2APP6AG-30ELECTRIC GUITAR AMP

Aroma Music Co., Ltd. Covered Equipment Certification Attestation Letter 1/9/2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2APP6AG-30 Aroma Music Co., Ltd.(“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. Aroma Music Co., Ltd.(“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: Printed name: hua Yi Title: Engineering Manager Company Name: Aroma Music Co., Ltd. Date: 3/11/2024

Aroma Music Co., Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: [email protected] This letter is to confirm that we (“Baihetian Innovative Solutions) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: Mar 26, 2024 Signed by (Printed Name/Title): Kenneth Young/Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Aroma Music Co., Ltd. Grantee Code: 2APP6 FRN: 0027496876 FCC ID: 2APP6AG-30 Contact Name: hua Yi Street Address: 203, No. 93 Qianjin 2nd Road, Area 81, Hexi Neighbourhood, Xixiang Town, Baoan District City/Province/Zip: Shenzhen City, Guangdong, 518000 China Telephone No: +86-0755-27331944 Email: [email protected] Applicant Signature: Date:2024-03-26 Signed by (Printed Name/Title): hua Yi/ Engineering Manager Mar 2024

Aroma Music Co., Ltd. 203, No. 93 Qianjin 2nd Road, Area 81, Hexi Neighbourhood, Xixiang Town, Baoan District, Shenzhen City, Guangdong, 518000 China Statement Product: ELECTRIC GUITAR AMP Model: AG-30 Additional Model: Kubo 30, Kubo BT 30, Kubo 30 BT, Kubo Bass 30, Kubo Bass BT 30, Kubo Bass 30, BTSG-30, PG-30, RG-30, BG-30, MG-30, DG-30, LG-30, WG-30, ZG-30, NJ-30, AG-30B, BG-30B, CG-30B, DG-30B, EG-30B, FG-30B, GG-30B, HG-30B, IG-30B, JG-30B, KG-30B, LG-3 0 G, M G-30B, NG-30B Trademark : N/A We hereby state that AG-30 is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names. So the test data of AG-30 can represent the remaining models. Your assistance on this matter is highly appreciated. Yours sincerely, Signature: Date: 2024/03/11 Name: hua Yi Company Name: Aroma Music Co., Ltd. Address: 203, No. 93 Qianjin 2nd Road, Area 81, Hexi Neighbourhood, Xixiang Town, Baoan District, Shenzhen City, Guangdong, 518000 China Tel / Fax: +86-0755-27331944/+86-0755-29770452 E-Mail: [email protected]

Aroma Music Co., Ltd. 2024-03-11 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2APP6AG-30 Product Name: ELECTRIC GUITAR AMP 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: • 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: hua Yi Title: Engineering Manager Company: Aroma Music Co., Ltd.

Aroma Music Co., Ltd. 2024-03-11 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act asAgent On our behalf, I appoint SHENZHEN TONGCE TESTING LAB / 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China (Name of Agent company name andaddress) 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. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,Iack nowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,stillres ideswith Aroma Music Co., Ltd. / 203, No. 93 Qianjin 2nd Road, Area 81, Hexi Neighbourhood, Xixiang Town, Baoan District, Shenzhen City, Guangdong, 518000 China (Applicant Nameandaddress) <Signature> Name: hua Yi Title: Engineering Manager Applicant Company: Aroma Music Co., Ltd.

Page 1 of 4 Appendix C: Photographs of EUT Product: ELECTRIC GUITAR AMP Model: AG-30 External Photos Page 2 of 4 Page 3 of 4 Page 4 of 4

Label Artwork and Location Model: AG-30 Label: Size: L*W=138*332mm Location

Page 1 of 4 Appendix C: Photographs of EUT Product: ELECTRIC GUITAR AMP Model: AG-30 Internal Photos Antenna Page 2 of 4 Page 3 of 4 Page 4 of 4

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2APP6AG-30 Test Report No. ............... : TCT231116E012 Date of issue ................... : Mar. 07, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Aroma Music Co., Ltd. Address ........................... : 203, No. 93 Qianjin 2nd Road, Area 81, Hexi Neighbourhood, Xixiang Town, Baoan District, Shenzhen City, Guangdong, 518000 China Manufacturer's name ... : Aroma Technology Co., Limited Address ........................... : Building A, Aroma Park, Guwu Village, Danshui Town, Huiyang District, Huizhou, Guangdong 516200 China Standard(s) ..................... : FCC CFR Title 47 Part 1.1307 Test item description ..... : ELECTRIC GUITAR AMP Trade Mark ...................... : N/A Model/Type reference..... : AG-30, Kubo 30, Kubo BT 30, Kubo 30 BT, Kubo Bass 30, Kubo Bass BT 30, Kubo Bass 30, BTSG-30, PG-30, RG-30, BG-30, MG-30, DG-30, LG-30, WG-30, ZG-30, NJ-30, AG-30B, BG-30B, CG-30B, DG-30B, EG-30B, FG-30B, GG-30B, HG-30B, IG-30B, JG-30B, KG-30B, LG-30G, MG-30B, NG-30B Rating(s).......................... : AC 120V/60Hz Date of receipt of test item ......................................... : Nov. 16, 2023 Date (s) of performance of test ................................... : Nov. 16, 2023 ~ Mar. 07, 2024 Tested by (+signature) ... : Yannie ZHONG Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT231116E012 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT231116E012 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Test item description ........... : ELECTRIC GUITAR AMP Model/Type reference........... : AG-30 Sample Number....................: TCT231116E011-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK, π/4-DQPSK Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : -0.58dBi Rating(s)................................ : AC 120V/60Hz Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 AG-30 Other models Kubo 30, Kubo BT 30, Kubo 30 BT, Kubo Bass 30, Kubo Bass BT 30, Kubo Bass 30, BTSG-30, PG-30, RG-30, BG-30, MG-30, DG-30, LG-30, WG-30, ZG-30, NJ-30, AG-30B, BG-30B, CG-30B, DG-30B, EG-30B, FG-30B, GG-30B, HG-30B, IG-30B, JG-30B, KG-30B, LG-30G, MG-30B, NG-30B Note: AG-30 is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names. So the test data of AG-30 can represent the remaining models. Report No.: TCT231116E012 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage AC 120V/60Hz Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT231116E012 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-…

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InvertedF AntennaSpecification Summary ITEMANT SPEC Model Name 2.4G ANT Center Frequency HorizontalVertical 2400MHz24 50MHz2500MHz2400MHz24 50MHz2500MHz -1.26dBi-0.76dBi-0.58dBi-5.25dBi-2.46dBi-1.86dBi MAX. Gain-0.58dBi Polarization Horizontaland Vertical AzimuthBeam Pattern Omni-directional Impedance50 Ohm AntennaLength 38.20mm Manufacture ZHUHAIJIELI TECHNOLOGYCO.,LTD AntennaPhoto & Length(mm ) Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dB) Max MinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dB) Max MinAvg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432 ANTTestLabs：AttestationofGlobalComplianceCo.,Ltd.

Page 1 of 2 Appendix B: Photographs of Test Setup Product: ELECTRIC GUITAR AMP Model: AG-30 Radiated Emission Page 2 of 2 Conducted Emission