What Inside of A-One 6603BT Bluetooth Speaker Review
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Hello This is Know Inside Gadget, Today I will share Double Bluetooth Speaker. A Review with teardown sound check model A-one 6602BT / 6603BT a reasonable price in market below 1200 pesos.
Audio Chip: HT8691R x2 Visit Schematic Diagram Of HT8691R
Speaker: 3 ohms 20Watts x2 piezo tweeter 10Watts
Battery: Parallel 18650 Type 3.7V total 1800Mah x2
Power source: 2 separate regulator coil and diodes


