2BVWW-C110subwoofer

MODEL:C110 中间对折装钉 420.00 mm 1 4 5 . 0 0 m m From Italy Snail Power 2026-05 B版 TOUCH YOUR SOUL,ENJOY SNAIL SOUND! w w w . s n a i l p o w e r . n e t 2026-05-12修改尺寸，调整内容 封面120克铜版纸，过膜， 内⻚80克铜版纸 2：Technical parameters 3：roduct AccessoriesP APower Cord： * 1PC C：User Manual B：Coaxial Cable * 1PC 02 C110C110 01 19 03 04 C110C110 5：Front panel function 4：Finished dimension drawing Subwoofer speaker unit: 10-inch large rubber edge, long stroke tone, large suspension system, double magnet inside and outside Large diameter shaped L-shaped air duct *2Pcs 345 mm 350 mm 4 0 0 m m 4 1 9 m m 6B：ack panel function Introduction 1 2 3 4 5 6 1.Status indicator ON Green Detected audio input, triggered the power, in normal working mode. STANDBY RED waiting for the audio signal to triggered Power, in standby mode. OFF Non No power input. This subwoofer can continue to work safely, if there is an audio signal input, the subwoofer will automatically turn on. If we don't get a signal in 15 minutes or so,The subwoofer will automatically switch to standby mode (LED with red light). In standby mode, your subwoofer uses minimal power. 2.Volume adjustment knob Subwoofer volume adjustment, so that it reaches the appropriate volume. 3.USB JACK USB Type A port: Used to update firmware and power USB devices, output voltage DC 5V/500mA. 4.SNAIL MODE SMALL ROOM:It is recommended to use it in a 20 square meter closed space according to the scenario of small room. MOVIE :According to the setting of the living room, it is recommended to use in more than 20 square meters or Unconfined space. MUSIC:Suitable for pure music, hi-fi music, listening to music in a variety of environments. 5.INPUT RCA Input(2VP-P), DVD, CD, AV power amplifier SUB signal or audio output of other devices can be directly connected to the subwoofer INPUT. 6.Power Cord Receptacle The receptacle accepts the AC power cord，Input voltage AC220V~240V-50/60Hz;2PCS built-in fuse tube, size T4AL/250V, φ 5x20mm. 7.Voltage selection switch This machine can operate in an environment of 100-120V or 220-240V. Before using the machine,please make sure the voltage switch is set to the correct position. 7 05 06 C110C110 7：A/V Processor Connections SNAIL S series, C Series, X series subwoofer is designed to optimized with mainstream AV amplifier. Use attached RCA cable to connect from AV amplifier subwoofer Output pole with Subwoofer Input. Refer drawing to connect the cable. AV power amplifier INPUT SUBWOOFER 8：Setup Home Theater System Home Theater Speaker: The two front speakers can be placed on two side of TV screen located at ¼ section of the front wall. (as shown in the picture).The speaker is tilted slightly towards the listener. It is recommended to place the rear-surround speaker in a higher position behind the listener's head. If the back wall far from the listener's seat, could consider using floor stand. If the position of center speaker is too high or too low, tilt it slightly toward the listener's ear. The center speaker should be further away from the direct line of surround speaker's front side. Using AV amplifier's automatic testing function for calibration and adjustment. Super Subwoofer: human ear cannot distinguish the direction of the bass, the Super Sub could be placed freely. The distance of the Sub from the wall will affect the bass performance. Putting it in the corner might enhance the bass but may reduce the clarity. If you use two super Sub same time, it will enhance the performance of your home theater system. 9：Multi-channel Placement SUB WOOFER SUB WOOFER DolbyLabs, DTS, and THX provide 5.1 and 7.1 layouts. The exact structure of these systems depends on the performance of your processor, we will also provide some experimental results for your reference. With 5.1 and 7.1 system, the position of listener should notbe too close to the rear wall.To fully perform the benefitsof these systems, it is important to make sure that signals from all speakers reach DolbyLabs' multi-channel home theater system layout simultaneously. 10：Subwoofer installation Using Two Subwoofer When using two Subwoofer, try placement near the front corners of the room, at diagonally-opposite corners of the room, or at the center points of opposing walls as shown at right. Experimentation with subwoofer and listener placement is recommended to achieve the best results - the benefts can be substantial. High- resolution measurements and professional system calibration are recommended for the best possible results & system performance. Recommended subwoofer Placement Options for Two Subwoofer Research indicates that the smoothest bass response for a large listening area can be achieved using four subwoofers, placing one at the midpoint of each of the four walls (although using two or three subwoofers can be almost as good). Experimentation with subwoofer and listener placement is recommended to achieve the best results- the Benefts can be substantial. High- resolution measurements and professional system calibration are recommended for the best possible results & system performance. Using Three or Four Subwoofer 07 08 C110C110 Recommended subwoofer Placement Options for Three Subwoofer Recommended subwoofer Placement Options for Four Subwoofer 09 10 C110C110 11 12 C110C110 speaker PCB board Wire Enclosure Accessories C110C110 13 14 C110C110 中文说明书 7 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 aga…

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LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BVWW-C110C110,QY-D500S,QY-D500SII,QY-D500R,QY-D500RII, QY-D500E,QY-D500EII,C110V1,C110V2,C110V3, C110V4,C110V5,C110V6,C110V7,C110V8,C110 V9,C10R,X135,X135V2,X135V3,X135V4,X135V5, X135V6,X135V7,X135V8,X135V9,W10,W10V1, W10V2,W10V3,W10V4,W10V5,W10V6,W10V7, W10V8,W10V9,X135V1 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-C110 C110, QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY-D500E, QY-D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9, X135 V1 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 -3332973859 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-C110 C110, QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY- D500E, QY-D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9, X135 V1 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-C110 C110, QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY-D500E, QY-D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9, X135 V1 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 -3332973859 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-C110 Model Number: C110, QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY-D500E, QY-D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9, X135 V1 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: C110, QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY-D500E, QY-D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9, X135 V1, 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-C10R Fig. 1 Fig. 2 FCC ID: 2BVWW-C10R Fig. 3 Fig. 4 FCC ID: 2BVWW-C10R Fig. 5 Fig. 6 FCC ID: 2BVWW-C10R Fig. 7

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

FCC ID: 2BVWW-C10R Fig. 1 Fig. 2 FCC ID: 2BVWW-C10R Fig. 3 Fig. 4 FCC ID: 2BVWW-C10R Fig. 5 Fig. 6 Antenna Antenna(disable) FCC ID: 2BVWW-C10R Fig. 7 Fig. 8 FCC ID: 2BVWW-C10R Fig. 9 Fig. 10 FCC ID: 2BVWW-C10R Fig. 11

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. ............................................ : GTS20250616018-3-02 2BVWW-C110 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 ...................... : C110 Listed Models .................................. : QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY-D500E, QY-D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9,X135 V1 Hardware Version ............................ : W2273_M_V3.0 Software Version .............................. : N/A Rating ............................................... : AC 100V-120V, 60Hz/ AC 220V-240V, 50Hz Result ............................................... : PASS Report No.:GTS20250616018-3-02 Page 2 of 10 T E S T R E P O R T Test Report No. : GTS20250616018-3-02 Jun.16, 2026 ______________________________________________________________________________________________ Date of issue Equipment under Test : subwoofer Model /Type : C110 Listed model : QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY-D500E, QY- D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9,X135 V1 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.:GTS20250616018-3-02 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 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............................................. : GTS20250616018-3-01 2BVWW-C110 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 ...................... : C110 Listed Models .................................. : QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY-D500E, QY- D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9,X135 V1 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.:GTS20250616018-3-01 Page 2 of 34 T E S T R E P O R T Test Report No. : GTS20250616018-3-01 Jun.16, 2026 ______________________________________________________________________________________________ Date of issue Equipment under Test : subwoofer Model /Type : C110 Listed model : QY-D500S, QY-D500S II, QY-D500R, QY-D500R II, QY-D500E, QY- D500E II, C110 V1, C110 V2, C110 V3, C110 V4, C110 V5, C110 V6, C110 V7, C110 V8, C110 V9, C10R, X135, X135 V2, X135 V3, X135 V4, X135 V5, X135 V6, X135 V7, X135 V8, X135 V9, W10, W10 V1, W10 V2, W10 V3, W10 V4, W10 V5, W10 V6, W10 V7, W10 V8, W10 V9,X135 V1 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.:GTS20250616018-3-01 Page 3 of 34 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-C10R _______________________________________________________________________________________________ Page 1 of 2 1. TEST SETUP PHOTOGRAPHS 1.1. Photo of Radiated Emissions Measurement Fig. 1 Fig. 2 FCC ID: 2BVWW-C10R _______________________________________________________________________________________________ Page 2 of 2 Photo of Conducted Emission Measurement Fig. 3