Plan Your Build with SMS Car Audio
Get the right product for your vehicle, audio goals, and installation needs before purchase.
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Description
ARC Audio PSM-PRO 6-In / 8-Out DSP Processor
The ARC Audio PSM-PRO is a compact standalone DSP processor for systems that need signal control, tuning flexibility, and integration support without using a DSP amplifier.
At SMS Car Audio, the PSM-PRO is used in custom car, truck, Jeep, motorcycle, and factory-integration builds where proper tuning, signal routing, and system control are important.
Key Features
- Compact standalone digital signal processor.
- 6-channel input configuration.
- 8-channel output configuration.
- Designed for DSP tuning, system routing, crossover control, EQ, and level matching.
- Compatible with iData Maestro AR integration.
- Useful for multi-amplifier systems and OEM integration builds.
Specifications
- Inputs: 6 channels plus SPDIF.
- Outputs: 8 channels.
SMS System Planning Notes
The PSM-PRO should be matched to the vehicle signal path, amplifier layout, speaker plan, wiring needs, and tuning goals.

