Get superior quality sound with the Alpine CDA-9883 MP3 in dash receiver. Featuring a CD receiver with built-in amplifier, this Alpine in dash receiver produces an 18 watts RMS/50 peak x 4 channels sound output. Built with a fold-down, detachable face, the Alpine CDA-9883 can be attached on your dashboard easily and efficiently. Besides, this Alpine in dash receiver features a bass engine that produces a crisp, low tone to give you a punchy and clear effect. The audio also comes with a high-pass filter that helps passing high-frequency signals but reduces the amplitude of signals to render crisp, clear sounds that you enjoy listening to. Additionally, with mid and treble level adjustments, this MP3 in dash receiver allows you to tweak your sound to what suits you best. Moreover, this Alpine in dash receiver also supports an auxiliary input that allows you to attach your MP3 devices.