The monitor features JBL’s Image Control Waveguide technology for accurate audio reproduction and JBL’s Slip Stream port design for improved bass response. The 306P MkII is equipped with a boundary EQ for controlling the low frequency response when placed near a wall, as well as a 3-position HF trim switch. To ensure flexible connectivity, JBL included a balanced XLR input and a balanced 1/4″ TRS input, both of which feature dented level control. Other features include a selectable input sensitivity switch that ensures compatibility with a range of signal sources. The JBL 306P MkII ships with a power cord.