MB Quart Onyx Speakers are the perfect solution for those that are looking for a great sounding speaker that also looks fantastic. They features a high gloss piano black finish and a red progressive spider. They are available in 6.5", 5"x7", and 6"x9". Each set has the WideSphere tweeter for more accurate and details highs. They also match perfectly to the MB Quart Onyx car amplifiers.