Pickups can be added to any cajon for $200. Also, custom pickups systems can be designed for you. These high fidelity transducer pickups are calibrated specially for Nautilus Cajons by Enke Designs/Open source sensors. They feature a preamp, sensors for each tapa, volume control knob, a quarter inch output, and two 9 volt batteries to give it plenty of signal. These are a few examples of cajons which had pickups installed on them.