20+ years engineering power amplifiers, professional speakers and line array systems. Your one-stop factory partner for global audio brands, distributors and integrators.
20+
Years R&D
Experience
60+
Export
Countries
50
In-House
Specialists
Founded in Guangzhou, Haozhiseng Audio has spent over two decades mastering the art of professional audio manufacturing. Our 50-member team brings deep expertise in R&D, circuit design, acoustic tuning and full-chain production management.
Trusted by brands across 60+ countries, we deliver factory-direct quality with the flexibility to support everything from custom samples to high-volume OEM/ODM orders.
20+
Years Experience
In-house R&D and manufacturing since 2004
60+
Countries Served
North America, Europe and South America
50
Specialists
Dedicated engineering and production team
18h
Daily Support
Online service for global customers
Engineered for professional installations, events and global audio brands.
High-performance professional amplifiers engineered for reliability, efficiency and superior audio fidelity in demanding live and installed environments.
3-7days
Lead Time
2yr
Warranty
60+
Countries
Full-range professional loudspeakers designed for concerts, theaters, stadiums, banquet halls and permanent commercial installations.
Scalable line array solutions delivering precise sound coverage for large venues, outdoor events and fixed installations worldwide.
Inquire NowPrecision-engineered DSP plate amplifier modules for active speakers, subwoofers and line array systems. Full OEM/ODM customization available -- from circuit design to private labeling.
Single-channel DSP plate amplifier module engineered for full-range active speaker cabinets. Compact form factor with integrated digital signal processing for precise acoustic tuning.
Dual-channel Class D DSP amplifier module (H155S) purpose-built for active speaker cabinets. High efficiency topology with advanced DSP control for superior sonic performance.
2.1-channel DSP plate amplifier module optimized for passive subwoofers and line array systems. Delivers powerful low-frequency performance with precise crossover and DSP management.
Custom amplifier modules for your brand.
Private labeling · Circuit customization · Acoustic tuning · Fast delivery
HA1804
1. 4 × 1800W @ 8Ω / 4 × 2800W @ 4Ω / 4 × 4500W @ 2Ω 2. High-Efficiency Class D Power Amplifier 3. Lightweight 1U Rack-Mount Design 4. PFC Wide Voltage Input: 90V–260V 5. Function Indicators & Short-Circuit Protection
HA10kQ
1.Efficient cooling system, pure copper heatsink 2. Brand new 3300uf capacitor 3. Neutrik input and link connectors 4. PFC power supply 5. 4x2500W 2 ohms Stable 6. 100% pure copper heatsink 7. ON transistors 8. Voltage Version: 90V-260V 220V Version: 130-265 V / 110V Version: 65- 135 V selectable
HA43K2
1. 2x4300W 8 ohms; 2x7900W 4 ohms; 4x8600W 2 ohms 2. Stable at 2 ohms long-term load 3. SiC MOSFET delivery high efficiency and stable performance 4. 90 to 265V voltage power supply with PFC 5. High power output and high fidelity
HA32k4
1. 4x3200W 8 ohms; 4x5200W 4 ohms; 4x6700W 2 ohms 2. Stable at 2.7 ohms long-term load 3. SiC MOSFET delivery high efficiency and stable performance 4. 90 to 265V voltage power supply with PFC 5. High power output and high fidelity 6. Voltage Version: Worldwide: 90V-260V
HA20KQ
1.4x2100W at 8 ohms, 4x4000W at 4 ohms 2. innovated high-efficiency cooling system with special design for fast cooling 3. DSP function: Mute, Polarity, Gain, EQ, Xover, Limiter. 4. Super power; compact circuit inside, high efficiency and lightweight 5. PFC power supply 6. worldwide: 90V-265V ; 100-120V-50-60Hz or 200-240V-50-60Hz
HA20K
1. 4x2100W at 8 ohms, 4x4000W at 4 ohms 2. advanced cooling heatsink design 3. 20000W class d amplification stage 4. PFC power supply 5. worldwide: 90V-265V ; 100-120V-50-60Hz or 200-240V-50-60Hz
HA-DSP1804
1. 4 x 1800W at 8Ω, 4 x 2800W at 4Ω, 4x4500 at 2Ω 2. 90 to 260V voltage power supply with PFC 3. Advanced DSP Processing with FIR 4. Network Audio Integration 5. Easy Installation & Control
HA2402
HA2402 delivers powerful 2-channel Class D performance with 2 × 2400W at 8Ω, 2 × 4100W at 4Ω, and 2 × 6300W at 2Ω. Its compact 1U rack design, high-efficiency amplification, function indicators, short-circuit protection, and long-term 2Ω stable operation make it ideal for professional PA subwoofer systems, live sound, and fixed installations.
Need a custom OEM/ODM product?
Factory-direct pricing · 3-7 day lead time · 60+ countries served
Explore our full product catalogue.
Factory-direct pricing · Fast lead times · Full OEM/ODM customization available.
Full circuit design, acoustic tuning and tooling development under one roof -- ensuring stable quality and cost efficiency.
3-7 day standard lead time for bulk orders. 50 amplifiers within 5 days. Trial samples and custom runs supported.
100% full inspection before every shipment. Aging tests and acoustic performance verification on every unit.
Products meet international safety and electrification standards for North America, Europe and South America.
Official 2-year warranty on all products with lifetime technical support included for every client.
50-member professional team with 18-hour daily online service supporting global clients across all time zones.
From custom samples and small trials to large-volume mass production -- flexible capacity for every stage of your business.
Eliminate middlemen. Factory-direct pricing ensures the best value for your supply chain and long-term cost savings.
Every product follows a rigorous multi-stage manufacturing workflow -- from raw materials to final shipment.
Manufacturing Flow
Manufacturing Flow
Incoming QC
Material inspection
Assembly
Process monitoring
Aging Test
Performance verified
100% Inspected
Ready to ship
We offer complete OEM and ODM solutions tailored to your brand. From private labeling and custom enclosure design to full acoustic tuning and compliance documentation -- we handle every detail so you can focus on growing your brand.
Start Your ProjectYour brand, logo and identity on every product.
Enclosure colors, shapes and panel layouts.
Professional DSP and acoustic optimization for your spec.
CE, FCC and market-specific certifications prepared.
OEM/ODM Process
Share your requirements, specs and target market.
Custom design, prototyping and sample approval.
Full-chain manufacturing with QC at every stage.
Inspection, packaging and fast global shipping.
Haozhiseng Audio has built a strong reputation across North America, Europe and South America. Our products power concerts, installations and commercial venues from the USA to Germany, Mexico to Turkey.
North America
USA · Mexico · Guatemala
Europe
Germany · Spain · France · Italy · Turkey
South America
Venezuela · Dominican Republic · + more
Pro Audio Brands
Distributors & Wholesalers
Event Production Companies
System Integrators
Large Retailers & Cross-Border Sellers
From intimate theaters to massive outdoor festivals -- our systems deliver.
Line array systems deployed for large-scale outdoor festival with 10,000+ audience capacity.
Germany · 2,000-Seat Venue
Custom professional speaker arrays installed in a 2,000-seat performing arts theater in Germany.
High-power amplifier arrays delivering uniform coverage across a multi-tier sports stadium.
Luxury Event Venue
Discreet ceiling and wall speaker installations for a luxury event venue requiring pristine audio clarity.
Commercial Install -- Turkey
Long-term fixed installation for a multi-floor retail and entertainment complex in Istanbul.
Tell us about your venue, project scope and requirements. We'll provide a tailored solution and quote.
CE
Europe
FCC
USA
RoHS
Compliance
ISO 9001
Quality Mgmt
ETL
North America
WEEE
EU Directive
Additional certifications available upon request. Contact us for market-specific compliance documentation.
Tell us about your requirements and we'll get back to you within 18 hours. Factory-direct pricing, flexible MOQ and full customization available.
18-Hour Response
Daily online service for global clients
Detailed Quotation
Itemized pricing with specs and lead time
Full Customization
OEM/ODM from sample to mass production
Phone
+86 188 9849 8996Address
Room C3585, 3F, No. 22, Lane 7,
Yongtai Zhihe St, Yongping St,
Baiyun District, Guangzhou
