Рет қаралды 11,498
2.1 soundtron preamp board
inbuit bass treble board
added lowpass filter
can connect on board volume controls
easy to use.. inbuilt usb board 5v supply
better pcb better design good soldering..
for beginnners its better to buy this for making your 2.1 amp..
contact soundtron...+919895847788
board cost..... 270
with knob control... 370rs
for any assistance contact technical evolution
watsapp.. 7012592783
#technicalevolution #soundtron #amplifier #preamplifier