Established in 2002 Phil Jones Bass (PJB) and AIRPULSE Guitar Amps are divisions of Phil Jones American Acoustic Development. PJB is dedicated to using the latest technology in the engineering and design of compact bass amps and loudspeakers that achieve the highest in fidelity, volume, and reliability. The components used in PJB products set the standard in proprietary design. The end result of dedication to design and innovation is an amazingly articulated studio quality bass sound that PJB customers have come to rely upon. PJB owns several patents and awards for loudspeaker technology and bass amplification designs. In addition PJB has created valuable tools for the musician that include the Bighead( Micro-Headphone Amp & Pre amp, D/A interface), and PJB’s Full range Headphones with a Bass Centric frequency response from 20Hz-20KHz.