TCL Holdings, a Chinese company, purchased the Dual assets and brand, and began marketing its own products under the name. In 2002, Namsung Electronics, a Korean-American company, bought the rights to use the name in the Americas and has been selling low-priced (but generally well-reviewed) consumer electronics under the Dual marque since then.
Varies from year to year.
Yes, most cars come with extremely basic factory installed stereos with radio capability. Factory installed car stereos have changed over the year. The quality and features of the car stereos differs between manufacturers.
Cheap car stereos typically have very low bass and lack the "bump and thump" of more expensive car stereos. You can purchase nice car stereos online from websites such as Amazon, Best Buy and Walmart.
Intel.
clairon
The users reviews of Kenwood branded car stereos have been very good. Most of the reviews state that the sound on the stereos is of good quality, it has many features and is easy to install.
Truly, the best car stereos have clear, non-muddy bass, and crisp treble. Ask your car stereo dealer what he thinks, and he will usually give you an honest opinion.
Walmart probably has some of the cheapest prices on car stereos but price doesn't translate to quality. Crutchfield has some amazing deals on car audio equipment.
Craig's List or Ebay
There are many different brands of car stereos. Some of the more popular brands include: Pioneer, Boss, JVC, Kenwood, Alpine, Sony, Fusion and Clarion.
There are numerous brands that produce DVD car stereos. Some large names include Alpine, Bose, Clarion, JVC, Peerless, Pioneer, Sony, Sanyo, and Soundstream.
One can purchase a cheap car stereo by visiting the auction website eBay. This website sells both new and second-hand stereos. Anther store that sells cheap car stereos is Amazon.