What Is Better — a 2-Ohm or 4-Ohm Amplifier?

When shopping for car audio systems or home subwoofers, you’ll often see amplifiers and speakers labeled 2 ohm or 4 ohm. Many people wonder which is “better.” The truth is, neither is universally better — it depends on your goals for power, sound quality, and system efficiency. Let’s break it down. Understanding Ohms and Impedance