Blackstar has released the id:core v4 series of amplifiers, which includes the stereo 10, stereo 20, and stereo 40 models. These amplifiers appear to be geared towards beginners and experienced players alike, offering a range of features for practice and home studio recording. The id:core v4 series has been updated with new features, including a single-watt bedroom setting, although the exact details of the updates are not entirely clear.