz ~ 5848MHz Hardware Version ............................ : W2273_M_V3.0 Software Version .............................. : N/A Rating ............................................... : AC 100V-120V, 60Hz/ AC 220V-240V, 50Hz Result ............................................... : PASS Report No.:GTS20250616018-1-01 Page 2 of 35 T E S T R E P O R T Test Report No. : GTS20250616018-1-01 Jun.16, 2026 ______________________________________________________________________________________________ Date of issue Equipment under Test : subwoofer Model /Type : S10R Listed model : S10D, QY-D1000S, QY-D1000S II, QY-D1000R, QY-D1000R II, QY-D1000E, QY-D1000E II, S10D V1, S10D V2, S10D V3, S10D V4, S10D V5, S10D V6, S10D V7, S10D V8, S10D V9, S10R V1, S10R V2, S10R V3, S10R V4, S10R V5, S10R V6, S10R V7, S10R V8, S10R V9, P10, P10 V1, P10 V2, P10 V3, P10 V4, P10 V5, P10 V6, P10 V7, P10 V8, P10 V9 Applicant : Zefeng Audio Technology (Shenzhen) Co., Ltd Address : A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Manufacturer : Zefeng Audio Technology (Shenzhen) Co., Ltd Address : A3 Building, 2th Lixin Road, Fuyong, Baoan, Shenzhen, Guangdong, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.:GTS20250616018-1-01 Page 3 of 35 Contents 1. TEST STANDARDS ......................................................................................................................................... 4 2. SUMMARY ....................................................................................................................................................... 5 2.1. General Remarks ................................................................................................................................... 5 2.2. Product Description ................................................................................................................................ 5 2.3. Equipment Under Test ........................................................................................................................... 5 2.4. Short description of the Equipment under Test (EUT) ........................................................................... 5 2.5. EUT operation mode .............................................................................................................................. 6 2.6. Block Diagram of Test Setup ................................................................................................................. 7 2.7. EUT Exercise Software .......................................................................................................................... 7 2.8. Special Accessories ............................................................................................................................... 7 2.9. External I/O Cable .................................................................................................................................. 7 2.10. Related Submittal(s) / Grant (s) ...........................................................................................…

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FCC ID: 2BVWW-S10R _______________________________________________________________________________________________ Page 1 of 2 1. TEST SETUP PHOTOGRAPHS 1.1. Photo of Radiated Emissions Measurement Fig. 1 Fig. 2 FCC ID: 2BVWW-S10R _______________________________________________________________________________________________ Page 2 of 2 Photo of Conducted Emission Measurement Fig. 3