- Acoustic Correction Filters (Plug-and-Play)
- IS-Specific Subwoofer System | Carbon Fiber Cone Woofer
- Dedicated Subwoofer Amplifier w/ Gain Control Knob
- Pre-measured Quick-Sync Wiring Harness (no cutting / no splicing)
MADE-TO-ORDER 7-14 day lead-time
We are proud to offer our signature sound reproduction and seamless integration to the 3IS Owners (2014+ with or without Mark Levinson Audio). You can expect a dramatic improvement in clarity, dynamics and low-frequency reproduction.