The MEINL Pickup Cajons are equipped with the DST pickup microphone and the A1.2 pre-amp system with volume control from UKKO by B-Band®. This active system includes a specially designed pre-amp, high quality endpin output jack and a durable battery. The system adds very little weight to the instrument. The sound reproduction is amazingly pure and clear. This installed microphone system provides comfortable and easy handling in live situations. Plug in and play!