This is how I do my conversion. Others may vary.
I do my conversions for under $30.
You need 3 things:
1) Speaker wire
2) A power source. I use this. As of now it is $12
Kastar AC Adapter, Power Supply 12V 6A 72W, Tip Size 5.52.5mm for LCD Monitor, LCD TV, 5050 3528 5630 LED Strip Light, Tape Light, Rope Light, Wireless Router, ADSL Cats, Security Camera www.amazon.com...
3) A Bluetooth amplifier board. You can use any TDA7492P board. Here is one on Amazon for $15. These are generally made in China so you might need to shop around some for quality
TDA7492P Bluetooth 4.0 Amplifier Board, 25W + 25W Dual Channel Wireless Digital Audio Receiver 50 Watt AMP Module www.amazon.com...
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