Design 2.1 Power Amplifier Board Multi Function Power Amplifier Board

Detailed Information About The Product:

The subwoofer must be matched well and then installed into the box to make the phase inversion hole. Other parts shall be well sealed. Pay more attention to the speaker impedance mouth meridian and height. If the impedance and mouth meridian are not consistent with its note stroke it will not be enough. Not only the sound is small but also there is no shaking of the subwoofer
The same board is compared with the following two speakers both of which are 4 Euro: the sound on the left is also 4 euro which is not only very small but also very poor sound quality; The one on the right performs very well in all aspects
This product can drive 5V / 20W W based on the principle of circuit the secondary development and processing the maximum power can be configured to 20W 10W bass + 10W sub box 5W * 2; so the power amplifier board has strict requirements for power supply and horn

Power supply mode and horn selection
A. 5V / 3A power is inserted into the red power socket;
Horn requirements:
Left and right channel sub box horn: 4 ohm / 5W full frequency horn.
Bass speaker: choose 4 ohm 10W-15W bass speaker. Never use a 6-ohm or 8-ohm bass speaker;
B. if the power is supplied from the USB socket of the motherboard 5v3a the USB here can't be charged please note;
Horn requirements:
Left and right channel speakers: 4 ohm / 3W full frequency speakers.
Bass speaker: choose 4 ohm 5W bass speaker. Never use a 6-euro or 8-euro Bass speaker;
Audio source: MP3 MP4 computer PC mobile phone
Colour:as described
Material:PC+Metal

Package Contents:
1 x Power Amplifier Board

Only the above package content other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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