Kappa's multi-channel mono and full-range amplifiers deliver the efficiency and power you expect from Class D amplifiers, and the performance you expect from Infinity. The all new EARL terminal and power adapter (5 channel and mono block) allow for easy installation and optimized performance. For the mono and 5-channel amp models, the remote bass control allows the user to increase and decrease the bass output independently of the head unit's tone controls. The industrial design not only provides a stylish appearance, but also improves power dissipation to ensure long-term reliability. Kappa amplifiers give you the power to shape your car audio experience in new ways..PZA MORE SPECS