M4

Shenzhen Yunke Acoustics Technology Co.,Ltd

Bluetooth and DAc Headphone Amp - Original Equipment

Production: C2403, Dadhui Building, No. 2102, Longgang Avenue Longzhu Community, Buji Street, Longgang District, Shenzhen China

Contact Email: 📧 [email protected]

Certifications & Resources
Device Name	Model	Certification Type	Certification Date
Bluetooth and DAc Headphone Amp	M4	FCC ID	2024-11-28

FCC Application Details

Equipment	Bluetooth and DAc Headphone Amp
FRN	0036196939
Grantee Code	2BLW3
Product Code	-M4
Applicant Business	Shenzhen Yunke Acoustics Technology Co.,Ltd
Business Address	C2403, Dadhui Building, No. 2102, Longgang Avenue Longzhu Community, Buji Street, Longgang District,, Shenzhen, N/A China
TCB Scope	A4: UNII devices & low power transmitters using spread spectrum techniques
TCB Email	[email protected]
Applicant	Zeng Dan –
Applicant Phone
Applicant Fax	18529516596
Applicant Email	[email protected]
Applicant MailStop
Test Firm	SHENZHEN NCT TESTING TECHNOLOGY CO., LTD.
Test Firm Contact	Henry Wang
Test Firm Phone
Test Firm Fax
Test Firm Email	[email protected]
Certified By	Zeng Dan – PM

Documents - shenzhen yunke acoustics technology – m4,2BLW3-M4,2BLW3M4,M4

	[pdf] Letter Authorization Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 C5266091_X8_Ed.1 Letter of Authorization Shenzhen Yunke Acoustics Technology Co., Ltd. Company: Shenzhen Yunke Acoustics Technology Co., Ltd. Address: C2403, Dadhui Building, No. 2102, Longgang Avenue, Longzhu Community, Buji Street, Longgang District, Shenzhen Product Name: M4 Model Number: M4 FCC ... lang:en score:91 filesize: 68.08 K page_count: 1 document date: 2024-11-23
	[pdf] US Agent Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal ... .net Applicant: Company name: Shenzhen Yunke Acoustics Technology Co., Ltd. Product Description: M4 Grantee code: 2BLW3 FCC ID: 2BLW3-M4 FRN 0036196939 Contact Name: Zeng Dan Address: C2403,... lang:en score:91 filesize: 106.25 K page_count: 1 document date: 2024-11-23
	[pdf] Confidentiality Request Letter Confidentiality Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 C5266091_X10_Ed.2 Shenzhen Yunke Acoustics Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2024-11-22 Subject: Request for Confidentiality FCC ID: 2BLW3-M4 To Whom It May Concern, Pursuant to the provisions of... lang:en score:87 filesize: 163.54 K page_count: 2 document date: 2024-11-23
	[pdf] SAR Rating RF Exposure Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 FCC ID : 2BLW3-M4 RF EXPOSURE EVALUATION METHOD FCC ID: 2BLW3-M4 According to KDB 447498 D01 General RF Exposure Guidance v06 and part 2.1093 SAR Test Exclusion Thresholds for 100 MHz 6 GHz and 50 mm Approximate SAR Test Exclusion Power Thresholds at Selected Frequencies and Test Separation Dista... lang:en score:77 filesize: 71.97 K page_count: 2 document date: 2024-11-28
	[pdf] Label ID label and location Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth DAc Headphone Amp 2BLW3 2BLW3M4 m4 FCC ID LABELING AND LOCATION FCC ID Label M4 FCC ID: 2BLW3-M4 FCC ID Label Location The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase Labeling requirements per 2.925 ... lang:en score:72 filesize: 86.33 K page_count: 1 document date: 2024-11-23
	[pdf] Test Report Test report Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 FCC TEST REPORT FCC ID:2BLW3-M4 Product Model Name Brand Report No. : M4 : M4 : MUSE HiFi : NCT24046322E Prepared for Shenzhen Yunke Acoustics Technology Co., Ltd. C2403, Dadhui Building, No. 2102, Longgang Avenue, Longzhu Community, Buji Street, Longgang District, Shenzhen Prepared by Shenzhen N... lang:en score:69 filesize: 3.02 M page_count: 64 document date: 2024-11-28
	[pdf] User Manual 包装说明书 User manual Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 12cm X 8cm X 4.5cm Bluetooth and DAC Headphone Amp Bluetooth and DAC Headphone Amp M4 Bluetooth and DAC Headphone Amp Bluetooth version: Bluetooth 5.1 Volume adjustment: The volume of the phone can be adjusted separately and independently Compatibility: AAC/SBC/aptX/aptX LL/aptX Adaptive/aptX HD/... lang:en score:64 filesize: 574.18 K page_count: 2 document date: 2024-11-23
	[pdf] Specifications Antenna Product Specification 1 elan yuan Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 Shenzhen Yunke Acoustics Technology Co.,Ltd MUSE HiFi M4 Ultra Product SPC Quick Reference Date Frequenc Range Ant. Port Input Pwr. dBm Tot. Rad. Pwr. dBm Peak EIRP dBm Directivity dBi Efficiency dB Gain dBi Maximum Power dBm Minimum Power dBm Avg. Power dBm Input Impendence ohm P... lang:en score:56 filesize: 573.45 K page_count: 4 document date: 2024-10-12
	[pdf] Label External photos Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 External Photos Photo 1 Photo 2 Label location Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 ... lang:en score:36 filesize: 448.35 K page_count: 4 document date: 2024-11-23
	[pdf] Test photo Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 ... lang:en score:36 filesize: 161.32 K page_count: 2 document date: 2024-11-23
	[pdf] Product Photos Teardown Internal photos Shenzhen Yunke Acoustics Technology Co Ltd M4 Bluetooth and DAc Headphone Amp 2BLW3 2BLW3M4 m4 Internal Photos Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 PCB Antenna Photo 6 ... lang:en score:36 filesize: 546.39 K page_count: 3 document date: 2024-11-23

Related FCC IDs:

2BLW3-M4 - Shenzhen Yunke Acoustics Technology Co.,Ltd Bluetooth and DAc Headphone Amp [-M4]

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