Dual Channel DA-400 Power Amplifier & Subwoofer Amplifier for Professional Audio Systems
The Dual Channel 400W Power Amplifier [DA-400] from JJY Stage is designed for professional live sound, small event systems, commercial audio installations, and rental audio applications. As a trusted China manufacturer, JJY Stage delivers reliable and stable amplifier solutions for global B2B buyers including distributors, wholesalers, event companies, rental suppliers, and stage production businesses.
This professional subwoofer amplifier provides clear sound amplification, stable signal transmission, and balanced audio performance for professional sound systems. The DA-400 works efficiently with stage speakers, subwoofers, and amplifier speaker systems for indoor and outdoor applications.
The amplifier is suitable for conference halls, churches, clubs, DJ setups, wedding events, and small to medium-scale professional audio projects requiring reliable sound output and efficient performance.
Powerful Audio Features & Benefits
The DA-400 power amplifier is engineered for stable operation and long working hours in professional sound environments.
Professional Amplifier Features
- Dual channel 400W professional power output
- Stable and clear audio signal performance
- Balanced bass and vocal amplification
- Reliable cooling system for continuous operation
- Compact and durable amplifier structure
- Compatible with professional stage speakers and subwoofers
- Smooth sound amplification for live performances
This amplifier is suitable for subwoofer amplifier systems, commercial amplifier speaker projects, and complete professional audio setups. It delivers reliable sound quality for concerts, conferences, DJ performances, and event production.
The DA-400 Power Amplifier is also a suitable option for buyers searching for unit amplifier, 5 channel amplifier, and compact professional sound equipment solutions.
Compared with products like portable guitar amplifier, mini amplifier, and bass amplifier, the DA-400 provides more stable and professional audio performance for commercial event use.
OEM Factory & Custom Manufacturing Services
As an experienced OEM factory in China, JJY Stage provides customization and wholesale production support for international buyers.
OEM & Export Support
- OEM and ODM amplifier manufacturing
- Custom logo printing and branding support
- Front panel and packaging customization
- Wholesale supply for distributors and dealers
- Export packaging and global shipping services
- Technical support for professional audio projects
We support long-term cooperation with rental companies, importers, wholesalers, and stage production businesses worldwide. Our factory focuses on stable manufacturing, strict quality control, and reliable export service.
Specifications:
- Rated Power:
- Stereo: 400W @ 8Ω (1kHz); 600W @ 4Ω (1kHz)
- Bridged Mono: 800W @ 8Ω (1kHz)
- Power Control: -2 dB / -4 dB / -6 dB
- THD+N: <0.1% @ 1kHz, 4Ω; <0.05% @ 20Hz-20kHz, 4Ω
- Input CMRR: >95 dB
- Output Noise Floor: -103 dB
- Gain (Selectable): +32 dB / +35.75 dB / +38 dB
- Sensitivity (for 4Ω Load): +12.75 dBu / +9.75 dBu / +6 dBu
- Damping Factor (@ 1kHz, 8Ω): >400
- Frequency Response: 20 Hz – 20 kHz (+0 / -0.5 dB)
- Input Impedance (Balanced): 20 kΩ
- Dimensions (H × W × D): 88 mm × 483 mm × 430 mm
- Net Weight: 17 kg
Applications of DA-400 Power Amplifier
The DA-400 amplifier is widely used in professional audio applications such as:
- Conference and meeting room audio systems
- Churches and worship venues
- Clubs and DJ sound systems
- Wedding and entertainment events
- Rental and touring audio systems
- Stage production companies
- Commercial sound installations
- Professional live sound reinforcement projects
The amplifier works effectively with stage speakers and subwoofer systems to build complete professional audio setups for small and medium venues.
It provides stable sound performance for both indoor and outdoor event applications.
Why Choose JJY Stage
JJY Stage is a professional China manufacturer specializing in LED displays, stage lighting, and professional audio equipment for global B2B markets.
Factory Advantages
- Strong OEM and ODM manufacturing capability
- Competitive factory-direct pricing
- Strict quality inspection and testing system
- Fast production and export delivery
- Support for wholesale and bulk orders
- Reliable technical and after-sales support
We help customers build complete professional audio systems with reliable amplifiers, stage speakers, and commercial sound equipment solutions.
Contact JJY Stage Today
Looking for a reliable Dual Channel 400W Power Amplifier or professional subwoofer amplifier solution for your next project? Contact JJY Stage today for OEM customization, wholesale pricing, and global export support for professional audio systems.
FAQs – Dual Channel 400W Power Amplifier [DA-400]
Q1: What is the DA-400 power amplifier used for?
The DA-400 is designed for small to medium professional audio systems, including events, conferences, clubs, and rental sound setups.
Q2: Can DA-400 be used as a subwoofer amplifier?
Yes, it can work as a subwoofer amplifier for small bass systems and also supports full-range stage speakers.
Q3: Is DA-400 suitable for rental businesses?
Yes, its compact size and stable performance make it ideal for audio equipment rental and mobile sound systems.
Q4: Does it support stage speakers?
Yes, DA-400 works efficiently with stage speakers, monitors, and small line array systems.
Q5: Does JJY Stage offer OEM customization?
Yes, JJY Stage provides OEM/ODM services including logo printing, panel design, and export packaging.
Q6: Is DA-400 good for outdoor events?
Yes, it can be used for small outdoor events, weddings, and mobile DJ setups.
