Alpine is one of the leading manufacturers of car audio and automotive navigation systems. It is an esteemed name in the business of high quality, high price in-car audio systems, which are popularly known as head units. This company is a subsidiary of Alps Electric Co., and is based in Iwaki-City, Fukushima Prefecture, Japan. It provides a diverse range of products such as amplifiers, speakers, subwoofers, and signal processing equipment. Alpine has manufactured various innovative products including the first automotive navigation system, first in-car computerized equalizer, first in-dash 3-CD changer, etc.

The Alpine CDA 7893 is a car CD player and radio receiver. It is one of Alpine's mid-range receivers that has powerful features packed into one unit. This receiver has an AM/FM receiver with 12 preset FM channels and 6 preset AM channel and CD player. In addition, the unit is XM Ready, so that the user can enjoy coast-to-coast high quality music with a satellite radio subscription.

The CDA-7893 is bundled with the Bass Engine Plus set of features such as 3-Color Display with Spectrum Analyzer, 3-Position HP/LP Crossover (12dB/Oct.), 4-Channel Digital Time correction and Media Xpander, which offers enhanced music quality while listening to the radio. It comes with a built-in 'V-Drive' amplifier that gives an out of 4 x 60 Watts. The receiver is also equipped with 3 pairs of RCA output for complete system expansion. The CDA-7893 even comes with a removable face place that prevents the receiver from getting stolen and can be adjusted virtually any angle setting for comfortable viewing.