Summary - 2025 BMW X3 (G45) Audio Amp (MARS Booster) Deep Dive Teardown
1 Min Read Oct 27, 2025
Discover the Alps Alpine MARS amplifier in the 2025 BMW X3, featuring digital processing and virtual 5.1-channel surround sound, analyzed in this Deep Dive report.

The audio system amplifier in the 2025 BMW X3 (G45) is manufactured by Alps Alpine. The model name for this amplifier is MARS. The MARS amplifier is installed as standard equipment in various X3 (G45) sound system configurations and uses digital technology to process and deliver audio signals to the vehicle's speakers. The amplifier known as "MARS Booster" is designed to deliver dynamic digital amplification. This advanced digital processing provides virtual 5.1-channel surround audio.
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