https://www.dirac.com/online-store/ e.g. https://www.dirac.com/online-store/denon-avr-avc-x3800h/ Use the code 30BCDM23 to get 30 % off Bass Control and Bundle licenses. 折扣有效期到 2024/01/15 特價折扣兩家都通用的........ Dirac Live Bass Control Single Subwoofer USD 349 Dirac Live Bass Control Multi Subwoofer USD 499 Upgrade from Single USD 169 Bundle Offer Single The bundle includes Room Correction Full Bandwidth Bass Control Single Subwoofer USD 649 Bundle Offer Multi The bundle includes Room Correction Full Bandwidth Bass Control Multi Subwoofer USD 799 明年如果再給你 Dirac Live Active Room Treatment 請再多付錢 Dirac Live 的花費都快要一台 AVR 了........