HM-12 80W*12 12 Channel Class D PA High 2U Power Public Address System Subwoofer Professional Audio Amplifier
VR1000 2 Channel 3000W Class D AMP Professional Audio High Quality Music Digital Class D Subwoofer 2u Power Amplifier
TX1000 Professional Audio, Video Professional Amplifier 1000 Watts Class D Power Amplifier 1000W AMP
PDA4800M Class D High Quality Subwoofer 800 Watts Stereo Karaoke 4 Channel Power Amplifier Professionals
PFA8000MLed Item Hot Selling Online Green Audio Power Professional Amplifier Speaker Amplifier 1500 Watts
PFA8000M 4-Channel 6000W Power Amplifier with Variable Power Supply, Green Audio Power, PFC, and Solid Aluminum Heat Sink
PFA1302 Home Professional Digital Audio Class D 2 Channel OLED Display Power 8Ω 1300W Amplifier Module
PFA6K 4000W Digital Power Amplifier, Dual 1350W Channels, Bridgeable, Class-D Circuitry, Ideal for Professional Audio Systems
PFA6K4 800W 4 Channel Digital Professional Audio Power Amplifier PFC Class D DSP Amplifier Sound Equipment/amplifiers/speaker
PFA6K4pro Hot Selling Products Home Professional Digital Audio Class D 4 Channel OLED Display Power 8Ω 800 Watt Amplifier Board
PAL750+CQ190 Professional 2 Way 400w Dsp Class D Switch Active Amplifier Module for Full Frequency Subwoofer Speaker
PDA1001+PRE (Full-range) China Manufacturer Good Quality 1200W Audio Sound Professional Active Amplifier Module
PDA1001+PRE (Full-range) China Manufacturer Good Quality 1200W Audio Sound Professional Active Amplifier Module
PDA4800+CQ380 Home Stage KTV Cinema Disco Professional Power Active Amplifier Module with Fan
PDA1300+CQ260D Premium Class D Power4Ω 800W Amplifier Module Board - Hardware Protection and DSP Included
PDA1001+CQ260D Manufacturing Supplies Products DSP Module Speaker Active Board Module Class D Amplifier 1200w
PDA3000 + CQ260D Active Speaker Amplifier Bass 1000w Power Amplifier Audio Amplifier Module 1000 Watt
PDA1300+801+CQ380 DSP Class D 3 Channel Active Speaker Power Amplifier Module Board 800w DSP Amplifier Module 3 Way and DSP
PFA2K4+CQ260ART Audio Active Speaker 1500 Watts Audio Amplifier Professional DSP Amplifier Module
PFA3002+260ART Amplifier Module for Active Speaker
The Performance Class D 2 Channels 400 Watts Powered Amplifier Module is engineered to deliver exceptional audio performance, high efficiency, and reliable power output for modern audio applications.
The 1000W Mono Channel Class D Professional Audio Sound Amplifier Module is engineered for high-power audio applications that demand exceptional performance, reliability, and efficiency.
PDA1300 Enhance Your Audio Setup: Class D 1300W Power Amplifier Module Board with Hardware Protection
PDA3000 Professional Audio, Video EMI Security Certification Class D 2 Channels 1500 Watts 1000w Plate Amplifier Module
PDA1001 Professional Audio, Video Class D High Quality Audio Single Channel 1000 Watts 1000w Power Amplifier Module
PDA280 Premium Class D 100W 2 Channel Amplifier Module: Fixed Frequency, Low Power Consumption, High-Quality Audio
DC150 150W Mono Channel Factory Wholesale Class d Professional Audio Power Amplifier Board Module Mini Amplifier for Home
PFA3002 Advanced Class D 3600W 2-Channel Amplifier Module: PFC, Power Audio Track Following, Green Audio Power
PFA3001 Circuit Hardware protection 2000 Watts Class D Single Channel PFC Amplifier Subwoofer Amp Module
PFA6000S Power Factor Correction PFC 2000 Watts Class D 2 Channels Active Spraker Amplifier Module 1350w
From cost-effective 300W dual channel amplifiers to high-performance2000W four-channel amplifiers, we offer it all.
From cost-effective 300W dual channel amplifiers to high-performance2000W four-channel amplifiers, we offer it all.
From cost-effective 300W dual channel amplifiers to high-performance2000W four-channel amplifiers, we offer it all.
From cost-effective 300W dual channel amplifiers to high-performance2000W four-channel amplifiers, we offer it all.
From cost-effective 300W dual channel amplifiers to high-performance2000W four-channel amplifiers, we offer it all.
From cost-effective 300W dual channel amplifiers to high-performance2000W four-channel amplifiers, we offer it all.
ART915-A Professional Active Loudspeaker DSP Control No Bluetooth for Multi-Scenario Use
PRX ONE Column Speaker System, Multiple Audio Source Control, Surround Sound Quality for Multi‑Scenario Applications
ART915-AX All‑in‑One Professional Active Speaker, ideal for stage performances, event sound reinforcement and conference speeches.
Requirements communication and technical confirmation
Sample development and verification
Production and quality control
Delivery and after-sales
Clarify performance and functionality
Confirm technical modifications
Business negotiation and contract signing
Design circuit and produce sample
Sample testing and adjustment
Customer confirms sample
Prepare for mass production
Production and multiple quality inspections
Product shipment
After-Sales Service
OMB founded in 2014, OMB is an innovative audio company dedicated to designing, manufacturing and distributing a wide range of professional audio products such as power amplifiers, processors and software for the professional audio market, primarily for fixed installation and touring applications. Since its inception, OMB Technology has been a leader in the audio field, representing passion, creativity and innovation in the marketplace.
2014
Founded in
30+
Field Development
27+
Patent
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SoundEngine Future - Immersive Acoustic System Solutions
Home Theater Case
Home Theater Case
A private client required a premium home theater system that could deliver cinema-level sound quality, high dynamic range, and long-term reliability within a modern residential environment.
Airport Case
Airport Case
Under the project of intelligent planning for the flight zone, the audio and video system of the Beijing Daxing Airport Operations Command Center has undergone comprehensive renovation.
Banquet Hall Case
Banquet Hall Case
A luxury hotel required a comprehensive sound reinforcement system for its multi-functional banquet hall.
High Speed Rail Case
High Speed Rail Case
Xuzhou East Station, Shangqiu Station, Beihai Station, Hangzhou Station, etc
Our Story Begins Here
Aug. 28, 2026
How Active Amplifier Modules Improve Speaker Performance
An Active Amplifier Module can improve a speaker system by combining amplification, signal processing, protection, and sometimes wireless connectivity in one integrated unit. Instead of sending a weak audio signal through a long speaker cable to a separate amplifier, an active module powers the speaker directly and allows the system to be designed around the exact driver and enclosure.
Aug. 28, 2026
Custom Active Amplifier Module Design Guide
Designing a custom Active Amplifier Module requires more than selecting an amplifier IC and adding a heat sink. We need to convert acoustic targets into electrical specifications, choose the correct topology, design the PCB and thermal system, validate EMC and safety performance, and establish a repeatable production process. In this Custom Active Amplifier Module Design Guide, I explain how OMB
Jul. 29, 2026
How Does an Active Amplifier Module Work?
If you are trying to improve signal quality, stabilize output, and reduce integration risk in an audio or electronic system, this guide will show you exactly how an Active Amplifier Module works and how to apply it step by step. At OMB, we focus on practical implementation, so you can move from theory to deployment quickly, with a clear method that improves gain control, minimizes distortion, and
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+86 138 0987 4978
+86 138 0960 5077
+86 133 8005 1648
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