Our high power shielded surround sound speaker, with its pivoting mounting bracket, is perfectly suited for corner and/or wall mounting. It has two 4-inch aluminum/magnesium cone woofers (one passive) and a titanium tweeter. It features a 60 watt RMS with a 100 watt maximum. It offers a frequency response of 80 to 20,000 Hz. The SP-400 has a black housing and mounting bracket. Alternatively, it is also offered in white as model number SP-400W.