The meinl percussion subwoofer cajon forward projecting sound ports instead of the traditional rear facing style and an internal reflex channel that develop the cajon sounds'. '.strtoupper('w')hen amplification is needed the cajon is fitted with a piezo pickup paired with a volume and tone control on the outside of the cajon shell'. '.strtoupper('a')dditionally there is a quarter inch cable port that allows you to send your signal through any amp or pa system'. '.strtoupper('t')he baltic birch shell offers exceptional resonance with a deep bass tone that drives through in any mix'. '.strtoupper('t')his construction also provides brilliant durability making it perfect for the travelling musician'. '.strtoupper('f')itted with dual internal snare wires the meinl percussion subwoofer cajon responds perfectly to light finger rolls and projects an authentic slap sound.