Table of Contents
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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
1
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
2
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Summary of Contents for Helmer L50
- Page 1 Safety Information Contents 1. Don’t use this product in a wet environment. Safety Information 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 Chapter 1: Understanding your amplifier connected correctly. 1.1 Features 4. Don’t open and repair the product by yourself. 1.2 Package Content 5. If the product crashes, you can press the reset button in the lower left 1.3 Wiring Instruction corner of the product to reset. 1.4 Device Layout Chapter 1: Understanding your amplifier 1.1 Features Chapter 2: Installation 1. Touch panel with 6 quick buttons. 2. Stereo Amplifier Module (2 x 15W) Chapter 3: Getting Started 3. Bluetooth connectivity for wireless audio input of smart phone, pad, etc. 3.1 Display 4. 1 x Wired Audio Input (on rear PCB) 5. USB and TF card player (at bottom of unit) 3.2 Turn ON/OFF the device 6. Support MP3, WMA, MAV format. 3.3 Bluetooth 7. Built in power supply 3.4 AUX IN 1.2 Package Content Chapter 4: Technical Parameters 1 x amplifier ...
- Page 2 1.3 Wiring Diagram Chapter 2: Installation 1.4 Device Layout ...
- Page 3 Chapter 3: Quick Start 3.4 AUX IN 3.1 Display 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 3.2 Turn ON/OFF the device Extended SD card up to 64G Long press ON/OFF button on device to turn on the device. Then you can Bluetooth Transmission Distance: ≤ 10M Product size: 86 x 86 x 44mm 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. ...
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