Review summary: These Active Stereo Classroom Speakers produce a powerful and high-quality sound with the benefit of an in-built power amplifier. The 5.25″ bass driver and 1″ Neodymium dome tweeter configuration are suitable for music and voice amplification, with a vented designed to reduce heat and improve performance. Active Stereo Classroom Speakers-2 X 20w review … Continue reading Active Stereo Classroom Speakers-2 X 20w review