Case Studies
Explore how Haozhiseng Audio powers real-world installations — from concert stages and stadiums to theaters, banquet halls and commercial venues across 60+ countries.
60+
Countries
Served
20+
Years
Experience
5
Published
Cases
How to Use FIR on the HA-DSP1804 Power Amplifier: Step-by-Step Speaker Correction Tutorial
How to Use FIR on the HA-DSP1804 Power Amplifier: Step-by-Step Speaker Correction Tutorial Modern professional sound systems require more than high amplifier power. Accurate loudspeaker processing, predictable phase response and consistent system performance are equally important. The Haozhiseng Audio HA-DSP1804 combines four-channel high-power amplification, advanced DSP processing with FIR filtering, a PFC wide-voltage power supply […]
What Is PFC in a Power Amplifier—and Why Is It the Future of Professional Audio?
What Is PFC in a Power Amplifier—and Why Is It the Future of Professional Audio? When choosing a professional power amplifier, most buyers compare output power, channel count, sound quality and 2-ohm performance. However, one of the most important parts of an amplifier is often overlooked: its power supply. At concerts, outdoor festivals, nightclubs and […]
What Is a Bridged Amplifier? How Bridge Mode Works in Professional Power Amplifiers
What Is a Bridged Amplifier? How Bridge Mode Works in Professional Power Amplifiers Bridge mode, also known as BTL (Bridge-Tied Load) operation, is an amplifier operating mode that combines two amplifier channels to drive a single loudspeaker or speaker system. Unlike normal stereo operation, the speaker is connected between the active outputs of two amplifier […]
How to Configure Bridge Mode on a Professional Switching Power Amplifier
How to Configure Bridge Mode on the Haozhiseng Audio HA10KQ 4-Channel Switching Power Amplifier Today, we will explain how to configure the Bridge 1+2 and Bridge 3+4 functions on the Haozhiseng Audio HA10KQ four-channel switching power amplifier. HA10KQ Output Power The HA10KQ is a four-channel switching power amplifier with the following stereo output ratings: Load […]
How to Set Gain and VCL on Haozhiseng Audio HA10KQ and HA14K Power Amplifiers
How to Set Gain and VCL on Haozhiseng Audio HA10KQ and HA14K Power Amplifiers When a power amplifier has a higher output rating than the connected loudspeaker, proper system configuration is essential. Gain and VCL settings can help match the amplifier’s input sensitivity and manage output voltage according to the loudspeaker’s power-handling requirements. This guide […]
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Case Studies
Real-world deployments of Haozhiseng Audio OEM/ODM solutions -- from concert halls and stadiums to commercial installations across North America, Europe and South America.
Aug 13, 2026
How to Use FIR on the HA-DSP1804 Power Amplifier: Step-by-Step Speaker Correction Tutorial
How to Use FIR on the HA-DSP1804 Power Amplifier: Step-by-Step Speaker Correction Tutorial Modern professional sound systems require more than...
View Case Study
Aug 12, 2026
What Is PFC in a Power Amplifier—and Why Is It the Future of Professional Audio?
What Is PFC in a Power Amplifier—and Why Is It the Future of Professional Audio? When choosing a professional power...
View Case Study
Aug 10, 2026
What Is a Bridged Amplifier? How Bridge Mode Works in Professional Power Amplifiers
What Is a Bridged Amplifier? How Bridge Mode Works in Professional Power Amplifiers Bridge mode, also known as BTL (Bridge-Tied...
View Case Study
Aug 9, 2026
How to Configure Bridge Mode on a Professional Switching Power Amplifier
How to Configure Bridge Mode on the Haozhiseng Audio HA10KQ 4-Channel Switching Power Amplifier Today, we will explain how to...
View Case Study
Aug 5, 2026
How to Set Gain and VCL on Haozhiseng Audio HA10KQ and HA14K Power Amplifiers
How to Set Gain and VCL on Haozhiseng Audio HA10KQ and HA14K Power Amplifiers When a power amplifier has a...
View Case StudyReady to start your OEM/ODM project?
Factory-direct pricing · 3-7 day lead time · 18-hour support