2ARUDS310WSWWireless subwoofer

Quick Start GuideS4310 3.1 Channel Sound Bar with Dolby Audio ™ , DTS ® Virtual:X ™ , and Wireless Subwoofer y , , S ubwoofer 1 1 Register Your Product Register your TCL Sound Bar to receive the latest news on product releases, promotional offers, and more!* Enjoy exclusive benefits with registration: Text a photo of the camera icon to 71403 Or register online at register.tcl.com Need help? Visit photoregister.com/help or text HELP to 71403 Text to Register Expedited support and service Insider tips on your sound bar Exclusive offers and promotions Verification of ownership *Only Available to U.S. Customers TCLSBSS 2 Make sure you read all the safety information before you use this product. Warning: To avoid the danger of suffocation, keep plastic packaging away from pets, babies, and children. Do not use packaging bags in cribs, beds, carriages, or playpens. User Manual can be found at www.tcl.com/us on the specific product page in the “Download” section. 2 What's in the box (Cable length: 4 ft. 11") (Cable length: 9.8") Sound bar Wall mount template Wall anchor x 4 HDMI cable IR pass-through cable Subwoofer Safety instru ctions Safety leaflet Warranty card Warranty card QSG Quick Start Guide Remote control AAA battery x 2 Wall mount screw x 2 Wall mount bracket x 2 Screw × 4 (for installing the wall mount brackets) Power cord x 2 (Cable length: 4 ft. 11") 6 7 AUX input connectorIR input connectorAUX VA input connector AC input power connector Optical input connectorUSB Type A connectorHDMI ARC connector Short Press: Select Bluetooth modeLong press: Bluetooth Pairing Short press: Switch input sources(HDMI-ARC/Optical/AUX/AUX VA/USB/Bluetooth)Long press: Enter subwoofer pairing(If subwoofer disconnected) Press to increase or decrease the volume level. Volume buttons: Source button: Power button: Bluetooth button: Short Press: Power On/SleepLong Press: Power Off 3 6543217 3a Overview Input Source LED Indicator: HDMI-ARC: MagentaOptical: YellowAUX: GreenAUX VA: OrangeUSB: CyanBluetooth: Blue 4 3b Overview The subwoofer is now connected to the sound bar. Press and hold the button on the subwoofer for 3 seconds until an amber light begins flashing above the pair button. 1.2.3. Press and hold the button on the sound bar until a yellow LED indicator flashes on the sound bar. After a short while, the sound bar LED will turn green and the subwoofer LED will turn solid. The subwoofer will pair automatically with sound bar upon first use. In case of a problem, take the following steps to manually pair: 5 Battery type: 1.5V AAA battery x 2 4b Use the Remote 4a Install or replace the remote batteries Warning: Do not expose batteries to excessive heat such as sunshine, fire, or the like. Keep new and used batteries away from children. For disposal or recycling information, please contact your local authorities.CAUTION: Danger of explosion if the battery is incorrectly replaced. Replace only with the same or equivalent type. Short press: mute / unmute the sound Short press to turn on/off DTS Virtual:X Short Press: switch to Voice Enhance Short press to enter the Bass Boost Menu Short press to enter the treble sound effect Increase or decrease treble with / button Short press to adjust the bass sound effectIncrease or decrease bass with / button Short press: Switch input sound mode Standard, Voice, Music, Movie, Game, Sports 216 13 12 11 10 4 89 375 Increase volumeDecrease volumePlay previous music; turn to previous itemPlay next music; turn to next itemPlay/Pause music Short press to turn on/off DTS TruVolumeShort press to enter Surround Enhance Short press: power on / sleepLong press: power off Short press: Switch input sources HDMI-ARC/Optical/AUX/AUX VA/USB/Bluetooth Long press: Bluetooth Pairing Short press: select Bluetooth mode 6 5 Sound Bar LED Display Remote Control Sound bar Action Power off/SleepPower OnMute soundBluetooth PairingSourceDTS Virtual:X/TruVolume Voice EnhanceBass Boost / NightSurround EnhanceSound Mode LED Behavior on Sound bar Treble Adjustment Bass Adjustment Volume up/downSkip/Previous Input Source LED Indicator:HDMI ARC: Magenta Optical: YellowAux: GreenAux VA: OrangeUSB: CyanBluetooth: Blue Power Off: All LEDs light turn on and turn off from the sides to the center. Power On: LEDs will turn on from the center to the sides. Mute On: Center LED will flash several times. Mute Off: Current Volume Level will be shown.Blue LED will flash rapidlyVolume Up: LEDs will gradually turn on from the center to the sidesVolume Down: LEDs will gradually turn off from the sides to the centerSkip: LEDs move from the left to the rightPrevious: LEDs move from the right to the leftEnabled: LEDs will turn on from the center to the sides. Disabled: All LEDs light turn on and turn off from the sides to the center.Long Press: Enter Voice Announcment Volume adjustmentUse UP/DOWN keys to adjust three different levels: Mute/Default/HighShort Press: Preset the current Voice Enhance levelUse UP/DOWN keys to adjust four different levels. Long Press: Enable/Disable Night mode with voice broadcastShort Press: Show current Bass Boost levelUse UP/DOWN keys to adjust between four different levels.Short Press: Show current Surround Enhance levelUse UP/DOWN keys to adjust between four different levels.Long Press: Turn on or turn off AUX voice assistant. Short Press: Show current Treble level.Increase/Decrease using UP/DOWN keys to adjust thirteen different levels.Short Press: Show current Bass level.Increase/Decrease using UP/DOWN keys to adjust thirteen different levels.Press to switch sound mode in following order: Standard / Voice / Music / Movie / Game / Sports 7 < 9.8' 6a Place your Sound Barand Subwoofer The ideal place to position the Sound Bar is centered underneath your TV. Note: Do not place your sound bar in a location exposed to direct sunlight, heat, fire, or moisture. Required tools: Place the included wall mount template on the wall. Make sure the wall mount template is at least 2 inches below th…

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TCL Entertainment Solutions Limited * the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter DATE Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2ARUDS310WSW Per section 2.911(d)(7) of the FCC rules, TCL Entertainment Solutions Limited (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: TTE Technology, Inc. Physical U.S. Company Address: 189 Technology Dr Irvine, CA 92618 United States FCC Registration Number: 0032618449 Contact Person: Mr Jonathan King Agent Email Address: [email protected] The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed: Agent Signed (if different to Applicant): Printed name: Amber wang Printed name: [email protected] Title: engineer Title: V.P Cooperate and Legal Affairs Company Name: TCL Entertainment Solutions Limited Company Name: TTE Technology, Inc. Date: 3/3/2023 Date: 3/3/2023

TCL Entertainment Solutions Limited Covered Equipment Certification Attestation Letter DATE Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2ARUDS310WSW TCL Entertainment Solutions Limited (“the applicant”) certifies 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. Signed: Name: Amber wang Title: engineer Company: TCL Entertainment Solutions Limited Date: 3/7/2023

TCL Entertainment Solutions Limited Covered Equipment Certification Attestation Letter DATE Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2ARUDS310WSW TCL Entertainment Solutions Limited (“the applicant”) certifies 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Signed: Name: Amber wang Title: engineer Company: TCL Entertainment Solutions Limited Date: 3/7/2023

TCL Entertainment Solutions Limited DATE : 2023.3.7 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2ARUDS310WSW Product Name: Wireless subwoofer Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics  Block diagram  Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> Name: Amber wang Title: engineer Company: TCL Entertainment Solutions Limited

Date:2023.3.7 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC 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). Sincerely, <Signature> Name: Tony Tang Title: EMC Engineer Company: EST Technology Co., Ltd.

TCL Entertainment Solutions Limited DATE : 2023.3.7 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint EST Technology Co., Ltd. Address: Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with TCL Entertainment Solutions Limited Address: 7/F, building 22E, 22 science park east avenue Hong Kong science park, SHATIN, N.T. ,Hong Kong, China (Applicant Name and address) <Signature> Name: Amber wang Title: engineer Company: TCL Entertainment Solutions Limited

TCL Entertainment Solutions Limited I, the signer, In addition to the model name, PCB Layout, components and component layout, all electrical construction and mechanical construction. They are identical except model name. Product Name: Wireless Subwoofer Model Number：S643W-SW Additional Model: S310W-SW, S4310-SW, S643W*-SW (*can be any numerica number"0~9" or alphebtical number "A~Z") FCC ID：2ARUDS310WSW <Signature> Name: Amber wang Title: engineer Company: TCL Entertainment Solutions Limited

External Photos M/N: S643W-SW External Photos M/N: S643W-SW External Photos M/N: S643W-SW External Photos M/N: S643W-SW

S643W S643W S643W-SW S643W-SW

Internal Photos M/N: S643W-SW Internal Photos M/N: S643W-SW Internal Photos M/N: S643W-SW Internal Photos M/N: S643W-SW

FCC ID: 2ARUDS310W EST Technology Co. ,Ltd Report No. ESTE-R2303034 Page 1 of 4 FCC 47 CFR MPE REPORT TCL Entertainment Solutions Limited Wireless subwoofer Model Number: S643W-SW Additional Model: S310W-SW, S4310-SW, S643W*-SW (*can be any numerica number"0~9" or alphebtical number "A~Z") FCC ID: 2ARUDS310WSW Applicant: TCL Entertainment Solutions Limited Address: 7/F, building 22E, 22 science park east avenue Hong Kong science park, SHATIN, N.T. ,Hong Kong, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2303034 Date of Test: Feb. 20~Mar. 04, 2023 Date of Report: Mar. 06, 2023 FCC ID: 2ARUDS310W EST Technology Co. ,Ltd Report No. ESTE-R2303034 Page 2 of 4 Maximum Permissible Exposure 1. Applicable Standards 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 level 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. 1.1. Limits for Maximum Permissible Exposure (MPE) (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 Times ︱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 1500-10000 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-10000 1.o 30 Note: f=frequency in MHz; *Plane-wave equivalent power density FCC ID: 2ARUDS310W EST Technology Co. ,Ltd Report No. ESTE-R2303034 Page 3 of 4 1.2. MPE Calculation Method E (V/m) = d G × P × 30 Power Density: Pd (W/m 2 ) = 377 E 2 E = Electric Field (V/m) P = Peak RF output Power (W) G = EUT Antenna numeric gain (numeric) d = Separation distance between radiator and human body (m) The formula can be changed to Pd = 2 d × 377 G × P × 30 From the peak EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained FCC ID: 2ARUDS310W EST Technology Co. ,Ltd Report No. ESTE-R2303034 Page 4 of 4 2. Conducted Power Result Mode Frequency (MHz) Peak output power (dBm) Peak output power (mW) GFSK 2402 3.47 2.223 2441 3.33 2.153 2480 3.27 2.123 π/4 DQPSK 2402 3.93 2.472 2441 3.99 2.506 2480 3.98 2.500 8-DPSK 2402 3.94 2.477 2441 4.06 2.547 2480 4.08 2.559 BLE 1M 2402 3.15 2.065 2440 3.14 2.061 2480 3.12 2.051 BLE 2M 2402 3.35 2.163 2440 3.48 2.228 2480 3.49 2.234 3. Calculated Result and Limit Mode Peak output power (dBm) Target power (dBm) MAX Target power (dBm) Antenna gain Power Density (S) (mW /cm 2 ) Limited of Power Density (S) (mW /cm 2 ) Test Result (dBi) (Linear) GFSK 3.47 3±1 4 2.37 1.726 0.0009 1 Complies π/4 DQPSK 3.99 3±1 4 2.37 1.726 0.0009 1 Complies 8-DPSK 4.08 4±1 5 2.37 1.726 0.0011 1 Complies BLE 1M 3.15 3±1 4 2.37 1.726 0.0009 1 Complies BLE 2M 3.49 3±1 4 2.37 1.726 0.0009 1 Complies End of Test Report

FCC ID: 2ARUDS310WSW EST Technology Co., Ltd Report No.ESTE-R2303033 Page 1 of 68 FCC PART 15C TEST REPORT FOR CERTIFICATION On Behalf of TCL Entertainment Solutions Limited Wireless subwoofer Model Number: S643W-SW Additional Model: S310W-SW, S4310-SW, S643W*-SW (*can be any numerica number"0~9" or alphebtical number "A~Z") FCC ID: 2ARUDS310WSW Applicant : TCL Entertainment Solutions Limited Address: 7/F, building 22E, 22 science park east avenue Hong Kong science park, SHATIN, N.T. ,Hong Kong, China Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2303033 Date of Test: Feb. 20~Mar. 04, 2023 Date of Report: Mar. 06, 2023 FCC ID: 2ARUDS310WSW EST Technology Co., Ltd Report No.ESTE-R2303033 Page 2 of 68 TABLE OF CONTENTS Description Page TEST REPORT VERIFICATION......................................................................................................................... 3 1. GENERAL INFORMATION ................................................................................................................. 5 1.1. Description of Device (EUT) ........................................................................................................... 5 1.2. Antenna Information ........................................................................................................................ 5 1.3. Information of RF Cable .................................................................................................................. 5 2. SUMMARY OF TEST ......................................................................................................................... 6 2.1. Summary of test result ...................................................................................................................... 6 2.2. Test Facilities ................................................................................................................................... 7 2.3. Measurement uncertainty ................................................................................................................. 8 2.4. Assistant equipment used for test ..................................................................................................... 8 2.5. Block Diagram ................................................................................................................................. 8 2.6. Test Mode ......................................................................................................................................... 9 2.7. Power Setting of Test Software ........................................................................................................ 9 2.8. Duty Cycle ...................................................................................................................................... 10 2.9. Channel List ................................................................................................................................... 11 2.10. Test Equipment List ....................................................................................................................... 12 3. 6DB BANDWIDTH .......................................................................................................................... 14 3.1. Limit ............................................................................................................................................... 14 3.2. Test Setup ....................................................................................................................................... 14 3.3. Spectrum Analyzer Setting ............................................................................................................. 14 3.4. Test Procedure ................................................................................................................................ 14 3.5. Test Result ...................................................................................................................................... 14 4. MAXIMUM PEAK OUTPUT POWER ................................................................................................. 15 4.1. Limit ............................................................................................................................................... 15 4.2. Test Setup ....................................................................................................................................... 15 4.3. Spectrum Analyzer Setting ............................................................................................................. 15 4.4. Test Procedure ................................................................................................................................ 15 4.5. Test Result ...................................................................................................................................... 15 5. POWER SPECTRAL DENSITY .......................................................................................................... 16 5.1. Limit ............................................................................................................................................... 16 5.2. Test Setup ....................................................................................................................................... 16 5.3. Spectrum Analyzer Setting ............................................................................................................. 16 5.4. Test Procedure ................................................................................................................................ 16 5.5. Test Result ...................................................................................................................................... 16 6. CONDUCTED BAND EDGE ..............................................................…

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V0.1 2021-July-12 Addr: No.16, East ShaGang Road, GangKou Town, ZhongShan City, GuangDong,China 1 / 4 Tel : +86 (760) 89923666 Fax: +86 (760) 89923669 RSR AC6954 Antenna Specification Quick Reference Date Antenna on the system board Frequency Range 2400 ~ 2500MHz Ant. Port Input Pwr. (dBm) 2 (Typ. BT class2 output power) Efficiency (dB) -2.73 Efficiency (%) 53.37%(Avg) Gain (dBi) 2.12(Avg. Gain XZ-plane) Max Gain(dBi) 2.37 Input Impendence (ohm) 50 Polarization Type Vertical & Horizontal V.S.W.R < 1.7 All the technical data and information contained herein are subject to change without prior notice Antenna Layout on the system board Antenna Gain Gain Table Unit in dBi XY-plane YZ-plane XZ-plane Peak Peak Peak 2400MHz 1.17 -0.85 1.58 2440MHz 2.05 -1.59 2.09 2480MHz 1.61 -2.12 2.24 V0.1 2021-July-12 Addr: No.16, East ShaGang Road, GangKou Town, ZhongShan City, GuangDong,China 2 / 4 Tel : +86 (760) 89923666 Fax: +86 (760) 89923669 Return Loss V0.1 2021-July-12 Addr: No.16, East ShaGang Road, GangKou Town, ZhongShan City, GuangDong,China 3 / 4 Tel : +86 (760) 89923666 Fax: +86 (760) 89923669 The Environment of Antenna Radiation Pattern V0.1 2021-July-12 Addr: No.16, East ShaGang Road, GangKou Town, ZhongShan City, GuangDong,China 4 / 4 Tel : +86 (760) 89923666 Fax: +86 (760) 89923669

Conducted Test Radiated Test (Below 1GHz) Radiated Test (Above 1GHz)