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DIY Bass Boost Cmoy Headphone amplifier KIT JRC4556 opamp


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Nows your chance to build a genuine Bass Boost Cmoy

You need a soldering iron and wire cutters and you can do this

Special Guarantee
If for any reason you cannot complete the amplifier
It doesn't work!
It's too hard!
the dog chewed it!
Send it back with $25.00 for postage and parts it will be fixed and returned in working order
No Questions asked


New printed circuit board
New 3.5mm sockets
 integrated volume control and power switch
Metal film resistors
1000uf Rail capacitors
2200uF Power capacitor
Bass Boost switch
68nf Bass boost capacitors
470nF input capacitors

blue LED
JRC4556 Dual OPamp
TLE2426 Rail Splitter
8pin IC socket
Battery Clip
new Knob
even the solder is included!!

Specially laid out board for easy opamp rolling, room for dual soic adapters
Everything fits on the board no switches to wire!!

Designed to fit an Altoid tin


Drilling template for an Altoids tin is included, but the tin is your problem :-)

Runs off 9 volts, complete ilustrated instructions can be downloaded

  • Shipping Weight: 0.08kgs
  • 3 Units in Stock: