2AGJ417U5KPowered Subwoofer

Rev 1/26/2023 (Specialty Technologies, LLC) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 06-13-2024 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID or Grantee Code: [2AGJ417U5K] [Specialty Technologies, LLC] (“the applicant”) certifies that, as of the date of the filing of the application, we designate ourselves as the U.S. agent for service of process. Designated U.S. Agent Information: FRN: 0025049677 Name: Specialty Technologies, LLC Address: 340 Victoria Rd Youngstown Ohio 44515, USA Contact Person: Gary Rosenfeld Tel.: (240) 876-1635 Email: [email protected] Sincerely, [Specialty Technologies, LLC] [Gary Rosenfeld] [signature]

Rev 1/26/2023 (Specialty Technologies, LLC) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 06-13-2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2AGJ417U5K [Specialty Technologies, LLC] (“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. Sincerely, (Gary Rosenfeld) Rev 1/26/2023 (Specialty Technologies, LLC) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 06-13-2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2AGJ417U5K [Specialty Technologies, LLC] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, (Gary Rosenfeld)

Specialty Technologies, LLC Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 2024-06-13 SUBJECT: FCC ID: 2AGJ417U5K To Whom It May Concern: I, the undersigned, hereby states 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, and will apply the Supplier's Declaration of Conformity procedure to the class B computer peripheral portion of this composite device. I understand the following FCC requirements: 1. Devices subject to the SDoC procedure are required to be tested to show compliance with the FCC technical regulations by a recognized accredited testing laboratory. The testing laboratory must be accredited by a Commission approved accreditation body or designated under the terms of a government-to-government Mutual Recognition Agreement (MRA). A listing of those accredited testing laboratories that have been recognized by the Commission is published on the FCC Webpage: https://apps.fcc.gov/oetcf/eas/reports/TestFirmSearch.cfm (Select the "accredited" option to search for FCC recognized accredited test firms.) 2. Pt 2.1077 contains the list of information that must be included in the Supplier's Declaration of Conformity, which must be supplied with each product sold. The SDoC compliance info shall be included in the User’s Manual or as a separate sheet. The info must contain the name, address, and phone number of the responsible party, which must be located within the United States. According to 2.909(b), the responsible party is either the Manufacturer or if the product is imported the Importer. Regards, Specialty Technologies, LLC ------------------------------- （Gary Rosenfeld）

(Specialty Technologies, LLC) Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AGJ417U5K 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 (Block Diagram, Schematics, Operational Description) (Block Diagram, Schematics, Operational Description) 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. Short-term confidentiality period: 180 days Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name (External Photos, Test Setup Photos, Manual, Internal Photos) (External Photos, Test Setup Photos, Manual, Internal Photos,) Sincerely, (printed name) Gary Rosenfeld

Family model description Letter Page 1 of 1 (Specialty Technologies, LLC) (Current Date) 2024-06-13 FCC ID：2AGJ417U5K Product name Powered Subwoofer Brand name SVS Test Model name SB17-Ultra Evolution, PB17-Ultra Evolution, SB-5000 Evolution, PB-5000 Evolution Deviation of models All models are identical with each other except for model name, software, appearance, size of loud speaker and size of the main unit. Signature: Name: Gary Rosenfeld Title: Chief Financial Officer Company Name : Specialty Technologies, LLC Company Address: 340 Victoria Rd Youngstown Ohio 44515, United States

(Specialty Technologies, LLC) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 2024-06-13 SUBJECT: FCC Application for FCC ID: 2AGJ417U5K To Whom It May Concern: We, the undersigned, hereby authorize _Dragon Long at Hwa-Hsing (Dongguan) Testing Co., Ltd._ on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by _ Dragon Long at Hwa-Hsing (Dongguan) Testing Co., Ltd. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, 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. Regards, Gary Rosenfeld (Must be signed by the person that is listed on the FCC Website)

SN: SB17UMMYY1001 FCC ID: 2AGJ417U5K IC: 20885-17U5K SN: PB17UMMYY1001 FCC ID: 2AGJ417U5K IC: 20885-17U5K SN: SB5KMMYY1001 FCC ID: 2AGJ417U5K IC: 20885-17U5K SN: PB5KMMYY1001 FCC ID: 2AGJ417U5K IC: 20885-17U5K

Lab: Hwa-Hsing (Dongguan) Testing Co., Ltd. Address: No.101, Building N1, Yuyuan 2 Road, Yuyuan Industrial Park, HuangJiang Town, Dongguan City, People’s Republic of China Tel: 0769-83078199 Web.: www.hwa-hsing.com E-Mail: [email protected] Release Ver. 1.5 Page 1 of 7 Test Report No.: 23121406-SE-US-01 RF Exposure Report FCC ID: 2AGJ417U5K Applicant: Specialty Technologies, LLC Address: 340 Victoria Rd Youngstown Ohio 44515, USA Manufacturer: Specialty Technologies, LLC Address: 340 Victoria Rd Youngstown Ohio 44515, USA Product: Powered Subwoofer Brand(s): SVS Test Model(s): SB17-Ultra Evolution, PB17-Ultra Evolution, SB-5000 Evolution, PB-5000 Evolution Series Model(s): N/A Test Date: Mar. 12, 2024~ Jun. 02, 2024 Issued Date: Jul. 09, 2024 Issued By: Hwa-Hsing (Dongguan) Testing Co., Ltd. Address: No.101, Building N1, Yuyuan 2 Road, Yuyuan Industrial Park, HuangJiang Town, Dongguan City, People’s Republic of China Test Firm Registration No.: 915896 Designation No.: CN1255 Standards: FCC Part 2 (Section 2.1091) KDB 447498 D01 IEEE C95.1 The above equipment has been tested by Hwa-Hsing (Dongguan) Testing Co., Ltd., and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s EMC characteristics under the conditions specified in this report. Prepared by : Reviewed by : Nature Lee Dragon Long Approved by : Scott He “This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. Our report includes all the tests requested by you and the results thereof based upon the information that you provided to us. The report would be invalid without specific stamp of test institute and the signatures of tester and approver.” Lab: Hwa-Hsing (Dongguan) Testing Co., Ltd. Address: No.101, Building N1, Yuyuan 2 Road, Yuyuan Industrial Park, HuangJiang Town, Dongguan City, People’s Republic of China Tel: 0769-83078199 Web.: www.hwa-hsing.com E-Mail: [email protected] Release Ver. 1.5 Page 2 of 7 Test Report No.: 23121406-SE-US-01 Table of contents Release control record ............................................................................................... 3 1 General Information ......................................................................................... 4 1.1 General Description of EUT ............................................................................. 4 2 RF exposure limit ............................................................................................. 5 2.1 MPE calculation formula .................................................................................. 5 3 Calculation result of maximum conducted power ............................................. 6 Appendix – Information on the Testing Laboratories .................................................... 7 Lab: Hwa-Hsing (Dongguan) Testing Co., Ltd. Address: No.101, Building N1, Yuyuan 2 Road, Yuyuan Industrial Park, HuangJiang Town, Dongguan City, People’s Republic of China Tel: 0769-83078199 Web.: www.hwa-hsing.com E-Mail: [email protected] Release Ver. 1.5 Page 3 of 7 Test Report No.: 23121406-SE-US-01 Release control record Issue No. Reason for change Date issued 23121406-SE-US-01 Original Release Jul. 09, 2024 Lab: Hwa-Hsing (Dongguan) Testing Co., Ltd. Address: No.101, Building N1, Yuyuan 2 Road, Yuyuan Industrial Park, HuangJiang Town, Dongguan City, People’s Republic of China Tel: 0769-83078199 Web.: www.hwa-hsing.com E-Mail: [email protected] Release Ver. 1.5 Page 4 of 7 Test Report No.: 23121406-SE-US-01 1 General Information 1.1 General Description of EUT Product Powered Subwoofer Sample No. HS2403120017, HS2403120018, HS2403120019, HS2403120020 Test Model(s) SB17-Ultra Evolution, PB17-Ultra Evolution, SB-5000 Evolution, PB-5000 Evolution Series Model(s) N/A Status of EUT Engineering Prototype Power Supply Rating AC 100-240V 50/60Hz 15A Modulation Type GFSK for DTS Transfer Rate 1 Mbps, 2Mbps Operating Frequency 2402 ~ 2480MHz Number of Channel 40 Maximum Output Power 6.06dBm (Average) Antenna Type Wire Antenna Antenna Gain 2.85dBi Gain Antenna Connector N/A Accessory Device N/A Data Cable Supplied AC Cable: 180cm Non-shielded, Detachable Note: 1. Please refer to the EUT photo document (Reference No.: 23121406-01&02) for detailed product photo. 2. The above EUT information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications or User's Manual. 3. Model difference: All models are identical with each other except for model name, software, appearance, size of loud speaker and size of the main unit. Lab: Hwa-Hsing (Dongguan) Testing Co., Ltd. Address: No.101, Building N1, Yuyuan 2 Road, Yuyuan Industrial Park, HuangJiang Town, Dongguan City, People’s Republic of China Tel: 0769-83078199 Web.: www.hwa-hsing.com E-Mail: [email protected] Release Ver. 1.5 Page 5 of 7 Test Report No.: 23121406-SE-US-01 2 RF exposure limit Limits for maximum permissible exposure (MPE) Limits for general population / uncontrolled exposure Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Average time (minutes) 300-1500 ... ... F/1500 30 1500-100,000 ... ... 1.0 30 Note: F = Frequency in MHz 2.1 MPE calculation formula Pd = (Pout*G) / (4*pi*r 2 ) Where: Pd = power density in mW/cm 2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Classification: The antenna of this product, under normal use condition, is at least 20cm a…

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UNLESS OTHER SPECIFIED TOLERANCES ON： 佳邦科技股份有限公司 INPAQ TECHNOLOGY CO., LTD. X＝± X.X＝± X.XX＝± ANGLES＝± HOLEDIA＝± SCALE： UNIT：mm THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF INPAQ TECHNOLOGY CO.,LTD.AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY：骆拓夫 CHECKED BY：曹云中 DESIGNED BY：董明辰 APPROVED BY：赵付辉 TITLE：WA-M-LA-03-045 Specification DOCUMENT ENS000195190 PAGE REV. NO. A0 PAGE 1 OF 5 WA-M-LA-03-045 Specification 1. Explanation of part number: WA _ M _ LA _ 03 _ 045 (1) (2) (3) (4) (5) (1) Product Type: Wire Antenna (2) Material: Metal + Cable (3) Frequency:2400-2500MHz (4) Coaxial Cable Type:03 (5) Gain（Peak）:2.85dBi (6) Suffix :045 2. Storage Condition: Temperature -40 to +70°C Humidity 65±20 % RH 3. Operating Condition: Temperature -40 to +70°C Humidity 65±20 % RH 4. Electrical Specification: Those specifications were specially defined for 迪芬尼SVS PB-17 model, and all characteristics were measured under the model’s handset testing. 4-1. Frequency Band: Frequency Band MHz BT 2400-2500MHz UNLESS OTHER SPECIFIED TOLERANCES ON： 佳邦科技股份有限公司 INPAQ TECHNOLOGY CO., LTD. X＝± X.X＝± X.XX＝± ANGLES＝± HOLEDIA＝± SCALE： UNIT：mm THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF INPAQ TECHNOLOGY CO.,LTD.AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY：骆拓夫 CHECKED BY：曹云中 DESIGNED BY：董明辰 APPROVED BY：赵付辉 TITLE：WA-M-LA-03-045 Specification DOCUMENT ENS000195190 PAGE REV. NO. A0 PAGE 2 OF 5 4-2. Impedance 50 ohm nominal 4-3. Matching circuit None 4-4. VSWR 4-4.1 Measuring Method 1.A 50Ωcoaxial cable is connected to the antenna. Then this cable is connected to a network analyzer to measure the VSWR 2. Keeping this jig away from metal at least 20cm 4-4.2 Measurement frequency points and VSWR value Frequency (Unit MHz) 2400 2450 2500 VSWR 1.37 1.25 1.69 . UNLESS OTHER SPECIFIED TOLERANCES ON： 佳邦科技股份有限公司 INPAQ TECHNOLOGY CO., LTD. X＝± X.X＝± X.XX＝± ANGLES＝± HOLEDIA＝± SCALE： UNIT：mm THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF INPAQ TECHNOLOGY CO.,LTD.AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY：骆拓夫 CHECKED BY：曹云中 DESIGNED BY：董明辰 APPROVED BY：赵付辉 TITLE：WA-M-LA-03-045 Specification DOCUMENT ENS000195190 PAGE REV. NO. A0 PAGE 3 OF 5 4-5. Efficiency and Gain 4-5.1 Measure method 1. Using a low loss coaxial cable to link a standard handset 2. Fixed this handset jig on chamber’s rotator plane 3. Linking jig into network analyzer port and using a probing horn antenna to collect data. 4. Using another standard gain horn antenna to calibrated those data 4-5.2 Chamber definition 1. An anechoic chamber (7mx4mx3m) which satisfied far-field condition was applied to avoid multi-path effect 2. The quite room region is 40cmx40cmx40cm at the center of rotator 3. The distance between DUT and standard antenna is 4.38 m 4. Probing antenna (9120D horn antenna) and standard gain horn antenna (BBHA9120 LPF 700MHz ~6GHz) 4.38 m Rotatory controller Vector Network Aanlyzer Port 2Port 1 DUT Far-Field Chamber Std. Ant. UNLESS OTHER SPECIFIED TOLERANCES ON： 佳邦科技股份有限公司 INPAQ TECHNOLOGY CO., LTD. X＝± X.X＝± X.XX＝± ANGLES＝± HOLEDIA＝± SCALE： UNIT：mm THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF INPAQ TECHNOLOGY CO.,LTD.AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY：骆拓夫 CHECKED BY：曹云中 DESIGNED BY：董明辰 APPROVED BY：赵付辉 TITLE：WA-M-LA-03-045 Specification DOCUMENT ENS000195190 PAGE REV. NO. A0 PAGE 4 OF 5 4-5.3 Efficiency and Gain Antenna gain is marked (dBi) and is based on STANDARD HORN antenna. The data shows Peak Gain and Average Gain.  BT 5. Mechanical Specification: 5-1. Mechanical Configuration (Unit: mm) The appearance of the antenna is according to drawing Figure 5-1-1 *10.00±0.15 1.13 Gray *30.00±0.15 CM 1代 泡棉（对贴） 5±2 泡棉（对贴） 10.00±2.0 #*150.00±2.0 硅胶塞 80.00±5.0 离型纸手撕位 导电背胶 *10.50±0.1*6.50±0.1 *4.00±0.1 *3.50±0.1 2 - * 3 . 5 0 ± 0 . 1 * 2 . 3 0 ± 0 . 1 61.00±2.0 54.00±2.0 端子朝上 *9.75±0.20不含离型纸 背胶组装示意图 6. Physical illustration Frequency (MHz) 2400 2450 2470 2500 Efficiency (%) 54.98 61.02 59.12 52.94 Peak Gain (dBi) 2.44 2.67 2.85 2.35 UNLESS OTHER SPECIFIED TOLERANCES ON： 佳邦科技股份有限公司 INPAQ TECHNOLOGY CO., LTD. X＝± X.X＝± X.XX＝± ANGLES＝± HOLEDIA＝± SCALE： UNIT：mm THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF INPAQ TECHNOLOGY CO.,LTD.AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY：骆拓夫 CHECKED BY：曹云中 DESIGNED BY：董明辰 APPROVED BY：赵付辉 TITLE：WA-M-LA-03-045 Specification DOCUMENT ENS000195190 PAGE REV. NO. A0 PAGE 5 OF 5