A BLAUPUNKT 520 AM/FM radio with single-disc CD player is fitted as standard equipment to all Astra models, including the convertible. The premium audio system has six speakers with a total output of 80 watts, which are located in the front doors and rear side panels, with tweeters at the base of the A-pillar (on the inside of the mirror housings). Remote controls for the audio system are located on the steering wheel, operating volume, preset station search, seek and mode (radio or CD) functions.