2BRRXMJH-D002Home Bluetooth Speaker

MJH-D002 Bluetooth
Speaker
User
Manual
Before using and operating the equipment, Please read and follow all precautions to ensure optimal peormance and avoid potential hazards. ◆
Item
List ◆
Specifications
Product
Model：MJH-D002 Total
system
power：



Tweeters：10W+10W







Woofer：40W Frequency
response：40Hz
-20kHz SNR：≥85dB

AC：100−240V〜
50-60Hｚ


60Ｗ




•MJH-D002
Speaker





















④ ⑨ ⑩ •Power
cord





•Instruction
manual


&
Warranty
card
Note:
The
pictures
in
this
manual
are
schematic
diagrams.The
information and
parameters
marked
may
differ
from
the
actual
product.Please
refer
to
the
actual
product. Product
Model：MJH-D002 Huizhou
Zhengcheng
Audio
Co.,
Ltd.
http://www.majohun.com
Address：Huizhou,
Guangdong,
China ◆
Pairing
two
TWS
speakers ① ② ③ ⑤ ⑥ ⑦ ⑧ ◆
Functional
Description 1、TWS
Pairing
(1)Pairing
steps
In
Bluetooth
mode,
when
the
Bluetooth
indicators
of
the
two
speakers
are
flashing,
quickly
double-click
the
"SOURCE"
button
of
either
speaker
to
enter
TWS
pairing.
(2)Pairing
successful The
Bluetooth
indicator
light
on
the
main
speaker
keeps
flashing,
while
the
Bluetooth
indicator
light
on
the
secondary
speaker

remains
on.
2、Bluetooth
device
connection
Turn
on
the
Bluetooth
device,
search
for
the
device
name
"MJH-D002"
and
click
Connect.
When
the
Bluetooth
indicator
lights
of
both
speakers
remain
on，the
connection
is
successful. 3、AUX
Input
Connection
Use
a
3.5mm
audio
cable
to
plug
into
the
"AUX
input
port"
of
the
main
speaker,
and
short-press
the
"SOURCE"
button
of
the
main
speaker
to
switch
to
AUX
mode;
The
AUX
indicators
on
both
speakers
will
turn
on,
indicating
a
successful
connection
and
readiness
for
playback. 4、TWS
Exit To
exit
TWS
mode,
double-press
the
"SOURCE"
button
on
either
speaker. ①

3.5mm
AUX
audio
input
port
②

Single-click
to
select
the
signal
source,
long-press
to
enable






Bluetooth
pairing,
double-click
to
enter/exit
TWS
pairing ③

The
left
button
goes
to
the
previous
song,
and
the
right
button





goes
to
the
next
song
(AUX
mode
does
not
support
song
switching) ④

Play/Pause ◆
AUX
input MJH-D002 Bluetooth
input
is
the
default
mode
upon
first
power-on.
Long
press to
enable
Bluetooth
pairing.
The
red
light
flashes
quickly.
Open
the
Bluetooth
device
search
and
select
"MJH-D002".
After
the
connection
is
successful,
the
Bluetooth
indicator
light
is
on
and
you
can
use
it. (Note:
The
speaker
will
automatically
enter
sleep
mode
after
10
minutes
of inactivity.
You
can
wake
it
up
and
restore
the
Bluetooth
connection
by
oper- ating
any
function) Use
a
3.5mm
audio
cable
to
connect
the
device
to
the
"AUX
input
port"
short
press
the
"SOURCE"
button
to
switch
to
AUX
mode,
and
wait
for
the
AUX
indicator
to
light
up,
then
you
can
use
it.
◆
USB
input Connect
the
USB
to
the
device's
"USB
2.0
input
port"
and
the
device
will
automatically
switch
to
USB
mode
to
play
the
audio
files
stored
in
the
USB
flash
drive. ◆
Bluetooth
input MJH-D002 ⑤

Volume
control
knob














⑥

Bass
control
knob ⑦

Treble
control
knob























⑧

Power
toggle
switch ⑨

Power
input
port





























⑩

USB
2.0
input
port 曼哲伦 MJH-D002

Rev1/26/2023 HuizhouZhengchengAudioCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:11-19-2025 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BRRXMJH-D002 HuizhouZhengchengAudioCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. HuizhouZhengchengAudioCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, zaiyingOu/manager Rev1/26/2023 HuizhouZhengchengAudioCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:11-19-2025 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BRRXMJH-D002 HuizhouZhengchengAudioCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofits subsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, zaiyingOu/manager

Rev 1/26/2023 Huizhou Zhengcheng Audio Co., Ltd. zaiying Ou Huizhou Zhengcheng Audio Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date:11-20-2025 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID or Grantee Code:FCC /͗ 2BRRXMJH-D002 Applicant FRN:0037412863 Huizhou Zhengcheng Audio Co., Ltd.(“the applicant”) certifies that, as of the date of the filing of the application,REP America LLC is our designated U.S. agent for service of process for the above referenced FCC ID.Huizhou Zhengcheng Audio Co., Ltd.accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. REP America LLC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: REP America LLC U.S. Agent FRN: 0034192500 Address: 350 Terry St. 200 Longmont, CO 80501 United States Contact Person: Ben XU Tel.: (719) 201-3314 Email: [email protected] Sincerely, / manager REP America LLC Ben XU/manager [Insert Applicant signature]

Huizhou Zhengcheng Audio Co., Ltd. Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 11-20-2025 To Whom SUBJECT: FCC Application for FCC ID: 2BRRXMJH-D002 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 thename, 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 Manufactureror if the product is imported the Importer. Regards, Sincerely, (signature) Name: zaiying Ou Title: manager

HuizhouZhengchengAudioCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BRRXMJH-D002 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType BlockDiagram OperationalDescription Schematics Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrantfor thisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Sincerely, (signature) Name:zaiyingOu Title:Manager

HuizhouZhengchengAudioCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:11-19-2025 SUBJECT:FCCApplicationforFCCID:2BRRXMJH-D002 ToWhomItMayConcern: We,theundersigned,herebyauthorizeColinHuangatShenzhenDACETestingTechnology Co.,Ltd.onourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment. AnyandallactscarriedoutbyShenzhenDACETestingTechnologyCo.,Ltd.onourbehalf shallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,theapplicant, arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301oftheAnti-DrugActof 1988,21USC853a,andnopartytotheapplicationissubjecttoadenialoffederalbenefits pursuanttothatsection. Regards, Sincerely, (signature) Name:zaiyingOu Title:Manager

FCCID:2BRRXMJH-D002 External

FCCID:2BRRXMJH-D002 FCCIDplaceFCCStatementplace ProductName:HomeBluetoothSpeaker ProductModel:MJH-D002 FCCID:2BRRXMJH-D002 Channelsystem:2.1Channel Frequencyresponserange:45Hz~20KHz HuizhouZhengchengAudioCo.,Ltd. CAUTION:Thisdevicecomplieswithpart15 oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)Thisdevicemay notcauseharmfulinterference,and(2)this devicemustacceptanyinterference received,includinginterferencethatmay causeundesiredoperation.

FCCID:2BRRXMJH-D002 Internal

Page1of1 RFExposureEvaluationReport 1RFEXPOSURE ProductName: HomeBluetoothSpeaker ModelNo.: MJH-D002 FCCID:2BRRXMJH-D002 2.RFExposureEvaluation FCCKDB447498D01GeneralRFExposureGuidancev06:MobileandPortableDevice,RF Exposure,EquipmentAuthorizationProcedures. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093Radiofrequencyradiationexposureevaluation:portabledevices. 2.1LIMITS The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances ≤ 50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]*[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where  f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. 2.2EUTRFEXPOSUREEVALUATION Channel (MHz) Conducted Power(dBm) Tuneup Tolerance(dBm) Maximum tune-upPower Calculated value Limit (dBm)(mW) 3-DH5--24804.85 5±1 63.9811.2543.0 Calculatedvalueis1.254<3.0,SothereisnorequireSARtest.

Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture Huizhou Zhengcheng Audio Co., Ltd. Antenna Photo & Length (mm) Address Intercontinental Industrial Park, Luoyang Street, Boluo County, Huizhou City Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

V1.0ReportNo.: DACE251009001RL001 102, BuildingH1, & 1/F., BuildingH, HongfaScience& TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel: +86-755-23010613E-mail:[email protected] 1 of 97 RF TEST REPORT For HuizhouZhengchengAudioCo., Ltd. ProductName:HomeBluetoothSpeaker Test Model(s):MJH-D002 ReportReferenceNo.:DACE251009001RL001 FCC ID:2BRRXMJH-D002 Applicant’s Name:HuizhouZhengchengAudioCo., Ltd. Address: IntercontinentalIndustrialPark,LuoyangStreet,BoluoCounty,Huizhou City TestingLaboratory:ShenzhenDACETestingTechnologyCo., Ltd. Address: 102, BuildingH1, & 1/F., BuildingH, HongfaScience& TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China Test SpecificationStandard:47 CFR Part 15.247 Date of Receipt:October9, 2025 Date of Test:October9, 2025to October21, 2025 Data of Issue:October21, 2025 Result:Pass Note:This reportshallnot be reproducedexceptin full, withoutthe writtenapprovalof ShenzhenDACE TestingTechnologyCo., Ltd. This documentmay be alteredor revisedby ShenzhenDACETestingTechnology Co., Ltd. personnelonly, and shallbe notedin the revisionsectionof the document.The test resultsin the reportonly applyto the testedsample V1.0Report No.: DACE251009001RL001 102, Building H1, & 1/F., Building H, Hongfa Science & Technology Park, Tangtou Community, Shiyan Subdistrict, Bao'an District, Shenzhen, Guangdong, China Web: http://www.dace-lab.comTel: +86-755-23010613E-mail: [email protected] 2 of 97 Apply for company information Applicant’s Name:Huizhou Zhengcheng Audio Co., Ltd. Address:Intercontinental Industrial Park, Luoyang Street, Boluo County, Huizhou City Product Name:Home Bluetooth Speaker Test Model(s):MJH-D002 Test Specification Standard(s):47 CFR Part 15.247 NOTE1: The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Compiled by:Supervised by:Approved by: Amy Zhu / Test EngineerStone Yin / Project EngineerTom Chen / Manager October 21, 2025October 21, 2025October 21, 2025 V1.0ReportNo.: DACE251009001RL001 102, BuildingH1, & 1/F., BuildingH, HongfaScience& TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel: +86-755-23010613E-mail:[email protected] 3 of 97 RevisionHistoryOf Report VersionDescriptionREPORTNo.Issue Date V1.0OriginalDACE251009001RL001October21, 2025 V1.0ReportNo.: DACE251009001RL001 102, BuildingH1, & 1/F., BuildingH, HongfaScience& TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel: +86-755-23010613E-mail:[email protected] 4 of 97 CONTENTS 1 TEST SUMMARY...................................................................................................................................................6 1.1 TESTSTANDARDS........................................................................................................................................6 1.2 SUMMARYOFTESTRESULT.........................................................................................................................6 2 GENERALINFORMATION....................................................................................................................................7 2.1 CLIENTINFORMATION..................................................................................................................................7 2.2 DESCRIPTIONOFDEVICE(EUT) ..................................................................................................................7 2.3 DESCRIPTIONOFTESTMODES....................................................................................................................8 2.4 DESCRIPTIONOFSUPPORTUNITS................................................................................................................8 2.5 EQUIPMENTSUSEDDURINGTHETEST........................................................................................................9 2.6 STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................10 3 EVALUATIONRESULTS(EVALUATION)...........................................................................................................12 3.1 ANTENNAREQUIREMENT............................................................................................................................12 3.1.1Conclusion:.................................................................................................................................12 4 RADIOSPECTRUMMATTERTEST RESULTS(RF) .........................................................................................13 4.1 CONDUCTEDEMISSIONATACPOWERLINE................................................................................................13 4.1.1E.U.T.Operation:........................................................................................................................13 4.1.2Test SetupDiagram:...................................................................................................................13 4.1.3Test Data:...................................................................................................................................14 4.2 20DB BANDWIDTH.....................................................................................................................................16 4.2.1E.U.T.Operation:........................................................................................................................16 4.2.2Test SetupDiagram:...................................................................................................................16 4.2.3Test Data…

Text truncated - open the document above for the full version.

FCCID:2BRRXMJH-D002 Testsetup ConductedEmissionatACpowerline Bandedgeemissions(Radiated) Emissionsinfrequencybands(above1GHz) Emissionsinfrequencybands(below1GHz)