Excerpt: Why are most loudspeakers still rectangular boxes? The box is there mainly to stop energy from the rear of the drive units reaching your ears and messing up the stuff you're meant to hear; the shape of the box is generally to do with simplicity of manufacture. However, boxes have internal reflections, which can make them sound, well, boxy.
Pros: A big, powerful sound, free from the usual box effects, plenty of bass weight and excellent detail
Cons: Not exactly small, and not exactly cheap, need top-quality sources and amplification
Excerpt: Les technologies de pointe sont en perpétuelle évolution, l’enceinte Haute Fidélité aussi. En tant que maillon le plus sensible de la reproduction musicale, leur impact sur l’écoute finale ne peut pas être sous estimé.