1. FCC ID
  2. 2A9OO
  3. 2A9OO-U4320B

FCC ID 2A9OO-U4320B

Active Subwoofer

by Ultimea Technology (Shenzhen) Limited

Grantee Code: 2A9OO   Product Code: U4320B
Latest application date: 2026-09-01

FCC ID Device Details

FCC ID2A9OO-U4320B
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2A9OO
Product CodeU4320B
Applicant BusinessUltimea Technology (Shenzhen) Limited 🇨🇳
Related Domains substanbo.com ultimea.com
Equipment ClassActive Subwoofer
Test FirmShenzhen Huaxia Testing Technology Co., Ltd

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-09-01

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2026-09-01PDF 4.8 MB
Internal photosInternal Photos2026-09-01PDF 2.7 MB
External photosExternal Photos2026-09-01PDF 2.5 MB
Label and label locationID Label/Location Info2026-09-01PDF 2.8 MB
Test setup photosTest Setup Photos2026-09-01PDF 576.8 KB
Antenna informationTest Report2026-09-01PDF 611.8 KB
Appendix test data BT LETest Report2026-09-01PDF 2.7 MB
Test Report BT LETest Report2026-09-01PDF 847.8 KB
Agent attestation letterAttestation Statements2026-09-01PDF 126.6 KB
Covered equipment letterAttestation Statements2026-09-01PDF 254.7 KB
Due digilence letterAttestation Statements2026-09-01PDF 259.4 KB
Confidentiality request letterCover Letter(s)2026-09-01PDF 253 KB
RF exposure evaluationRF Exposure Info2026-09-01PDF 373.8 KB
Block diagram Metadata onlyBlock DiagramPDF 58.9 KB
Schematic Metadata onlySchematicsPDF 315.2 KB
Operation description Metadata onlyOperational DescriptionPDF 180.2 KB

Application Information

Application IDBpz27+c3TdScvvevT92U+w==
Final Action Date2026-09-01
Application PurposeOriginal Equipment
Applicant FRN0033166620
ModelU4320B
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionActive Subwoofer
Responsible PartyYoyo Yu, Yoyo.yu@substanbo.com , 0755-23762801
Non-Technical ContactMonica Lin, Ultimea Inc., yoyo.yu@ultimea.com , (888)598-8875
Test FirmJack Ai, Shenzhen Huaxia Testing Technology Co., Ltd, szcqa@cqa-cert.com , +8613902988375
TCB Emailo.kneip@kl-certification.de
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
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
Bpz27+c3TdScvvevT92U+w==2026-09-01Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.001815C

Grants

TCB Grant - Application Bpz27+c3TdScvvevT92U+w==

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

  KL-Certification GmbH
Heinrich-Hertz-Allee 7
St. Ingbert, 66386
Germany 		Date of Grant: 09/01/2026

Application Dated: 09/01/2026
Ultimea Technology (Shenzhen) Limited
20th Floor,Building4,Tianan Cloud Park,
Bantian St.,Longgang District,
Shenzhen, 518000
China
 
Attention: Yoyo Yu ,

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:  2A9OO-U4320B
Name of Grantee:  Ultimea Technology (Shenzhen) Limited
Equipment Class: Digital Transmission System
Notes: Active Subwoofer
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0018  

Power listed is maximum peak conducted output power. The product must be installed such that its antenna(s) can provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any other transmitter, except in accordance with FCC multi-transmitter product procedures or as described in this filing.