Signal Processor Buyer's Guide

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Signal Processors Buying Tips
Determine which type of signal processor you need. Signal processors are primarily designed for two different functions: enhance the sound quality and adapt the signal for use in your system.

Signal processors range from quite simple to extremely complex. In many cases signal processors will combine various features into one unit. Choose a processors that at least fits your needs.

Not all signal processors are built with the same quality. There are three things to look for when determining build quality: Input voltage capability, signal-to-noise ratio and output voltage. Higher figures represent better quality.

Below are different features that are available.

Enhance sound quality: Signal processors that do this include the following features: crossovers, equalizers time alignment, Dolby and DTS multi-channel processing as well as ambient effects.

Adaptors: Signal processors that perform this function covert the audio signal from one format (typically from your stock radio) for use in an aftermarket system These different type of conversions include but are not limited to the following: high to low level, digital to analog, separated bandwidth to full range (for factory radio interface) and from low-level to low-level (factory radio to aftermarket RCA)