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.
Factory-direct power amplifiers available for private labeling, circuit customization, acoustic tuning and full OEM/ODM branding. Class D & Class TD platforms.
18000W 4-Channel 1U Class D amplifier with FIR DSP and Network Audio control.
Customizable
12600W 2-Channel 1U Class D PA Subwoofer Power Amplifier for professional audio systems.
Customizable
26800W 4-Channel Class D High Power Subwoofer Amplifier engineered for large-scale live sound and touring rigs.
Customizable
10000W 4-Channel Professional Audio Power Amplifier with PFC Switching Power Supply for stable, efficient performance.
Customizable
RMS POWER
20,000W
20000W 4-Channel Class D DSP Subwoofer Power Amplifier with Ethernet network control.
Customizable
20000W 4-Channel Class D DJ Subwoofer Power Amplifier for high-impact live sound and touring.
Customizable
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
H1-150W
Single-channel Class D plate amplifier module 150W output power at 8Ω 200W output power at 4Ω Stable operation with 4Ω speaker loads Compact dimensions for space-limited cabinets Lightweight design for convenient installation High-efficiency amplification with reduced heat generation Integrated volume control Complete protection system for reliable operation Suitable for full-range speakers and public address systems
H2800
Two-channel Class D amplifier module 2 × 800W output power at 8 ohms 2 × 850W output power at 4 ohms Integrated switching power supply and DSP processing USB and RS-485 DSP control Compact 332 × 160 × 100 mm installation dimensions Lightweight 2.75 kg construction High-efficiency cooling design Comprehensive amplifier protection system 110V and 220V power-supply versions Optional 90–265V AC wide-voltage PFC version Suitable for professional active loudspeaker cabinets Designed for OEM and ODM powered-speaker projects
H2650
Two-channel Class D amplifier module 2 × 650W output power at 8 ohms 2 × 700W output power at 4 ohms Integrated switching power supply and DSP processing USB and RS-485 DSP control Compact 332 × 160 × 100 mm installation dimensions Lightweight 2.75 kg construction High-efficiency cooling design High-pass filter and volume control Comprehensive amplifier protection system Suitable for a wide range of active loudspeaker cabinets Designed for professional PA, rental, installation, OEM, and ODM applications
H2450
Two-channel Class D amplifier module 2 × 450W output power at 8 ohms 2 × 500W output power at 4 ohms Integrated switching power supply and DSP processing USB and RS-485 DSP control Compact 332 × 160 × 100 mm installation dimensions Lightweight 2.75 kg design High-efficiency thermal management High-pass filter and volume control Comprehensive amplifier protection system Multiple operating-voltage options Suitable for compact active PA speaker cabinets
H3-215
Professional 3-channel Class D plate amplifier 4Ω output power: 1800W + 1800W + 900W 8Ω output power: 1500W + 1500W + 500W Integrated switch-mode power supply Built-in professional DSP processing USB, RS-485, and Ethernet network control Gain, delay, polarity, limiter, mixer, EQ, and crossover functions Compact installation dimensions with powerful output High-efficiency Class D amplifier design Comprehensive protection system Suitable for active three-way loudspeakers and professional PA systems Multiple operating-voltage options for international markets
H3
Three-channel Class-D DSP amplifier module 4Ω output: 1800W + 900W + 900W 8Ω output: 1500W + 500W + 500W Integrated Class-D amplifier, switching power supply and DSP High output power in a compact plate-amplifier design DSP control through USB and RS-485 Adjustable gain, polarity, delay, limiter, mixer, EQ and crossover Multiple protection circuits for reliable operation Suitable for three-way active speakers and line array systems Ideal for subwoofer and top-speaker combinations Multiple operating-voltage versions for international markets
H2L
High-efficiency Class-D amplifier technology Maximum output power up to 1,800W RMS Four models for full-range, subwoofer, and two-way speaker applications Integrated DSP processing USB and RS-485 control Compact plate design for convenient cabinet installation Efficient cooling system for reliable operation Multiple protection functions Three operating-voltage options Suitable for new active-speaker production and passive-speaker upgrades
H2S
High-efficiency Class-D amplifier technology Maximum output power up to 1,800W RMS Four models for full-range, subwoofer, and two-way speaker applications Integrated DSP processing and system protection Compact plate design for easy cabinet installation Lightweight construction with a net weight of 3.6 kg Efficient cooling system for stable operation USB and RS-485 DSP control Multiple operating-voltage options Suitable for new active-speaker production and passive-speaker upgrades
H2-250D
Two-channel Class-D plate amplifier module Standard output: 2 × 250 W at 8 Ω or 2 × 300 W at 4 Ω Optional bi-amp output: 250 W + 100 W at 8 Ω or 300 W + 150 W at 4 Ω Designed for two-way active and full-range loudspeakers Integrated professional loudspeaker DSP DSP functions include Mute, Polarity, Gain, Delay, Limiter, Mixer, EQ, and Crossover USB and RS-485 control Compact and lightweight embedded design Multiple operating-voltage options Comprehensive protection system Suitable for new speaker designs and passive-speaker upgrades Operating Voltage 110V version: 90V-135V / 220V version: 180V-265V PFC Version: 90V–265V
Custom Rolling Flight Case Workstation
Custom flight case workstation for the Behringer WING digital mixer Integrated mixer operating and transport platform Heavy-duty rolling flight case construction Elevated console support tray with protective side panels Adjustable support arm for a laptop, tablet, or external display Removable front and rear access panels Integrated side storage compartments Large internal storage area for cables and accessories Reinforced aluminum edge profiles Protective metal ball corners Recessed butterfly latches and carrying handles Heavy-duty caster wheels for convenient transportation Durable black textured exterior and interior panels Custom colors, logos, layouts, and configurations available OEM and ODM manufacturing services
Custom Rolling Flight Case Workstation
Custom-built flight case workstation for the MIDAS M32 digital mixer Integrated operating platform for convenient mixer control Heavy-duty reinforced flight case construction Durable black textured exterior panels Aluminum edge profiles for structural reinforcement Protective metal ball corners Recessed butterfly latches and carrying handles Front access panels for convenient equipment installation and maintenance Heavy-duty caster wheels for easy transportation Protective internal support system for the mixing console Suitable for touring, rental, installation, and live event applications Custom colors, logos, and internal configurations available
Custom Flight Case
Custom flight case workstation for the Behringer WING Compact mixer Integrated angled mixer support platform Protective foam padding around the mixing console Articulated laptop tray for convenient device positioning Side accessory storage compartment with hinged access panel Spacious lower compartment for additional equipment Reinforced aluminum edging and metal ball corners Heavy-duty butterfly latches and recessed carrying handles Durable black hex-pattern laminated panels Heavy-duty caster wheels for convenient transportation Removable and hinged panels for quick equipment access Suitable for touring, rental and professional production use
Custom Flight Case
Custom-built flight cases for professional equipment Equipment-specific dimensions and internal layouts Reinforced aluminum edging and protective metal corners Heavy-duty latches, hinges, and recessed handles Protective foam-lined interiors Pull-out drawers for tools, cables, and accessories Fold-out worktables available on selected models Casters available for convenient transportation Multiple exterior colors available Custom logos and identification plates available Suitable for OEM and ODM projects Designed for touring, rental, stage, studio, and installation use
Professional Equipment Flight Case
Professional flight cases for audio and stage equipment Reinforced aluminum edging and metal corner protection Durable laminated exterior panels Secure butterfly latches and recessed carrying handles Protective foam-lined interiors Equipment-specific compartments for organized storage Removable lids for convenient equipment access Pull-out drawers available on selected models Integrated rack spaces for wireless receivers and audio devices Casters available for easier transportation Custom colors and internal configurations available Suitable for frequent touring, rental, and installation use
Speaker Flight Case
Professional flight cases for PA speakers and subwoofers Suitable for 12-inch, 15-inch, and 18-inch speaker cabinets Individual and two-in-one case configurations available Removable lids and wheeled base trays for easier loading Internal dividers help separate and position the speakers Reinforced aluminum profiles improve structural support Protective metal corners safeguard vulnerable case edges Secure heavy-duty latches for reliable closure Recessed carrying handles for convenient handling Heavy-duty caster wheels for easier transportation Multiple exterior colors available Custom OEM and ODM configurations supported
LED Screen & Plasma TV Flight Case
Professional flight cases for LED screens and flat-panel televisions Available for 50-inch, 52-inch, and 62-inch displays Multi-slot case configuration for LED display panels Soft padded interiors protect delicate screens and surfaces Custom foam blocks provide secure equipment positioning Individual dividers help prevent contact between display panels Reinforced aluminum edging improves structural support Protective metal corners and durable flight-case hardware Secure latches keep the case closed during transportation Recessed handles for convenient loading and handling Heavy-duty caster wheels for easier movement Removable lids and panels provide convenient equipment access Multiple exterior colors available Custom OEM and ODM configurations supported
Lighting Flight Case
Professional lighting rental companies Concerts and touring productions Live performances and festivals Theatres and performance venues Nightclubs and entertainment venues Television and film production Conference and exhibition systems Houses of worship Wedding and event production Stage-lighting storage and transportation
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
