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Amplified Boot Subwoofer Upgrade Package
AISA (Advanced Input Signal Analyzer) and InputEQ for easy analysis and correction of input signals
A solid stainless steel ring for mounting purposes or as a grille support ring
Slope subsonic / lowpass - Signal-to-noise ratio digital input - Signal-to-noise ratio analog input 112 dB (A-weighted) Distortion (THD) < 0
Mercedes C-Class W205 - Speaker & Subwoofer DSP Amplified Package | HELIX Ci3 m_Rolls Royce Amplified Boot Subwoofer Upgrade PackageOverview 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 PnP component speakers rear PnP coaxial speakers front PnP footwell subwoofers DSP amplifier radio specific amplifier T harness Upgrade method No factory amplifier > new amplifier integration How to shop To purchase or modify this bundle,