Acoustic Field released free studio monitor emulator VST HPL2 Processor, HPL makes same mix balance to the speaker sound, even with headphones and earphones. A plug-in for HPL processing of 2ch stereo sound source has been completed.
HPL realizes it with headphone and earphone without losing its mix balance. It is not an effector that adds something and makes it pleasant. It is a conversion technology that aimed at only playing properly sound originally pleasant sound by headphone and earphone.
More Info: HPL2 Processor