The parts needed to assemble the four-channel amplifier:
Multimedia at a low price. CJ-CP607
Power supply from an old laptop 19V 9A.
Voltage reducing device.
A box from an old non-working audio amplifier.
A little paint, manual labor and an idea.
To quickly and inexpensively assemble a four-channel home amplifier yourself.
You have WIFI, bluetooth, Android 13 operating system, a good equalizer and satisfactory amplifier power.
CJ-CP607 -7INCH MULTIMEDIA CAR NAVIGATION
Features:
Android version: Android 13
Display: 7 inch HD capacitive touch display, 1024*600 resolution (automatic adjustment of day/night mode depending on the interior lighting of the car)
4-Core CPU T3 / MAIL 400
MEMORY: 4GB RAM, 32GB ROM
App: Google Play
WiFi - you can also share the Internet from your phone while traveling (you don't need to buy a SIM card for the Internet)
Bluetooth - possibility of A2DP playback (stereo) and sharing of music from phones
Movies - ability to download and watch movies with subtitles
AM/FM Analog Radio RDS
DAB+ RDS Digital Radio
60Wx4 built-in amplifier, equalizer, adjustment of front/rear/left/right speakers; possibility to install other programs for better sound
External rear view camera
Amplifier output: YES
External microphone output: YES