BOSE Speaker Amp. (ANC/ASE)
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
The BOSE speaker amp. is located on the underside of the rear parcel shelf, in the trunk.
Audio Operation
- The BOSE speaker amp. receives audio signals from AV control unit and outputs amplified audio signals to each speaker, tweeter, and subwoofer.
Active Noise Cancellation (ANC)
- The BOSE speaker amp. outputs out of phase audio signals to the speakers, tweeters, and subwoofers to cancel noise from the engine.
- The ANC algorithms for the BOSE speaker amp. use the RPM signal from the ECM and the ANC/ASE microphone signals to calculate the correct output signals to the speakers, tweeters, and subwoofers.
Active Sound Enhancement (ASE)
- The BOSE speaker amp. outputs audio signals to the speakers, tweeters, and subwoofers to enhance the sound of the engine.
- The ASE algorithms for the BOSE speaker amp. use the RPM signal from the ECM and the ANC/ASE microphone signals to calculate the correct output signals to the speakers, tweeters, and subwoofers.