Electric Bass Preamp Circuit Plastic Metal Improve Sound Quality EQ Equalizer Circuit for Bassist

1.Pre Wired Circuit: P1 is connected to the positive pole of the neck pickup, P2 is connected to the positive pole of the bass bridge pickup, and GND is connected to the negative pole of the 2 pickups. 2.Improve Sound Quality: This bass subwoofer boosts the sound of your electric bass and makes your music more penetrating. 3.Fine Workmanship: The workmanship of the amplification circuit is exquisite, and the terminals are sensitive and resistant to plugging and unplugging. 4.Plastic Housing: The plastic shell of this bass woofer amplifier line is molded in one piece, durable and wear resistant. 5.Good Choice: This bass bass amplifier circuit is the perfect choice for luthiers or musicians who love to DIY, and it is also a product for you.