USB, BLUETOORH, FM, MIC ECHO_ PREAMPLIFIER FOR OLD AMPLIFIERS  

In this video, two types of USB, Bluetooth Pre amplifier products are introduced for the old audio system that does not having USB, BLUETOOTH and Mic facility. You will definitely find it useful, you can connect these devices to the Aux of old HI FI System or Amplifier and enjoy USB Bluetooth, mic and Echo and karaoke function. #projectwonders
*My channel :- / @projectwonders
*Follow me on Instagram :- / rajeshkumar.pvm
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Preamplifier 1
USB,
BLUETOOTH ,
FM
Aux
GOOD QUALITY REMOTE CONTROL
SMPS Power supply
Price : Rs 1650/-
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Preamplifier 2
USB,
BLUETOOTH ,
FM
MIC with ECHO
KAROAKE FUNCTION
INBUILT BASS TREBLE FUNCTION
MIC AND ECHO VOLUME CONTROL
ROTARY ENCORDER
SMPS Power supply
AUX
GOOD QUALITY REMOTE CONTROL
Price : Rs 1800/-
Courier charges extra....
WhatsApp only : 8681812819
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For Business enquires:- rajeshkumar.pvm@gmail.com
#projectwonders #electronics #projects #rajeshkumar #rajesh #usbbtpreamplifier #micpreamp #usbmodule #bluetoothpreamplifier #stereoamplifier #2.1amplifier
Equipment used:-
camera 1 :- www.amazon.in/...
camera 2:-www.amazon.in/...
Mic :- www.amazon.in/...

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