Aiyima A03 with a Passive subwoofer unboxing

Today we’re going to do an unboxing for the AIYIMA A03 2.1 Channel Class D Amplifier
In the box is a Aiyima Decal, a manual a 24 volt 4 amp power adapter with plug, plus an antenna for Bluetooth and the Aiyima A03 2.1 Amplifier.
This amplifier has a passive subwoofer output with frequency and volume adjustments and tone control. After we connect this amp to a set of speakers and a passive sub-woofer, we will be back with our review
• AIYIMA A03 2.1 review ...