QC35はCSR8670
https://www.reddit.com/r/bose/comments/7icwv0/qc35s_use_a_qualcomm_8670/
QC30も
https://assets.bose.com/content/dam/Bose_DAM/Web/consumer_electronics/global/products/headphones/qc30_product_page/QC30_product_page_reduction_3x2.psd/jcr:content/renditions/cq5dam.web.1000.1000.png