DSPPA MP-220PII User manual

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1

PASYSTEM

ClassroomBroadcastAmplifier MP-220PII

OWNER SMANUAL

Beforeoperating, pleasereadthismanualcarefully.

FEATURES

lMinivolume, microphonecanbeputinside, suitforthelittlebroadcastoccasion.

lCanbehangingup onthewall;theturnovercoveriswithalockthatsuitfortheclassroom.

lForcedinsertion,

l2MICinputs, 2auxinputs.

l100Vpowersignalinput, withpriority.

lIndividualchannelandvolumecontrolled.

lAlarmcircuitrypreventspotentialdamagefromoverheating, short-circuit.

2

FrontPanel (Turnover cover)

1. Sparemicrophone2. Powerindicator3. Woof-regulate

4. LEDdisplay,5. Alt-regulate6. VolumecontrolofMic.1

7. VolumecontrolofMic.28. Volumecontrolofinput9. VolumecontrolofAux.1

10. VolumecontrolofAux.211.Powerswitch

REAR and SIDE PANEL

1. Nail hole2. Fuse3. 24VSwitchpowerinput

4. Jackofspeaker5. AC220Vcable6. 100Vsignalinput

7. Mic.1/2inputjack8. Aux.1/2inputjack

CONNECTION FOREXAMPLE OFTHE CLASSROOM）

1

2

3

4

5

6

7

8

9

10

11

1

2

3

4

5

6

7

8

3

OPERATION AND NOTICE

lConnectwiththeMP9820 theturnedoff amplifierwill bestaredup whenthereistheDC24

switchpower. Itcanacceptthepriority100Vpowerwhichfromthesystemcentreandcarry

outthemutefunction. The100Vsignalcanaffectthemutefunctionbutnotthevolume.

lThevolumeofsparemicrophonecanbeadjustbythevolumecontrolofMic.1. Mic.1hasthe

priority.

lTheturnovercoverwithelasticityshall beopenbythekey. 1~2 microphonecanbeputinside.

lThetotalloadpowershouldbeless thantheratedpower.

lAll ofthewireshouldbeingoodcondition.

lAgainstthewed, unventilated, heat.

HANGING

1. Sticktwonailsonthewall.(the

positionandthedistance referto

thetwonail holeoftheamplifier.

2.Connectthewirelinethenhangiton.

ToMP9820S

Switching Power

（selected）Mic.1

Receive100V

signalfromthe

controlcentre

（selected）

Aux input1

Mic.2

Aux input2

Speakers

Nail hole

N

ail

hole

Nail hole

2

Notice：All oftheCOMispublicgroundlink;thepolaritycan tbeconnectedbycontraries.

Guardagainst

thefthole

4

SPECIFICATIONS

Ratedoutput 20W（4Ωload）

OutputMode 4～8Ωratedoutput

MIC1 2:≥3mV, unbalanced

AUX1 2:10 kΩ, ≥350 mV, unbalanced

InputSensitivity

LINE IN：≥30V

SwitchPower

EMC

IN

DC24±2V

LINE IN, MIC:150 Hz~15 kHz

Frequency

response AUX:20 Hz~20 kHz

Distortion <0.5%at1kHz, 1/3ratedpower

Mic1 2:≤5 mV

Theratioof

signaltonoise AUX1 2:≤3 mV

BASS:±10 dBat100 Hz

Tone TREBLE:±10 dBat10 kHz

Capabilityoffuse

ACFUSE（F1A）×1

Power

requirements AC198~242 V/50 ~60 Hz

Power

consumption 40W

Dimensions 250×220×80 mm3

Gross weight /

Netweight 2kg /1.2kg

Specificationsaresubjecttochangewithoutnotice

CAUTION

●Whenthe “Powerswitcher”isoff, pleasepull outthepowercordfromthesocket.

●Pleasekeeptheequipmentoutofwater.

●Toreduce theriskofelectricshock, donotremovethecover.

●Nouserpartsinside. Referservicingtoqualifiedservice personnel.

DSPPAACOUSTICTECHNOLOGY CO. LTD.