Pa 400 Amplifier
Overview
Product sourcing insights & recommendations
I have analyzed the "PA 400 amplifier" market, identifying two distinct sectors: modern GaN-based Hi-Fi systems and vintage/commercial PA systems. The global power amplifier market is projected to reach $75.45 billion by 2030, driven by the adoption of high-efficiency Gallium Nitride technology which offers ultra-low distortion (0.003% THD+N) and compact designs.
For commercial applications, 6-channel mixer amplifiers with integrated wireless features are the current industry standard for retail and public address installations. I have also identified several top-rated professional amplifiers and manufacturers in the Jiangmen and Guangzhou regions that match these specifications.
The detailed report below covers technology shifts, consumer sentiments for major models like the SMSL PA400, and maintenance insights for legacy equipment.
I have completed the market analysis for PA 400 amplifiers. You can continue with:
Gan Power Amplifier 400w 500w Hi Fi Balanced Xlr
Products · 2 lists

Professional H4 2-Channel 400W Home Power Amplifier 2U Class H High Quality for Hi-Fi Audio and Home Party Use
Shenzhen Xingyatu Electronic Technology Co., Ltd.🇨🇳CN3 yrs
1U 2/4 Channel 400W Professional Power Amplifier Audio Amp for Conference Room PA Speakers Meeting Sound System
Enping Gaoma Audio Co., Ltd.🇨🇳CN1 yr
2-Channel Professional 2* 500W Class D GaN Digital Stereo Power Amplifier Hi-Res Audio 8 Ohm Aluminum
Harman International Holdings (Guangzhou) Co., Ltd.🇨🇳CN1 yr
Dual Channel 400W Power Amplifier in High Efficiency for Concert Sound System OEM ODM AF-2400 Factory Direct Supply
Enping City Lichuang Technology Co., Ltdverified🇨🇳CN1 yr
AUWAY E-4500 E Series GaN Technology Class D Digital Slim Lightweight Big Power 4-Channel Metal Amplifier Wide Voltage for
Enping Auway Audio Equipment Co., Ltd.verified🇨🇳CN4 yrs
Hot Selling MA500 2 X 500W Audio Amplifier Power China Manufacturer XLR Interface Input Power Amplifier Karaoke
Jiangmen Aoshen Electronic Technology Co., Ltd.🇨🇳CN7 yrs
Professional Guitar Amplifier and for Bass 4channel 800watts 2ohm 2u Class h Power Amplifier
Guangzhou Tianyin Electronic Technology Co., Ltd.🇨🇳CN7 yrs
High Performance Top Seller Manufacture 400Wx2 Professional Power Amplifier Powerful PA Amplifier With 2 Zones
Guangzhou Temeisheng Audio Technic Co., Ltd.verified🇨🇳CN6 yrs
Professional Power Amplifier 2x400W 2x800W 1x1600W 4 Ohm PA Amp with XLR Speakon for Live Sound Nightclub DJ

High Quality Hifi Dj Audio 500w Power 2 Channel Digital Power Amplifiers Integrated Professional Stereo Amplifier
Hangzhou Zhonghe Electronic Equipment Co., Ltd.verified🇨🇳CN10 yrs
Professional 4-Channel 900W Stereo/Parallel Audio Power Amplifier XLR Connectivity Portable Design for Pro Audio Applications
Guangdong Baolun Electronics Co., Ltd.verified🇨🇳CN2 yrs
CA4 Professional Audio Power Amplifier Class H Dual Channel 400W XLR Pro Audio 4 Ohm Stage Metal High Quality Stereo 20Hz-20kHz
Hong Kong Muses E-Commerce Co., Limited🇭🇰HK1 yr
1300 Watts Professional-Grade Audio Amplifier High-Performance 8ohm Impedance Metal Shell XLR 2-Channel Stereo/Mono Speaker
Guangdong Dragon Blood Investment & Operation Co., Ltd.🇨🇳CN2 yrs
GAP-604 600W*4 Channel High-Power Amplifier Stereo Sound System Class DJ Audio for Performance
Enping Green Audio Electronics Co., Ltd.🇨🇳CN8 yrs
Manufacture Professional Audio Sound Standard Amplifier 300 400 500 600W Class H 4 Channels Professional Power Amplifiers
Guangzhou Xinhe Audio Equipment Co., Ltd.🇨🇳CN9 yrs
Bekboes X4 2U 2 Channel Output Professional Power Amplifier Speaker AMP Hifi for Stage Perform
Enping Hongxinzhiyuan Trading Co., Ltd.🇨🇳CN4 yrs
CS3000 500w*2 CS4080 700W*2 Professional 2 Channel Digital Power Amplifiers Power Audio 2 Channel Amplifier
Shenzhen Engete Electronic Technology Co., Ltd.🇨🇳CN5 yrs
Two Channel 300W/400W/500W/650W Professional Power Amplifier
Guangzhou Prince Audio Co., Ltd.🇨🇳CN11 yrs
1U Class D 400w 500w 600w 700w 800w 900w 1000w 2 Two Channel Digital Audio Sound Paul Power Amplifiers Professional Japan
Foshan Dn Electronic Technology Co., Ltd.🇨🇳CN7 yrs
XS Series Professional Class H Power Amplifier 400W-1500W*2 High Power PA Amplifier 4/8 Ohms for Stage, Bar, KTV & Audio Systems
Shenzhen Chenxin International Trade Co., Ltd.🇨🇳CN2 yrs
4*650 Watt High Power GAN Power Amplifier Stable Working on 2ohm Digital Amplifier for Line Array Speaker System
Guangzhou Suiyu Technology Co., Ltd.🇨🇳CN8 yrs
400W 12V HiFi Power Amplifier Mini Audio Digital Stereo FM AMP
Shenzhen Wanweisi Technology Co., Ltd.🇨🇳CN6 yrs
KGUSS GU-X7 XLR Balanced Power Amplifier TPA3255 High Power 2.1 Channel Power Amplifier with VU Table XLR and RCA Output
Dongguan Queenway Century Technology Co., Ltd.🇨🇳CN8 yrs
100W 400-500MHz RF Power Amplifiers GAN Amplifier 50dBm 100W 500MHz 0.4GHz 0.5GHz Power Flatness <1dB 100W PA Wireless Module
Shenzhen Chipworld Electronic Technology Co., Ltd.🇨🇳CN5 yrs
Sound Equipment Power Amplifier 400watts Digital Class d 1u Amplifier 4CH Karaoke Amplifier
Guangzhou Xinbaosheng Audio Equipment Company Limitedverified🇨🇳CN12 yrs
GAP-K3000 HiFi Digital Power Amplifier High Fidelity Sound Quality Home Amplifier Support BT Wireless Audio Transmission
ENPING RECORDIO ELECTRONICS MANUFACTURER🇨🇳CN7 yrs
Ruihua Customizable Modules 50W GAN Module 400-500MHz Power Amplifier Module No Installation Required
Shenzhen Ruihua Communication Technology Co., Ltd.🇨🇳CN3 yrs
Power Amplifier Module 1000W Class D Professional for Subwoofer Speaker 40 Balanced Xlr Import
Dongguan Dalang Yangfan Qihang Electronic Firm🇨🇳CN4 yrs
Brand New Power Amplifier With High Quality
Jiangmen Demao Technology Co., Ltd.🇨🇳CN4 yrsDeep Dive · Full Report
Full Market Report
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Sources & References
26 sources cited · Verified industry data & reports
PA-400 Amplifier
www.cbgproaudio.com
PA-200/400/600 Amplifier · Technical Data and Feature: Stable Circuit Design with short circuit, overload, overheat protections etc. Best Amplifier Supplier / OEM or ODM Acceptable · Your Name: Your Review: Note: HTML is not translated! Rating: Bad Good Enter the code in the box below: Continue · Your shopping cart is empty! Welcome visitor you can login or create an account.
Amplifier PA-400 Ampl/Mixer Omnitronic Showequipment GmbH; ...
www.radiomuseum.org
Amplifier PA-400 Ampl/Mixer Omnitronic Showequipment GmbH; Waldbüttelbrunn., build 1996, 3 pictures, 31 semiconductors, Germany, schematics, tubes, Audio
SMSL PA400 Gallium Nitride Power Amplifier - Apos
apos.audio
SMSL PA400 Gallium Nitride Power Amplifier The SMSL PA400 GaN Power Amplifier delivers a rare mix of muscle and nuance. Built around gallium nitride (GaN) power transistors from Infineon, it pushes 600W of clean power while keeping distortion at a mere 0.003%. Pair it with your favorite DAC or preamp and you get detail, control, and effortless dynamics across any speaker system. The SMSL PA400 Gallium Nitride Power Amplifier delivers 600 W of ultra-clean HiFi power with Infineon GaN tech, balanced stereo/mono modes, and 0.003% THD+N. The SMSL PA400 GaN Power Amplifier delivers a rare mix of muscle and nuance. Built around gallium nitride (GaN) power transistors from Infineon, it pushes 600W of clean power while keeping distortion at a mere 0.003%. Pair it with your favorite DAC or preamp and you get detail, control, and effortless dynamics across any speaker system. At the heart of the PA400 is Infineon’s GaN power transistor, operating at an ultra-high 1MHz switching frequency. The result is full-band precision: bass that feels taught, mids that sound uncolored, and treble that stays smooth even at high volume. With a THD+N of just 0.003% and SNR of 115dB, you’ll hear silence where there should be silence and texture when the music calls for it. The PA400 can run in stereo balanced mode or XLR mono bridge mode, giving you flexibility depending on your system and space.
Omnitronic PA-400 Stereo Power Amplifier Manual | HiFi Engine
www.hifiengine.com
Stereo Power Amplifier · add a review · Power output: 110 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 40kHz · Total harmonic distortion: 0.05% Input sensitivity: 1V · Signal to noise ratio: 98dB · Speaker load impedance: 4Ω (minimum) Dimensions: 483 x 108 x 272mm · schematics - alija · P-1000 · P-1500 · P-500 · PA-240 ·
New from SMSL: PA400 Gallium Nitride Power Amplifier - Apos
apos.audio
The SMSL PA400 is a 600 W gallium nitride (GaN) power amplifier featuring Infineon transistors, 0.003 % THD+N, and 115 dB SNR—built for precision, power, and control. Project EclipseGMK KeycapsOfficial Bob Ross Keycaps & DeskmatsSignature Plastics KeycapsGrifiti Wrist Rests & Silicone BandsSound Solver Audio RacksAnkerPwnageAlpaca Keyboards ... DACsHeadphone Amplifiers & PreampsHeadphone Tube AmplifiersSpeaker/Power AmplifiersOp-AmpsVacuum TubesAudio CablesAccessories ... The SMSL PA400 is a fully-balanced GaN power amplifier built around Infineon gallium nitride transistors. At the core of the PA400 is Infineon’s gallium nitride (GaN) power stage. Operating at a 1 MHz switching frequency—roughly double that of most Class D designs—it handles musical transients with incredible accuracy while keeping switching noise well outside the audible band. The result is fast, controlled bass, open midrange articulation, and treble that stays smooth even at high volume. With a THD+N of 0.003 % and a 115 dB signal-to-noise ratio, the amplifier reproduces silence as silence and preserves the micro-texture of recordings that would normally vanish into the noise floor. The PA400 can operate as a balanced stereo amplifier or as a mono block in bridged configuration. In stereo mode, one chassis delivers linear, wide-band performance for critical listening environments. When run as a mono pair, total output power quadruples, giving ample current reserves for floor-standing speakers or large studio monitors. Switching between modes requires no internal modification—each configuration is clearly labeled on the rear panel for quick reference.
PA Series Dual-Channel 400W Power Amplifier | Capital Music Gear
www.capitalmusicgear.com
Offering outstanding versatility and longterm reliability, the PA series is a remarkable value for any installation application. Amplifier Gain: 34 dB Continuous Rated Power (1 kHz, THD 1%): 4 430 Watts Continuous Rated Power (1 kHz, THD 1%): 70v 430 Watts Continuous Rated Power (1 kHz, THD 1%): 8 215 Watts Continuous Rated Power (20-20 kHz, THD<0,2%): 4 400 Watts Continuous Rated Power (20-20 kHz, THD<0,2%): 70v 400 Watts Continuous Rated Power (20-20 kHz, THD<0,2%): 8 200 Watts Crosstalk: < < -75 dB DIM 30: < 0.1 % Frequency Response: 65Hz - 40kHz Impedance: 4/8 70V/100V Input Impedance (Bal The PA series of commercial power amplifiers is a favorite of installers everywhere for sound reinforcement, background music, paging, and public address systems. Featuring low-distortion amplifier electronics that are bridgeable for flexible power allocation, PA series amps provide a wide dynamic... To get notified when this product becomes available, click the button below. We'll send you an email when it's back in stock. Notify Me When Available · The PA series of commercial power amplifiers is a favorite of installers everywhere for sound reinforcement, background music, paging, and public address systems. You must be logged in to add to the wishlist.
