The Alpine PXE-C60-60 OPTIM™6 is Alpine’s advanced standalone digital sound processor designed to dramatically improve imaging, clarity, staging, and tonal balance in aftermarket and OEM-integrated audio systems. It combines high-resolution 96kHz/24-bit processing with Alpine’s AutoEQ 2.0 automatic tuning software to simplify DSP setup for both beginners and experienced tuners. One of the biggest advantages of the OPTIM6 is its automatic calibration capability. Using the Alpine smartphone app or PC software, the processor analyzes the vehicle’s acoustics and automatically applies EQ, crossover, time alignment, and tuning corrections. This makes it one of the easiest entry points into serious DSP tuning without requiring full manual RTA tuning experience. Key Features 6-channel digital sound processor Hi-Res Audio processing (96kHz / 24-bit) AutoEQ 2.0 automatic tuning Bluetooth® connectivity Smartphone & PC tuning control 31-band parametric EQ Digital time alignment Input/output routing Active crossover control Factory EQ correction (AntiEQ) High-level & RCA inputs 4V RCA outputs Compact chassis design Performance Specifications Frequency response: 20Hz–40kHz Processing resolution: 96kHz / 24-bit Output voltage: 4V RCA Signal processing: 31-band EQ Crossovers Time correction Channel mixing Input summing Compatible with external amplifiers Installation Notes Great for OEM integration systems Ideal with: Alpine Status systems Rockford Fosgate amplifiers Kenwood Excelon radios Sony ES systems PC tuning requires optional KTX-CSP1 measurement microphone for advanced calibration iPhone auto-tuning uses phone microphone via Bluetooth dongle included with processor