SparkFun Jumper Wires Premium 6" M/M Pack of 10 Wire TV This is a common barrel-type

This is a common barrel-type power jack for DC wall supplies

Note: These potentiometers work great with a finger

please put the microphone away from the amplifier to prevent recording noise due to amplifier

A breakout board is available below

shockproof

SparkFun Jumper Wires Premium 6" M/M Pack of 10 Wire TV This is a common barrel-typeThis is a SparkFun exclusive! These are 155mm long jumpers with male connectors on both ends. Use these to jumper from any female header on any board, to any other female header. Combine these with our female to female jumpers to create a male to female jumper. Multiple jumpers can be installed next to one another on a 0. 1" header. Comes as 1 package of ten jumpers (colors shown). Dimensions: 155mm + 5mm long