AIYIMA D03 Bluetooth Channel Digital Amplifier User Manual

AIYIMA D03 Bluetooth Channel Digital Amplifier

Front And Rear Panel Description

1. ON/OFF Switch
2. Input channel selection Switch
3. OLED display window
4. IR remote receiver
5. Vol +/- &mute switch
6. Bluetooth antenna (Bluetooth is optional)
7. PC-USB input interface
8. Optical input interface
9. Coaxial input interface
10. RCA input interface
11. A low-pass output
12. Speaker interface (Red to positive, Black to negative, R to right speaker, L to left speaker)
13. PSU interface (DC power supply, not exceeding 36V)

Remote Instruction

1. Turn on/off
2. Input channel selection
3. Sound off
4. Bass +
5. Treble –
6. Treble+
7. Loudness turn/off
8. Bass –
9. EQ mode selection
10. Initialization
11. VOL –
12. VOL+
13. OLED display window off

OLED Display Window Instruction

• A. Input channel display area, USB/Optical/Coaxial/AUX/BT
• B. Input sampling rate area, no signal will show
• C. Volume display area, Volume range 0-99
• D. At the bottom is the volume progress bar

High and low sound setting display style, high and low sound adjustable range ± 12dB

EQ display style, display Jazz/Classical/Dance/Pop/Soft/Normal/Rock/Soft Rock according to the selection

Open different EQs in TONE-ON mode, HIFI mode is a pass-through mode

Operation Steps

1. Connect speakers to the SPK OUT interface
2. Connect the sound source to the sound source input interface
3. Connect the power supply (power supply should not exceed DC36V]
4. Press the machine ON/OFF or the remote control to start the machine
5. Press the machine input channel selection key or the remote control to select the input channel
6. When using Bluetooth input, the input channel needs to be set to BT

Instructions For PC-USB Operation

1. Connect the PC-USB interface of the rear surface of the machine with factory provided USB cable (USB can support hot plug)
2. Press the input signal selection switch to select USB input.
3. The following photo shows the icon with the horn symbol in the lower right corner of PC
4. Click the right button to pop up the dialog window and click
5. Select the playback device recognized by the PC in the pop-up dialog window (USB of this machine is automatic identification, no manual installation and drive).
6. Click to confirm the identified digital output.

Specification

Frequently Asked Questions

• Q: Why can’t I find Bluetooth?
  A: The input channel must be switched to BT to search for a connection to Bluetooth

• Q: Why does music stutter when using Bluetooth?
  A: The effective transmission distance of Bluetooth is 1 OM without blocking. If it exceeds 10 M or there is obstruction, the transmission distance of Bluetooth will be affected

• Q: Will my speakers burn out if I have a speaker below 100W?
  A: No, the maximum output of the amplifier is 120W, which means the sound is set to the maximum. If the speaker is low in power, just turn the sound down

• Q: Why does the speaker have so loud current noise?
  A: If you are not using the power supply from the factory originally, please replace the power supply before testing. Many power sources in the market have high interference factors which will cause high current sound.

• Q: Why do I plug in the input line and not connect to the sound source, the sound box will have a big buzz.
  A: When the signal line without shielding is not loaded, there will be an interference signal in the amplifier for amplification. If you hate this sound, it suggests you replace the signal line with shielding or unplug the signal line.

• Q: Why is it that the volume of the machine remains the same with different sound sources (such as a CD and a cell phone), but the volume is different?
  A: Different devices output different electrical signal amplitudes, such as mobile phones are usually 0.35mV, and CDS are 1V., then the sounds are of different

• Q: Why is there no sound when PC-USB is connected to the PC?
  A: Please follow the PC-USB operation steps first to confirm whether the digital playback output is selected. If you still have no sound, you can restart the computer and repeat the operation again

• Q: Can I keep plugged in and not turn off?
  A: Yes, the power consumption of our machine on standby is very small. Of course, we still suggest to unplug the power if it is not used for more than one hour

• Q: Can we use the amplifier in different countries?
  A: Yes, but it needs to be our standard power supply. And AC 100-240V

Warning

1. Please do not open the shell without permission. Improper operation may cause the danger of electric shock.
2. Please use the power supply of the regular manufacturer, otherwise, it will damage the machine.
3. Please do not use the machine in a high-temperature and humidity environment.

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