Commercial Sound Reinforcement and Stage Speaker Systems for High-Power Professional Dual-Channel Stereo Audio Power Amplifier
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Product Attributes
- Customization
- Available
- Type
- Professional Amplifier
- Usage
- KTV System
- Model NO.
- PS300
- Used For
- Professional
- Tube Type
- Transistor Amplifier
- Function
- Amplifier Combined
- Sound Channel
- 2.1
- Output Number
- 4
- Voltage
- AC 220V
- Element Number
- Monoamplifier
- Conductive Mode
- AB
- 8ω Stereo Power
- 300W*2
- 4ω Stereo Power
- 400W*2
- Sensitivity (Rated Power 8 Ohms)
- 0.775V
- Net Weight
- 6.5kg
- Payment Terms
- FOB/CIF/EXW
- Transport Package
- Durable Double Cartons or Flight Case
- Specification
- 308*485*44mm
- Trademark
- DOMC or OEM
- Origin
- Made in China
- HS Code
- 8518210000
- Production Capacity
- 10000pieces/Month
- Package Size
- 35.00cm * 55.00cm * 10.00cm
- Package Gross Weight
- 9.000kg
- Lead Time
-
15 days (1 - 1 Pieces)
To be negotiated ( > 1 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Commercial Sound Reinforcement and Stage Speaker Systems for High-Power Professional Dual-Channel Stereo Audio Power Amplifier
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Product Description



Product Name | PS300 | Harmonic Distortion (THD) (20Hz - 20kHz) | <0.5% |
Signal-to-noise ratio (below rated power 20Hz to 20kHz, A-weighted) | >100dB | Intermodulation Distortion (4:1 at 60Hz and 7kHz to -30dB) | ≤0.35% |
Slew rate | > 10V/us | Dimensions (length * width * height) | 308mm*485mm*44mm |
Voltage gain | 33dB | Frequency response (1W, 20Hz - 20kHz) | 0 dB, -1 dB Crosstalk (power rating): 1kHz: -75 dB |
Net weight | 6.5KG | Shipping Weight | 7KG |










Low distortion and high signal-to-noise ratio ensure clear, accurate sound reproduction.
Rugged 1U rack-mount design with efficient cooling supports long-term professional operation.
Ideal for stage, commercial audio, and sound reinforcement systems.



As a company with outstanding comprehensive capabilities, we not only possess professional integrated technical capabilities but also have independent R&D capabilities and have won numerous technology patents. In addition to providing professional customization and R&D services tailored to customer needs, we can also provide comprehensive support. "Creating the most beautiful sound for you."
Weifang Dongmei Audio Co., Ltd. mainly undertakes audio, lighting, and video system engineering projects for stadiums, theaters, hotels, multi-functional halls, conference rooms, lecture halls, nightclubs, KTV rooms, cinemas, exhibition halls, background music, television stations, performances, and various low-voltage integration projects. Our projects cover a wide range of fields, including national government agencies, large state-owned enterprises, stadiums, schools, star-rated hotels, and entertainment venues.
We always adhere to the philosophy of "quality first, service foremost" and continuously pursue excellence. Our team comprises experienced professionals with strong technical skills and extensive engineering experience. We will provide you with the most suitable audio-visual solution for your needs and safeguard your project.

A:This amplifier supports both 8Ω and 4Ω speaker loads, delivering stable and reliable output in stereo mode
A:Yes. The amplifier features a rugged design and efficient cooling system, making it suitable for long-term professional use.
A:Yes. With low THD and a high signal-to-noise ratio, it maintains clear and accurate sound even at high output levels.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2551921". Items marked "" are certified.
Company Profile
DOMC Audio Co., Ltd. is a comprehensive manufacturer specializing in the design, research & development, production, and sales of professional audio equipment. Today, DOMC has grown into one of the world's leading OEM/ODM manufacturers in the professional audio industry.
For more than 20 years, DOMC has been dedicated to professional audio solutions. Our main products include large-scale line array sound systems, professional stage loudspeakers, subwoofers, entertainment audio systems, power amplifiers, and complete sound reinforcement solutions. These products are widely used in concerts, churches, stadiums, theaters, bars, KTV venues, outdoor performances, and large commercial events.
DOMC operates a modern manufacturing facility equipped with advanced production equipment and a strict quality control system. Supported by an experienced R&D and engineering team, we have built strong expertise in OEM and ODM manufacturing. We not only provide production services for internationally recognized brands, but also offer high-quality customized solutions for distributors, contractors, and brand owners worldwide.
Benchmarking against world-class audio brands, DOMC continuously improves product design, acoustic performance, and reliability. We are committed to delivering professional audio products with outstanding sound quality, stable performance, and excellent cost efficiency, providing customers with premium alternatives to high-end international brands.
Today, DOMC products are exported to Europe, North America, South America, Asia, the Middle East, and Oceania. With reliable quality, professional service, and competitive factory-direct pricing, we have earned strong trust and recognition from customers worldwide.
Guided by the philosophy of "Survival through Quality, Development through Innovation, " DOMC continuously adopts advanced international technologies and management practices, striving to become a leading global manufacturer and supplier of professional audio products.
About Our Factory & Business Background
- Address
- East End, 3rd Floor, Office Building, Block a, Qingping Garden, Fudong Community, Qingchi Street, Weifang High Tech Zone, Shandong Province, Weifang, Shandong
- Terms of Payment
- T/T, Western Union, Credit Card
- International Commercial Terms(Incoterms)
- EXW, FOB, CIF
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month - Nearest Port
- Shandong Port Weifang Port.Co.,Ltd., Qingdao Port
-
Minimum Order Quantity
- 1 PCS
Our Production Capability & Technical Expertise
- Main Products
- Line Array, PRO Audio, Professional Audio, Sound System, Professional Stage Loudspeaker, Church Speaker
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
- Export Year
- 2024-05-06
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE, FCC
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