Helmer L50 User manual

Helmer
Brand
Helmer
Model
L50
Type
User manual

Helmer L50

Below you will find brief product information for Helmer L50:

Helmer L50 is a powerful and versatile audio amplifier that is perfect for a wide range of applications. With its 2 x 15W stereo amplifier module, it can easily power even the most demanding speakers. It also has a variety of input options, including Bluetooth, USB, TF card, and AUX, so you can connect any audio source you want.

The Helmer L50 is also very easy to use. The 3" touch button screen makes it simple to control all of the amplifier's functions, and the backlit display provides clear information about the current input source, volume level, and other settings.

Helmer L50

Below you will find brief product information for Helmer L50:

Helmer L50 is a powerful and versatile audio amplifier that is perfect for a wide range of applications. With its 2 x 15W stereo amplifier module, it can easily power even the most demanding speakers. It also has a variety of input options, including Bluetooth, USB, TF card, and AUX, so you can connect any audio source you want.

The Helmer L50 is also very easy to use. The 3" touch button screen makes it simple to control all of the amplifier's functions, and the backlit display provides clear information about the current input source, volume level, and other settings.

1
Contents
SafetyInformation
Chapter1:Understandingyouramplifier
1.1Features
1.2PackageContent
1.3WiringInstruction
1.4DeviceLayout
Chapter2:Installation
Chapter3:GettingStarted
3.1Display
3.2TurnON/OFFthedevice
3.3Bluetooth
3.4AUXIN
Chapter4:TechnicalParameters
2
SafetyInformation
1.Don’tusethisproductinawetenvironment.
2.TheproductappliestopowersupplyAC100‐250V,ifyoudon'tuseitfora
longtime,pleaseturnoffthepower.
3.Pleasemakesurethatthespeakerline,powerline,audioinputlineare
connectedcorrectly.
4.Don’topenandrepairtheproductbyyourself.
5.Iftheproductcrashes,youcanpresstheresetbuttoninthelowerleft
corneroftheproducttoreset.
Chapter1:Understandingyouramplifier
1.1Features
1.Touchpanelwith6quickbuttons.
2.StereoAmplifierModule(2x15W)
3.Bluetoothconnectivityforwirelessaudioinputofsmartphone,pad,etc.
4.1xWiredAudioInput(onrearPCB)
5.USBandTFcardplayer(atbottomofunit)
6.SupportMP3,WMA,MAVformat.
7.Builtinpowersupply
1.2PackageContent
1xamplifier
2xscrewsformounting
1xwallbracket
3
1.3WiringDiagram
1.4DeviceLayout
4
Chapter2:Installation
5
Chapter3:QuickStart
3.1Display
3.2TurnON/OFFthedevice
LongpressON/OFFbuttonondevicetoturnonthedevice.Thenyoucan
choosetheinputsourceandadjustvolume.
LongpressON/OFFbuttonondeviceagaintoturnoffthedevice.
3.3Bluetooth 
ClickBluetoothtoenablethefunction.YoucanfindtheBluetoothname
“WISE”frommobilephoneorpadtopairwith.Thenyoucanplaymusicfrom
phonetoamplifier.
WhenyouhaveUSBorTFcardconnectingindevice,youcanclickBluetooth
toselecttheaudiosourcefromBT/TFCARD/USBDRIVER.
6
3.4AUXIN
ClickAUXINtochoosetheaudioinputsource.
WhenyouhaveUSBorTFcardconnectingindevice,youcanclickAUXINto
selecttheaudiosourcefromAUXIN/TFCARD/USBDRIVER.
Chapter4:TechnicalParameters
3"TouchbuttonScreen
PowerSupply:AC100‐240V
OutputPower:15W+15W(Max)
InputImpedance:10KΩ
OutputImpedance:4‐8Ω
THD:0.03%
Frequencyresponse:20Hz‐20KHz
ExtendedSDcardupto64G
BluetoothTransmissionDistance:≤10M
Productsize:86x86x44mm
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Helmer L50 User manual

Helmer
Brand
Helmer
Model
L50
Type
User manual

Helmer L50

Below you will find brief product information for Helmer L50:

Helmer L50 is a powerful and versatile audio amplifier that is perfect for a wide range of applications. With its 2 x 15W stereo amplifier module, it can easily power even the most demanding speakers. It also has a variety of input options, including Bluetooth, USB, TF card, and AUX, so you can connect any audio source you want.

The Helmer L50 is also very easy to use. The 3" touch button screen makes it simple to control all of the amplifier's functions, and the backlit display provides clear information about the current input source, volume level, and other settings.

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