2AAUI-EXSE18SoundExtreme SE18

20 What’s in the Box 8ft Power Cable Auxiliary Power Out Mating Connector (2x) ¼-20 Washer (L) (2x) ¼-20 Nut (2x) ¼-20 SHCS Bolt – 2 ̋ long (2x) ¼-20 Stud – 1.5 ̋ long (2x) ¼-20 SHCS Bolt – 1.25 ̋ long (2x) ¼-20 SHCS Bolt – 0.5 ̋ long (2x) ¼-20 Washer (S) (8x) #8-32 Button Head Bolts (2x) Mounts (2x) Rubber Feet (2x) ¼-20 SHCS Bolt – 3.5” long SoundExtreme SE18 SoundExtreme Remote Control SoundExtreme User Guide SoundExtreme SE18 Models: GDI-EXSE1800...20 POWERSPORTS AMPLIFIED SOUNDBAR User Guide Allen Wrench for ¼-20 (2x) Rubber Sleeves (4x) Worm Clamps - ½ ̋ Width 1 SoundExtreme SE18 Models: GDI-EXSE1800...20 POWERSPORTS AMPLIFIED SOUNDBAR User Guide 2 SoundExtreme SE18 Layout BACK FRONT RIGHT SIDELEFT SIDE Backlit WooferBacklit Woofer Control PanelBacklit Speakers Auxiliary Power Out SAE Connector (Black) 12V Power In SAE Connector (Red)Light Bar 19 3.) Properly clean the ECOXGEAR and ensure the gaskets have no sand, dirt, or water on them prior to storage. 4.) Store your unit with all caps properly sealed to avoid long term internal moisture damage inside your unit. 5.) Return the ECOXGEAR to Grace Digital if you suspect water ingress into the unit or if the unit has experienced a severe impact that may have affected the integrity of the unit to take on water. You should never 1.) Never power your ECOXGEAR if you suspect water has entered the device. Powering a device with water inside could be potentially hazardous and cause fire or a spark. 2.) Never use your ECOXGEAR if you have dropped it or thrown it against a hard surface which may have destroyed the integrity of the speaker, housing, or gaskets. In the event of a severe impact to your unit, please return the unit to Grace Digital to review for potential damage. 3.) Never open the auxiliary doors in a water environment. This could cause water to ingress into the unit which could potentially be hazardous and cause a fire or a spark. 4.) Never connect a device to the auxiliary input jacks when in a water environment. The auxiliary jacks should only be used in a dry environment. 5.) Never attempt to fix, repair your ECOXGEAR unit. Please send it back to Grace Digital for any assessments and repairs. CARE, MAINTENANCE & PRECAUTIONS: 1.) The unit is waterproof only when the caps and door are properly closed. 2.) Close the caps and door properly before use. If the unit is placed in a water environment without the caps or door properly closed, water may enter into the unit and void your warranty. 3.) Dry unit completely before opening the caps. Do NOT open the caps if wet or in a wet environment. 4.) Do NOT apply excessive force to any surfaces of the unit when wet or in a wet environment. 5.) Do NOT use or store the unit in places with high temperature. 6.) AVOID prolonged exposure to ultraviolet radiation (UV sunlight) and strong magnetic fields. 7.) Periodically check the rubber seal on the caps and door for premature wear. 8.) Periodically clean the rubber with a soft moist cloth and ensure no objects such as dirt, hair, sand are on the rubber seal ring. Do NOT use any oily solvent or chemicals for cleaning. 9.) Rinse off the unit with tap water after use in salt water. 10.) Power the unit by attaching the 12V Power In SAE Connector to the 30” Power Cable intended for use with the unit. The unit must be connected to a 12VDC power source. If the battery terminal voltage is not 12V, you will need a DC–DC converter with output 12V. Connecting the unit to a non-12VDC power source will lead to a malfunction or damage to the unit. LIMITED MANUFACTURER’S WARRANTY: SoundExtreme is covered by a 1-year limited warranty that covers defects in workmanship and / or materials for a period of 1 year from original purchase date. This warranty does not apply to any products which have been abused, neglected, modified or used for a purpose other than the one for which they were manufactured. Please refer to the above care and maintenance instructions for suggested care details. The warranty is valid only for the original owner who purchases the unit from an authorized dealer. Transfers do not qualify for warranty protection. Grace Digital reserves the right to replace any out-of-stock or discontinued product with a comparable product. Discontinued products may not be available for warranty replacement. Any contents are NOT covered by the limited manufacturer’s warranty. Warranty terms may be revised without notification at the discretion of the manufacturer. Please visit www.ecoxgear.com for additional product & warranty information. SoundExtreme SE18 by ECOXGEAR, a division of Grace Digital Inc., San Diego, California. Designed in California. Made in China. This product is protected under patent US 9,307,307 B2 and several patents pending. 18 FCC STATEMENT: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1.) This device may not cause harmful interference, and 2.) This device must accept any interference received, including interference that may cause undesired operation. WARNING: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: To maintain compliance with FCC's RF Exposure guidelines, this equipment should be installed and operated with minimum distance between 20cm the radiator to your body: Use only the supplied antenna. FCC ID: 2AAUI-EXSE18 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 equip…

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Grace Digital Inc. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: Grace Digital Inc. Address: 10531 4S Commons Drive #166 Suite #430,San Diego, CA 92127 Product Name: SoundExtreme SE18 FCC ID: 2AAUI-EXSE18 Model(s): GDI-EXSE1801 2.911(d)(5)(i) EquipmentType We, [Grace Digital Inc.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not: Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Jamie Florczak Date: 8/24/2023 Title and Company name: EVP, Operations / Grace Digital Inc. NOTE 1 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist Refere nces; 1) 986 446 D01 Covered Equi pment v01 https://apps.fcc.gov/oetcf/kdb/forms/FT SSearchResultPage.cfm?switch=P&id=325672 2) F ederal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Grace Digital Inc. 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Grace Digital Inc. Address: 10531 4S Commons Drive #166 Suite #430,San Diego, CA 92127 Product Name: SoundExtreme SE18 FCC ID: 2AAUI-EXSE18 Model(s): GDI-EXSE1801 2.911(d)(5)(ii) Applicant filing We, [Grace Digital Inc.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name: Jamie Florczak Date: 8/24/2023 Title and Company name: EVP, Operations / Grace Digital Inc. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist Refere nces; 1) 986 446 D01 Covered Equi pment v01 https://apps.fcc.gov/oetcf/kdb/forms/FT SSearchResultPage.cfm?switch=P&id=325672 2) F ederal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Grace Digital Inc. Date:8/24/2023 FCC ID: 2AAUI-EXSE18 Model Number: GDI-EXSE1801 To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Grace Digital Inc. declare that this EUT (FCC ID: 2AAUI-EXSE18) will conduct FCC compliance testing, the SDOC part recognized test lab(Shenzhen NTEK Testing Technology Co., Ltd.( ShenZhen Lab.). 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang Street Bao’an District, Shenzhen 518126 P.R. China) Please contact me if you have any question. Sincerely, (Signed) Name / Title: Jamie Florczak/ EVP, Operations Company: Grace Digital Inc. Address: 10531 4S Commons Drive #166 Suite #430,San Diego, CA 92127

Grace Digital Inc. U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: 8/24/2023 Ref: Attestation Statement – Part2.911(d)(7) filing FCC ID: 2AAUI-EXSE18 Grace Digital Inc. (“the applicant”) certifies that, as of the date of the filing of the application, Grace Digital Inc. (“the agent”) is our designated U.S. agent for service of process for the abovereference FCC ID. The applicant accepts to maintain an agent for service of process in the United States forno less than one year after either the grantee has permanently terminated all marketing and importation of theapplicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicialproceeding involving the equipment, whichever is later. The applicant further acknowledges it is ourresponsibility to inform the FCC whenever the agent information changes. Grace Digital Inc. ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Signature: Company Name: Grace Digital Inc. FRN: 0022769137 GC: 2AAUI Address: 10531 4S Commons Drive #166 Suite #430,San Diego, CA 92127 Contact Person: Jamie Florczak Tel: 858 2089530 Email: [email protected] Applicant Signature: Company Name: Grace Digital Inc. Address: 10531 4S Commons Drive #166 Suite #430,San Diego, CA 92127 Contact Person: Jamie Florczak GC: 2AAUI Tel: 858 2089530 Email: [email protected]

Grace Digital Inc. Agent Authorization Company: Grace Digital Inc. Address: 10531 4S Commons Drive#166 Suite#430, San Diego, CA 92127, USA Product Name: SoundExtreme SE18 Model Number(s): GDI-EXSE1801 Product Description: SoundExtreme SE18 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 8/25/2023 Name: Jamie Florczak Title: EVP, Operations Company: Grace Digital Inc.

Grace Digital Inc. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 28/24/2023 Subject; Request for Confidentiality FCC ID: 2AAUI-EXSE18 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description SOFTWARE SECURITY REQUIREMENTS FOR U-NII DEVICES In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely,Signature: Name: Jamie Florczak Title: EVP, Operations Email: [email protected]

ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7

ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 BT ANT Photo 7 Photo 8 Photo 9 Photo 10 Photo 11 Photo 12

FCC ID: 2AAUI-EXSE18 RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method E (V/m) ＝ d GP**30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Average 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 *377 **30 D GP From the 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. Measurement Result Operation Frequency: BT: 2402-2480MHz Power density limited: 1mW/ cm 2 Antenna Type: PCB Antenna Antenna gain: 0 dBi, R=20cm conducted power Evaluation result Power density Limits (dBm)(mW)(dBi)Numeric 2402 2.45 2±13 1.9950.001.000.00041 2441 2.65 2±13 1.9950.001.000.00041 2480 4.02 4±15 3.1620.001.000.00061 2402 4.93 5.5±16.5 4.4670.001.000.00091 2441 5.17 5.5±16.5 4.4670.001.000.00091 2480 6.33 5.5±16.5 4.4670.001.000.00091 2402 5.66 6±17 5.0120.001.000.00101 2441 5.86 6±17 5.0120.001.000.00101 2480 6.99 6±17 5.0120.001.000.00101 2402 1.94 2±13 1.9950.001.000.00041 2440 2.35 2±13 1.9950.001.000.00041 2480 3.59 3±14 2.5120.001.000.00051 2402 2.07 3±14 2.5120.001.000.00051 2440 2.3 3±14 2.5120.001.000.00051 2480 3.63 3±14 2.5120.001.000.00051 BLE-2M BLE-1M (mW/cm2 )(mW/cm2) Antenna Gain GFSK Max tune-up power 8-DPSK Channel Freq. (MHz) modulation Tune-up power (dBm) (dBm) π/4-DQPSK Conclusion: For the max result : 0.001≤ 1.0 for Max Power Density, compliance RF exposure.. Signature: Date: 9/7/2023 NAME AND TITLE (Please print or type): Alex Li/Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang Street Bao’an District, Shenzhen 518126 P.R. China

Report No.: S23060201610002 Version.1.3 Page 1 of 74 RADIO TEST REPORT FCC ID: 2AAUI-EXSE18 Product: SoundExtreme SE18 Trade Mark: ECOXGEAR Model No.: GDI-EXSE1801 Family Model: N/A Report No.: S23060201610002 Issue Date: Jul 21. 2023 Prepared for Grace Digital Inc. 10531 4S Commons Drive #166 Suite #430,San Diego, CA 92127 Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1&5/F, Building C, 1&2/F, Building E, Fenda Science Park, Sanwei Community, Hangcheng Street, Baoan District, Shenzhen ,Guangdong, China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Report No.: S23060201610002 Version.1.3 Page 2 of 74 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION .......................................................................................................................... 4 2 SUMMARY OF TEST RESULTS ........................................................................................................................... 5 3 FACILITIES AND ACCREDITATIONS ................................................................................................................. 6 3.1 FACILITIES..................................................................................................................................................... 6 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 6 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 6 4 GENERAL DESCRIPTION OF EUT ...................................................................................................................... 7 5 DESCRIPTION OF TEST MODES ......................................................................................................................... 9 6 SETUP OF EQUIPMENT UNDER TEST ............................................................................................................. 10 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ..................................................................... 10 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 11 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 12 7 TEST REQUIREMENTS ....................................................................................................................................... 13 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 13 7.1.1 Applicable Standard ................................................................................................................................... 13 7.1.2 Conformance Limit .................................................................................................................................... 13 7.1.3 Measuring Instruments............................................................................................................................... 13 7.1.4 Test Configuration ..................................................................................................................................... 13 7.1.5 Test Procedure ............................................................................................................................................ 13 7.1.6 Test Results ................................................................................................................................................ 14 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 15 7.2.1 Applicable Standard ................................................................................................................................... 15 7.2.2 Conformance Limit .................................................................................................................................... 15 7.2.3 Measuring Instruments............................................................................................................................... 16 7.2.4 Test Configuration ..................................................................................................................................... 16 7.2.5 Test Procedure ............................................................................................................................................ 17 7.2.6 Test Results ................................................................................................................................................ 18 7.3 6DB BANDWIDTH ....................................................................................................................................... 24 7.3.1 Applicable Standard ................................................................................................................................... 24 7.3.2 Conformance Limit .................................................................................................................................... 24 7.3.3 Measuring Instruments............................................................................................................................... 24 7.3.4 Test Setup ................................................................................................................................................... 24 7.3.5 Test Procedure ............................................................................................................................................ 24 7.3.6 Test Results ................................................................................................................................................ 24 7.4 DUTY CYCLE .........................................…

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蓝牙音箱 Parameter Testing Report Project:WIFI Antenna Product Description 2400-2500MHz Report Date: 2022.02.24 Report Version: 1.0 Prepared by: Patrick Approved by: Jammy 2 Contents: 1. Testing Item & Equipment 2. S-Parameters Test Results 3. GAIN & Efficiency TEST 3 1. Testing Item & Equipment 4 2.VSWR TEST GAIN& Efficiency TEST 参数 \ 频率 (mhz) 2400 2450 2500 Peak Gain(dBi) -0.43-0.210 Efficiency(%) 52.1450.9853.78 Response (dB) -14 0 -12 -10 -8 -6 -4 -2 2500MHz

Radiated Measurement Photos