The IS31AP4913 is a stereo headphone driver designed to allow the removal of the output DC-blocking capacitors for reduced component count and cost. The IS31AP4913 is ideal for small portable electronics where size and cost are in concerns. The IS31AP4913 also features 3D and bass enhancement which can be externally adjusted by a simple RC network. IS31AP4913 is available in QFN-20 (3mm x 3mm) packages. It operates from 2.7V to 5.5V over the temperature range of -40°C to +85°C.