1. FCC ID
  2. AK8
  3. AK8YY2104C2

FCC ID AK8YY2104C2

Subwoofer

by Sony Group Corporation

Grantee Code: AK8   Product Code: YY2104C2
Latest application date: 2025-11-20

FCC ID Device Details

FCC IDAK8YY2104C2
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeAK8
Product CodeYY2104C2
Applicant BusinessSony Group Corporation 🇯🇵
Related Domains sony.com audix.com.cn
Equipment ClassSubwoofer
Test FirmAudix Technology Corporation

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2403-2479 MHzOriginal Equipment2025-11-20

Exhibits

DocumentTypeAvailableFile
TempConfidential_2-5_Instruction_Manual_YY2104C2 YY2104CUsers Manual2026-03-26PDF 553.1 KB
TempConfidential_2-5_Instruction_Manual_YY2104C2 YY2105CUsers Manual2026-03-26PDF 527.1 KB
TempConfidential_2-5_Instruction_Manual_YY2104C2 YY2106CUsers Manual2026-03-26PDF 527.2 KB
TempConfidential_2-2_Int_Photo_YY2104C2 Metadata onlyInternal Photos2026-03-26PDF 1.3 MB
TempConfidential_2-2_Int_Photo_YY2104C2 rev1Internal Photos2026-03-26PDF 1.3 MB
TempConfidential_2-2_Int_Photo_YY2105C2 rev1Internal Photos2026-03-26PDF 1.6 MB
TempConfidential_2-2_Int_Photo_YY2106C2 rev1Internal Photos2026-03-26PDF 1.5 MB
2-1_Ext_Photo_YY2104C2 rev1 Metadata onlyExternal Photos2026-03-26PDF 1.2 MB
TempConfidential_2-1_Ext_Photo_YY2104C2 rev2External Photos2026-03-26PDF 895.6 KB
TempConfidential_2-1_Ext_Photo_YY2105C2 rev1External Photos2026-03-26PDF 829.9 KB
TempConfidential_2-1_Ext_Photo_YY2106C2 rev1External Photos2026-03-26PDF 928.9 KB
1-1_FCC_ID_YY2104C2ID Label/Location Info2025-11-20PDF 184.8 KB
TempConfidential_2-3_Test_Setup_Photo_YY2104C2-FCC, IC-Wireless 2.4G-Appendix BTest Setup Photos2026-03-26PDF 654.5 KB
1-2_RF_Test_report_YY2104C2-FCC ID,IC-Wireless 2.4G rev1Test Report2025-11-20PDF 1 MB
1-2_RF_Test_report_YY2104C2-FCC ID,IC-Wireless 2.4G rev1-Appendix ATest Report2025-11-20PDF 2.6 MB
1-4_Antenna_Spec_YY2104C2_Wireless 2.4G rev1_part1Test Report2025-11-20PDF 5.4 MB
1-4_Antenna_Spec_YY2104C2_Wireless 2.4G rev1_part2Test Report2025-11-20PDF 599.3 KB
2-FCC Agent for service Attestation from Applicant_AK8_KendallAttestation Statements2025-11-20PDF 97.6 KB
3-FCC Agent for service Attestation from Applicant_AK8_KendallAttestation Statements2025-11-20PDF 109.4 KB
YY2104C1 YY2104C2 ACB-FORM-FCC-Application-Letters-Covered-List-AttestationAttestation Statements2025-11-20PDF 192.7 KB
FCC Power of Attorney_SugitaCover Letter(s)2025-11-20PDF 110.9 KB
FCC_Authorization Letter_SugitaCover Letter(s)2025-11-20PDF 35.5 KB
YY2104C1 YY2104C2 ACB-FORM-FCC-Application-Letters-Agency-LetterCover Letter(s)2025-11-20PDF 152.2 KB
YY2104C2 Model Different LeterCover Letter(s)2025-11-20PDF 123.8 KB
YY2104C2_ACB-FORM-FCC-Application-Letters-Confidentiality-LetterCover Letter(s)2025-11-20PDF 181 KB
1-2_RF_Test_report_YY2104C2-FCC ID-MPE rev1RF Exposure Info2025-11-20PDF 400.5 KB
Confidential_2-6_Block_Diagram_YY2104C2_Subwoofer Metadata onlyBlock DiagramPDF 620.4 KB
Confidential_2-6_Block_Diagram_YY2104C2_Wireless 2.4G Metadata onlyBlock DiagramPDF 47.4 KB
Confidential_2-7_Schematic_Diagram_YY2104C2_PSU,Main Board rev1 Metadata onlySchematicsPDF 812.6 KB
Confidential_2-7_Schematic_Diagram_YY2104C2_Wireless 2.4G Metadata onlySchematicsPDF 98.7 KB
Confidential_2-9_Operating_Description_YY2104C2 rev1 Metadata onlyOperational DescriptionPDF 451.6 KB
Confidential_2-8_ Parts_List_YY2104C2 rev1 Metadata onlyParts List/Tune Up InfoPDF 226.9 KB

Application Information

Application IDkLHNxr/IDXkXk5/ZZE0VCg==
Final Action Date2025-11-20
Application PurposeOriginal Equipment
Applicant FRN0003739166
ModelYY2104C2
Frequency Range2403-2479 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionSubwoofer
Responsible PartyKazuyuki Hori, qec-pcom-emcrf-1@sony.com , 81-50-3141-6220
Technical ContactSunny Lu, AUDIX Technology (Shenzhen) Co., Ltd., hotline@acbcert.com , 075526639496
Non-Technical ContactSunny Zhao, AUDIX Technology (Shenzhen) Co., Ltd., sunny_zhao@audix.com.cn , 075526639496
Test FirmLeon Liu, Audix Technology Corporation, leon@audixtech.com , 886-2-26092133
TCB Emailhotline@acbcert.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
kLHNxr/IDXkXk5/ZZE0VCg==2025-11-20Original Equipment

Equipment Authorization

FrequencyOutputRules
2403-2479 MHz0.00315C

Grants

TCB Grant - Application kLHNxr/IDXkXk5/ZZE0VCg==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  ACB, Inc.
313 Park Avenue Suite 300
Falls Church, VA 22046
Date of Grant: 11/20/2025

Application Dated: 11/19/2025
Sony Group Corporation
1-7-1 Konan
Minato-ku
Tokyo, 108-0075
Japan
 
Attention: Kazuyuki Hori , Chief EMC/RF Compliance Specialist

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  AK8YY2104C2
Name of Grantee:  Sony Group Corporation
Equipment Class: Digital Transmission System
Notes: Subwoofer
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2403.0  -  2479.0 0.003  

Power output listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and not be colocated with any other transmitters except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.