1.
upc1230 high sound quality
input voltage-12v-13.5v in 3 to 10 amp.output-40w to 55w
(high bass and treble)
2.
la4440 super up and most use
input voltage-12v to13v(dc)output-40w to 58w
use in stereo (needs)
1.la4440 circuit
2.transformer 12v.3to10amp
3.audio card
4.transistor (7805)
5.wires
6.sound tones
7.bass treble circuit
3.what is 7805
this transistor change 12v to 5v and help to run the audio card
