These Bang & Olufsen speakers are high-end subwoofer stereo speakers with admirable sound quality. The Bang & Olufsen Beovox RL 140 main speakers have a frequency range of 40 Hz to 20 kHz that efficiently produce crystal-clear and crisp sound. The other technical details of these Bang & Olufsen speakers include a frequency response of 40 Hz to 20 kHz, sensitivity of 93 dB for loud and powerful sound for a wide range, a one-inch tweeter to reproduce high-frequency sound clearly, and impedance of 8 ohms for error-free audio irrespective of power fluctuations. These stereo speakers are light in weight at around 14.9 kg (525 oz) and easy to handle, as well as easy to set up. With less distortion, loud and clear sound, error-free audio, and a stunning design, these Bang & Olufsen speakers are a suitable package for a home theater. The Bang & Olufsen Beovox RL 140 main speakers have dimensions equal to a width of 50.01 cm (19.69 inches), depth of 24 cm (9.45 inches), and height of 70 cm (27.56 inches).