Nissan X-Trail e-POWER 2023 Owners Manual
8.39. Active noise cancellation/Active sound enhancement
To operate the active noise cancellation and active sound enhancement system properly:
Do not cover the speakers or woofer.
Do not cover the microphones.
Do not change or modify speakers including the woofer and any audio related parts such as the amplifier.
Do not make any modification including sound deadening or modifications around the microphones, speakers or woofer.
Owners Manual