This aircraft is based on the CSD-SR70, which is in good condition, and has undergone extreme modifications.
1. The speakers have been replaced with the latest SAMCO neodymium magnet speakers, which can reproduce realistic sound without distortion from bass to treble.
2. Equipped with a Bluetooth 5.0 audio chip, it can receive music from a smartphone via LINE IN and play it without loss.
3. It is fashion that the color of the LCD screen changes from orange to green.
I succeeded in mass producing this. If you want it, you can buy it here. First come, first served.
jp.mercari.com/item/m47028844366