XN6-SB3221NJ632 Inch Sound Bar 2.1 System

2.1 Sound Bar User Manual Model: SB3221n-J6 Please read this guide before using the product. ENG - ii ENG - iii Accessibility Contact VIZIO for accessibility support at: Email: [email protected] Phone: 1-877-698-4746 Binding Arbitration Agreement and Class Action Waiver This purchase is subject to full VIZIO Terms and Conditions, including Binding Arbitration Agreement and Class Action Waiver, which may be viewed at vizio.com/en/terms/terms-of-service. By using this device, you accept those Terms and Conditions. You have the right to opt out of the Binding Arbitration Agreement and Class Action Waiver within 60 calendar days of your purchase. Please refer to the Limited Warranty section of this User Manual or view the full VIZIO Terms and Conditions for opt-out instructions. ENG - iv IMPORTANT SAFETY INSTRUCTIONS Your Unit is designed and manufactured to operate within defined design limits, and misuse may result in electric shock or fire. To prevent your Unit from being damaged, the following rules should be observed for its installation, use, and maintenance. Please read the following safety instructions before operating your Unit. Keep these instructions in a safe place for future reference. • Heed all warnings. • Follow all instructions. • Do not use this Unit near water. • Clean only with a dry cloth. • Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. • Do not install near any heat sources such as radiators, heat registers, stoves, or other Unit (including amplifiers) that produce heat. • Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. • Protect the power cord from being walked on or pinched particularly at the ends where the plug is located, near convenience receptacles, or where they exit from the Unit. • Only use attachments/accessories specified by the manufacturer. • Use only with the stand, tripod, or bracket specified by the manufacturer, or sold with the Unit. When a cart is used, use caution when moving the cart/Unit combination to avoid injury from tip-over. • Unplug this Unit during lightning storms or when unused for long periods of time. • Refer all servicing to qualified service personnel. Servicing is required when the Unit has been damaged in any way, such as when the power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the Unit, the Unit has been exposed to rain or moisture, does not operate normally, or has been dropped. • To reduce the risk of electric shock or component damage, switch off the power before connecting other components to your Unit. • Unplug the power cord before cleaning your Unit. A damp cloth is sufficient for cleaning. Do not use a liquid or a spray cleaner on your Unit. Do not use abrasive cleaners. • Always use the accessories recommended by the manufacturer to ensure compatibility. • When moving your Unit from an area of low temperature to an area of high temperature, condensation may form in the housing. Wait before turning on your Unit to avoid causing fire, electric shock, or component damage. • Slots and openings in the back and bottom of the Unit are provided for ventilation. To ensure reliable operation of your Unit and to protect it from overheating, be sure these openings are not blocked or covered. Do not place your Unit in a bookcase or cabinet unless proper ventilation is provided. • Never push any object into the slots and openings on your Unit. Do not place any objects on the top of your Unit. Doing so could short circuit parts causing a fire or electric shock. Never spill liquids on your Unit. • Do not block the subwoofer ports. Allow for 1-2 inches of space around all sides for ventilation. • WARNING: Exposure to loud sounds can damage your hearing causing hearing loss and tinnitus (ringing or buzzing in the ears). With continued exposure to loud noises, ears may become accustomed to the sound level, which may result in permanent damage to hearing without any noticeable discomfort. • When connected to a power outlet, power is always flowing into your Unit. To totally disconnect power, unplug the power cord. • Do not overload power strips and extension cords. Overloading can result in fire or electric shock. • The wall socket should be located near your Unit and be easily accessible. • Keep your Unit away from moisture. Do not expose your Unit to rain or moisture. If water penetrates into your Unit, unplug the power cord and contact your dealer. Continuous use in this case may result in fire or electric shock. ENG - v IMPORTANT SAFETY INSTRUCTIONS • Do not use your Unit if any abnormality occurs. If any smoke or odor becomes apparent, unplug the power cord and contact your dealer immediately. Do not try to repair your Unit yourself. • Avoid using dropped or damaged appliances. If your Unit is dropped and the housing is damaged, the internal components may function abnormally. Unplug the power cord immediately and contact your dealer for repair. Continued use of your Unit may cause fire or electric shock. • Do not install your Unit in an area with heavy dust or high humidity. Operating your Unit in environments with heavy dust or high humidity may cause fire or electric shock. • Ensure that the power cord and any other cables are unplugged before moving your Unit. • When unplugging your Unit, hold the power plug, not the cord. Pulling on the power cord may damage the wires inside the cord and cause fire or electric shock. When your Unit will not be used for an extended period of time, unplug the power cord. • To reduce risk of electric shock, do not touch the connector with wet hands. • Insert the remote contro…

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Zylux Acoustic Corporation Date: 2021-05-26 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: XN6-SB3221NJ6 To Whom It May Concern: This letter is to statement that SB3221n-J6 / 32 Inch Sound Bar 2.1 System. has been tested according to FCC Part 15B by Waltek Testing Group Co., Ltd. (Test Report No.: WTD21D05042898E). And the SDOC file, meetting the requirements of the FCC regulations, would been provided when the device is sold by the responsible party in US. The service will not be sold until the SDOC is provided. If the sale does not have an SDOC, all responsibility is the responsibility of the applicant. Sincerely, Signature [Rita Chang] [Director] [Zylux Acoustic Corporation]

Zylux Acoustic Corporation Date: May 26, 2021 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: XN6-SB3221NJ6 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Schematics Block Diagram Operational Description Schematics.pdf Block Diagram.pdf Operational Description.pdf 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 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, Zylux Acoustic Corporation Signature Rita Chang / Director Typed name and Title

Zylux Acoustic Corporation FCC ID: XN6-SB3221NJ6 POWER OF ATTORNEY Date: May 26, 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group Co., Ltd. (Philo Zhong) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group Co., Ltd. (Philo Zhong) on our behalf shall have the same effect as acts of our own. This authorization expires on May 25, 2022. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Zylux Acoustic Corporation are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Zylux Acoustic Corporation Signature Rita Chang / Director Typed name and Title

Appendix-SB3221n-J6-Photos Page 1 of 4 Photographs –Constructional Details EUT – External View Model SB3221n-J6 FCC ID: XN6-SB3221NJ6 Appendix-SB3221n-J6-Photos Page 2 of 4 Appendix-SB3221n-J6-Photos Page 3 of 4 Appendix-SB3221n-J6-Photos Page 4 of 4

Appendix-SB3221n-J6-Photos Page 1 of 13 Photographs –Constructional Details EUT – Internal View Model SB3221n-J6 FCC ID: XN6-SB3221NJ6 Appendix-SB3221n-J6-Photos Page 2 of 13 Appendix-SB3221n-J6-Photos Page 3 of 13 Appendix-SB3221n-J6-Photos Page 4 of 13 Appendix-SB3221n-J6-Photos Page 5 of 13 Appendix-SB3221n-J6-Photos Page 6 of 13 BT ANT Appendix-SB3221n-J6-Photos Page 7 of 13 Appendix-SB3221n-J6-Photos Page 8 of 13 Appendix-SB3221n-J6-Photos Page 9 of 13 Appendix-SB3221n-J6-Photos Page 10 of 13 Appendix-SB3221n-J6-Photos Page 11 of 13 Appendix-SB3221n-J6-Photos Page 12 of 13 Appendix-SB3221n-J6-Photos Page 13 of 13

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 7 TEST REPORT Referen ce No. .................... : WTD21D05042709W002 FCC ID ................................ : XN6-SB3221NJ6 Applicant ............................ : Zylux Acoustic Corporation Address .............................. : 7F, 70, Rui Guang Road, Neihu District, Taipei 114, Taiwan Manufacturer .................... : Zylux Acoustic Corporation Address .............................. : 7F, 70, Rui Guang Road, Neihu District, Taipei 114, Taiwan Product ............................... : 32 Inch Sound Bar 2.1 System Model(s). ............................ : SB3221n-J6 Standards........................... : FCC Part 2.1091 Date of Receipt sample .... : 2021-05-08 Date of Test ....................... : 2021-05-08 to 2021-05-20 Date of Issue ...................... : 2021-05-20 Test Result ......................... : Pass Remarks: The re sults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Levi Xiao / Project Engineer Daniel Liu / Designated Reviewer Reference No.: WTD21D05042709W002 Page 2 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................... 2 3 REVISION HISTORY ................................................................................................................................. 3 4 GENERAL INFORMATION ....................................................................................................................... 4 4.1 GENERAL DESCRIPTION OF E.U.T. ....................................................................................................... 4 4.2 DETAILS OF E.U.T. .............................................................................................................................. 4 4.3 TEST FACILITY .................................................................................................................................... 4 5 TEST SUMMARY ...................................................................................................................................... 5 6 RF EXPOSURE ......................................................................................................................................... 6 6.1 PROCEDURES AND REQUIREMENTS ...................................................................................................... 6 6.2 TEST RESULT ...................................................................................................................................... 7 Reference No.: WTD21D05042709W002 Page 3 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3 Revision History Test Report No. Date of Receipt Sample Date of Test Date of Issue Purpose CommentApproved WTD21D05042709 W002 2021-05-08 2021-05-08 to 2021-05-20 2021-05-20 Original - Valid Reference No.: WTD21D05042709W002 Page 4 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4 General Information 4.1 General Description of E.U.T. Product: 32 Inch Sound Bar 2.1 System Model(s): SB3221n-J6 Antenna Gain: 4.1dBi Max. RF output power: 3.81dBm Bluetooth Specification: 2402-2480MHz, 79 Channels in total Hardware Version: A Software Version: V01 4.2 Details of E.U.T. Ratings: AC 100-240V, 50/60Hz, 24W 4.3 Test Facility The test facility has a test site registered with the following organizations: ISED CAB identifier: CN0013. Test Firm Registration No.: 7760A. Waltek Testing Group Co., Ltd. Has been registered and fully described in a report filed with the Industry Canada. The acceptance letter from the Industry Canada is maintained in our files. Registration number 7760A, October 15, 2016. FCC Designation No.: CN1201. Test Firm Registration No.: 523476. Waltek Testing Group Co., Ltd. EMC Laboratory `has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. Registration number 523476, September 10, 2019. Reference No.: WTD21D05042709W002 Page 5 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 5 Test Summary Test Items Test Requirement Result Maximum Permissible Exposure (Exposure of Humans to RF Fields) 2.1091 PASS Reference No.: WTD21D05042709W002 Page 6 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 6 RF Exposure Test Requirement: FCC Part 2.1091 Test Mode: The EUT work in test mode(Tx). 6.1 Procedures and Requirements Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2m normally can be maintained between the user and the device. FCC Part 1.1307: (A) Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 (B) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Stre…

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Walte k Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 48 TEST REPORT Referen ce No..................... : WTD21D05042709W001 FCC ID ................................ : XN6-SB3221NJ6 Applicant ........................... : Zylux Acoustic Corporation Address ............................. : 7F, 70, Rui Guang Road, Neihu District, Taipei 114, Taiwan Manufacturer .................... : Zylux Acoustic Corporation Address ............................. : 7F, 70, Rui Guang Road, Neihu District, Taipei 114, Taiwan Product .............................. : 32 Inch Sound Bar 2.1 System Model(s). ............................ : SB3221n-J6 Standards .......................... : FCC CFR47 Part 15 Section 15.247 Date of Receipt sample .... : 2021-05-08 Date of Test ....................... : 2021-05-08 to 2021-05-20 Date of Issue ..................... : 2021-05-20 Test Result ........................ : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Levi Xiao / Project Engineer Daniel Liu/ Designated Reviewer Reference No.: WTD21D05042709W001 Page 2 of 48 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................................ 2 3 REVISION HISTORY ............................................................................................................................................ 4 4 GENERAL INFORMATION .................................................................................................................................. 5 4.1 GENERAL DESCRIPTION OF E.U.T ................................................................................................................. 5 4.2 DETAILS OF E.U.T ........................................................................................................................................... 6 4.3 CHANNEL LIST ................................................................................................................................................. 6 4.4 TEST MODE ..................................................................................................................................................... 6 5 EQUIPMENT USED DURING TEST .................................................................................................................. 7 5.1 EQUIPMENTS LIST ........................................................................................................................................... 7 5.2 MEASUREMENT UNCERTAINTY ....................................................................................................................... 8 5.3 SUBCONTRACTED ............................................................................................................................................ 8 5.4 TEST FACILITY ................................................................................................................................................. 8 6 TEST SUMMARY .................................................................................................................................................. 9 7 CONDUCTED EMISSION .................................................................................................................................. 10 7.1 E.U.T. OPERATION ....................................................................................................................................... 10 7.2 EUT SETUP ................................................................................................................................................... 10 7.3 MEASUREMENT DESCRIPTION ...................................................................................................................... 11 7.4 CONDUCTED EMISSION TEST RESULT ......................................................................................................... 11 8 RADIATED EMISSIONS..................................................................................................................................... 13 8.1 EUT OPERATION ........................................................................................................................................... 13 8.2 TEST SETUP .................................................................................................................................................. 14 8.3 SPECTRUM ANALYZER SETUP ...................................................................................................................... 15 8.4 TEST PROCEDURE ........................................................................................................................................ 16 8.5 CORRECTED AMPLITUDE & MARGIN CALCULATION ..................................................................................... 16 8.6 SUMMARY OF TEST RESULTS ....................................................................................................................... 17 9 BAND EDGE MEASUREMENT ........................................................................................................................ 20 9.1 TEST PROCEDURE ........................................................................................................................................ 20 9.2 T…

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Appendix-SB3221n-J6-Photos Page 1 of 2 Photographs –Constructional Details Setup photo Model SB3221n-J6 FCC ID: XN6-SB3221NJ6 Photograph – Conducted Emission Test Setup Test Site 1# Photograph - Spurious Emissions Radiated Test Setup For 30MHz-1000MHz Test Site 2# Appendix-SB3221n-J6-Photos Page 2 of 2 For Above 1GHz Test Site 1#