AMP500H+7294: LP 400W+HP 100W Poweful Output with U-shaped Aluminum Radiator Class H Power Amplifier Module

NEWS AND BLOGS

• Oct,2026 28

  Class B Amp Explained: Efficiency, Crossover Distortion and Module Choices

  A 100 W Class B amp sitting at idle draws almost nothing and barely warms its heatsink. Feed the same circuit into a 4 ohm speaker and run it at one watt, and ...

• Oct,2026 21

  What Is a Class D Amplifier? Working Principle, Efficiency and OEM Design Basics

  Put your hand on the back of a 500 W powered speaker after an hour of playback. A Class A or Class AB design is usually too hot to touch; a Class D amplifier i...

• Oct,2026 19

  Which Amplifier Class Is Best for Sound Quality? A Practical OEM Guide

  Which Class Amplifier Is Best for Sound Quality? The Short Answer A product team is finalizing a 12-inch two-way powered speaker. One prototype uses a 500 W Cl...

• Oct,2026 14

  Class D Amplifier Sound Quality: What OEM Buyers Should Verify Before Mass Production

  A 500 W Class D amplifier module and a similar-power Class AB module dropped into the same 12-inch powered speaker behave very differently before anyone even s...

• Oct,2026 09

  Amplifier Class of Subwoofer: Class D vs Class AB and Class H Explained

  Short answer: the amplifier class used for subwoofers is Class D in nearly every powered design built today between roughly 200 W and 3 kW. Class AB still mak...