- Multi-Channel 32-Bit DSP Power Amplifier
- O+ Signature Sound Reproductions
- NEW Vehicle-Specific 8″ Quad-Coil Subwoofer System
- Quick-Sync Wiring Harness
- Full Product Showcase on iWSTI.com
Made-to-Order 7 Day Lead-time
Our Guarantee: Unmatched clarity, deep bass reproduction and a complete transformation of your listening experience in a minimalist package fashioned specifically for your STI / WRX both in design and acoustics.