20W stereo Bluetooth speaker

Parts: -DC 5V TWS BT amplifier module with 10W+10W dual-channel digital stereo sound:

https://www.aliexpress.com/item/1005010678593885.html?pdp_npi=4%40dis%21HUF%21HUF%202%2C839.23%21HUF%201%2C532.39%21%21%218.56%214.62%21%40211b815c17717425592585466eb2a6%2112000053166705506%21sh%21HU%21723485383%21X5.

Passive bass circular and elliptical diaphragm low-frequency radiators and subwoofers:https://www.aliexpress.com/item/1005007657193412.html?pdp_npi=4%40dis%21HUF%21HUF%20806.68%21HUF%20556.70%21%21%2116.78%2111.58%21%40211b87e117717426199222953ded7c%2112000041734996854%21sh%21HU%21723485383%21X&spm=a2g0o.

2 portable 2-inch full-range speakers with a diameter of 53 mm, rated at 4 ohms and with a power output of 10W:

https://www.aliexpress.com/item/1005007441881405.html?pdp_npi=4%40dis%21HUF%21HUF%203%2C774.58%21HUF%203%2C774.58%21%21%2111.38%2111.38%21%402103834817717427628794880e53be%2112000040770022077%21sh%21HU%21723485383%21X

-2 18650 lithium-ion batteries with 2000-2500 mAh

-M3 nuts and bolts

-M2 bottom cover bolts

- Rubber glue

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