Aiyima A08 PRO User manual

Website:www.aiyima.com Email: [email protected]
Telephone: [phone] VK: https://vk.com/aiyima
Location: 4F, Building 7 Hekan industrial park. Wuhe south road 41. Long-Gang district.
ShenZhen. CHINA. 518000
Shenzhen Yima Technology Co.,Ltd
Bluetooth 5.0
2.0/2.1 Channel Amplifier
USER MANUALS
Model A08 PRO:

2
1
Front And Rear Panel Description
Operation Steps
Specification Parameters
FQA
2
1
5
6
7
3
4
VU level meter
Bass knob
Treble knob
Bluetooth antenna base
Power on / off / main volume control knob (red light: RCA channel / blue
light: Bluetooth channel)
RCA input (automatically switch to Bluetooth channel after Bluetooth
connection, and automatically switch to RCA channel when Bluetooth
is disconnected)
3.5 stereo output(Earphones are not suitable)
8Speaker interface (red / +, black / -; L connected to left speaker, R
connected to right speaker)
9Power interface (DC voltage shall not be higher than 48V)
1. Connect the sound source to be used to the RCA input interface of this product.
2. Connect the passive speaker cable to the speaker interface of this product.
3. Finally, connect the power supply (the DC voltage shall not be higher than 48V).
4. Turn the on / off knob to the right to start the machine.
5. Adjust the main volume and high and low volume knobs to achieve the appropriate
volume and sound effect.
6. If the bluetooth and RCA are connected at the same time,bluetooth playback take
precedence. If you want RCA audio input,pls close the Bluetooth device
Maximum
Output Power
Speaker Impedance
Matching
Maximum Output
Amplitude
Input Sensitivity
Treble And Bass
Adjustment Range
Bluetooth Version
Frequency Response
THD
300W（4Ω） 20Hz-20KHz(±1dB)
0.02%
≥104dB
DC24-48V
0.692KG
L152*W122*H40mm
4-8Ω
1V
0.775V
±6dB
5.0
SNR
Working Voltage
Machine Weight
Package Size
Q: All my wires are connected, but there is no sound?
A: 1 . Check whether the machine is powered on and whether the VU level meter light is on.
If there is no response after startup, you can find a power supply with the same voltage
output (must be DC24v-48v) for test.
2. If the startup is normal and there is still no sound, check whether the input and output
lines are correctly connected.

3
Warning
1. Please do not open the machine shell. Improper operation may cause electric shock
hazard.
2. Please use the switching power supply of the regular manufacturer, otherwise there will
be the risk of damaging the machine.
3. Please do not operate the machine in high temperature or humid environment.
Q: why is the sound distorted?
A: the input signal amplitude may be too large. If the volume of the machine is adjusted to
the maximum value and the volume of the input source is also adjusted to the maximum
value, it is easy to be distorted. At this point, you only need to lower the volume of the
input source or machine.
3. If the above two points are normal, check whether the playback device of the input
sound source is suspended, muted or the volume is at the minimum state.
4. Finally confirm the input mode,when bluetooth and RCA are connected at the same
time,the RCA input is not working,so no audio output,pls discount the bluetooth connect.
Thanks!
Q: why does the volume of the machine remain the same, but the sound size of different
sound sources (such as CD first and then mobile phone) is different?
A: the output signal amplitude is different for different playback devices. For example, mobile
phones are usually 0.35v, while CDs are 1V. The size of natural sound is different.
Q: why does the horn make a loud current sound?
A: If you are not using the original standard power supply, please replace the power supply
and test again. Many power sources in the market have a large disturbance coefficient,
which will cause a large current sound.
Q: why do I not connect the sound source after I plug in the input line, and the speaker
will have a great buzz?
A: when the signal line without shielding is used, there will be interference signals entering
the power amplifier for amplification. It is recommended that you replace the signal line
with shielding or unplug the signal line.
Q: Can this machine be connected to a phonograph / record player?
A: At present, this device does not support phonograph/ record player signal input, because
the output level of phonograph/ record player is very small, need to add a phonograph
amplifier.
Q: why does Bluetooth sound get stuck?
A: when using Bluetooth to test the distance, it is normal that the sound does not get stuck
or disconnected within 10 meters without any obstructions.(Note: the router will interfere
with the Bluetooth signal. Try not to get close!)
Q: Whether the volume adjust of A08 Pro can control the 3.5mm AUX output?
A:Yes,It can work.
Q: The VU meter not working?
A: When using a variable output source (Bluetooth device / phone / tablet) — it must be set
at an appropriate level because the VU meter is calibrated and expects around a 2V line
level input. Digitally controlling volume with your device gives you Remote convenience
butkeep in mind that at lower levels, the VU meter may not behave as intended. Setting
your input device to full/fixed output will restore expected VU meter behavior and volume
should then be managed manually on the A08 PRO itself.