The Dayton Audio B452 4-1/2 2-Way Bookshelf Speaker Pair in black is what you need to give your audio system an upgrade. With a shape of 2-way, the system configuration is a 2.0 system. The speaker is wired and has raw cable jack as audio inputs. With a weight of 3856 g, these bookshelf speakers are 13.5 inches in length, 11.7 inches in height, and 8.1 inches in width. They fit perfectly on walls and bookshelves thanks to the wall and bookshelf features. The speakers provide an RMS power of 30 W.