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ACO – Advanced CoProcessor for extended feature set
88 Total Q factor Qts 0
Exclusive use of high-quality components for best sound quality
Form follows performance
50” Installation diameter ø 142
BMW Harman Kardon S0688 G Gen RAM - Front Speaker & Subwoofer DSP Amplified Package | HELIX Ci7 / Ci5 m_Compose i3 ACO – Advanced CoProcessor forOverview Car Specific DSP Amplified Speaker and Subwoofer Upgrade Package This tested bundle of selected items was created specifically to upgrade the car's stereo using the HELIX COMPOSE system. It contains front, rear & surround FlexMount high end midranges and tweeters 2 FlexMount under seat subwoofers DSP Amplifier 6x FlexMount speaker adaper 6x FlexMount tweeter adapter 2x FlexMount subwoofer adapter 3x splits crossover radio amplifier module