Hard dome? Soft dome? Silk Dome? PEI Dome? What does all of this "Dome Stuff," mean? We help explain the differences.

Are you looking to add a subwoofer, but you don't know which size will be best? Is bigger always better?

The USA-230 and USA-630 have been staples in Custom Autosound's radio offering. Let's compare these two and help you decide which is best for your car.

Low-Profile subwoofers have become really popular due to the installation flexibility. Here's the ones worth buying and the one's worth skipping.

Class A? Class B? Class AB? Class D? What does this mean? Which one is better?

Should you wire your amplifier to a 1 ohm or 2 ohm load? What's the difference and why does it matter?

Are you deciding between the Custom Autosound USA-740 and the USA-630? We will explain the differences and give you our recommendation based on several factors.

Are you looking for better sound quality in your classic car? Do you want it to play louder and with more clarity? Adding an amplifier will help.

Trying to decide between Custom Autosound and Retrosound? What are the difference between the two radio companies? We explain the technology and mechanical differences between Custom Autosound vs. Retrosound.

Why is one 400 watt amplifier twice as expensive as another even though they are both made by the same company? We explain the differences and why some amps are twice the price of others, even though they are both "400 Watt Amplifiers"

Did your car not come with a radio? Do you want to keep your original radio in the dash, but you want to upgrade your audio experience? We break down the different options for a hidden radio and head unit.

Have you ever seen a 1000 watt amplifier that is super small and only costs $200. Why are other 1000 watt amps $1000? We explain power ratings and why they may or may not matter.