This is a KIT, it requires soldering and assembly.
AP-1 AUDIO PRE-AMPLIFIER KIT
AUDIO PRE-AMPLIFIER KIT - AP-1
Boost your microphone's output to line level!
Plug your microphone into our AP-1 and drive your amp to full capacity.
Connect an AP-1 to a pair of amplified speakers,
plug your microphone in and you have an instant PA system.
Requires 6 to 12v DC.
Printed Circuit Board Size: 1" x 2"