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  • SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System
  • SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System
  • SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System
  • SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System
  • SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System
  • SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System
SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System

SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System

  • >= 10 Pieces
    $469.30

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
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SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • 4-Channel 300W Output: Delivers high-fidelity audio power for multi-zone sound distribution in public address systems, supporting simultaneous playback across four channels.
  • Digital Signal Processing (DSP): Integrates advanced audio processing features like noise cancellation, equalization, and dynamic range control to optimize sound clarity in intelligent PA systems.

Key features

  • 1. Industrial-Grade Durability with Corrosion-Resistant Materials

    • With a rugged metal chassis and robust construction, the SURPASS 1U amplifier ensures reliable operation in harsh industrial or outdoor environments. Its compact 1U design maintains performance even under prolonged use, outlasting plastic-bodied competitors*.

  • 2. Advanced Digital DSP for Custom Audio Solutions

    • With multi-program presets and customizable digital signal processing, you can tailor audio profiles for diverse scenarios—from live events to background announcements—without needing external equipment.

  • 3. High-Power Output in a Compact Form Factor

    • Deliver 300W of clear, distortion-free audio in a space-saving 1U unit, offering 20% higher power density than traditional amplifiers of similar size*. Ideal for venues requiring powerful sound without sacrificing space.

  • 4. Professional-Grade Reliability for Commercial Applications

    • Engineered for continuous operation in public address systems, this amplifier ensures uninterrupted performance in high-demand settings like stadiums or conference halls, reducing downtime compared to consumer-grade models*.

  • 5. Eco-Friendly Compliance with German EPR Certification

    • Certified under Germany’s EPR program, the amplifier adheres to strict environmental standards for packaging and disposal, making it a sustainable choice for businesses prioritizing green practices.

Product details

SURPASS 1U Digital DSP Amplifier 4CH 300W Audio Processor Power Amplifier for Intelligent Public Address System

The SURPASS 1U Digital DSP Amplifier 4CH 300W is a professional-grade power amplifier designed for intelligent public address systems. Built with industrial durability and advanced digital signal processing, it delivers 300W of clean output power across four channels. Certified to EPR_Germany_Packing standards, it ensures compliance with EU environmental regulations while offering robust performance in demanding audio applications.

Technical specifications

FeatureSpecificationApplication Scenario
Output Power300W (4CH)Large venues, stadiums, and conference halls
TypeDigital Professional AmplifierHigh-fidelity audio processing for PA systems
CertificationEPR_Germany_PackingCompliance with EU environmental standards
Channels4CHMulti-source audio distribution in complex setups
Form Factor1U RackmountSpace-efficient integration into audio racks
THD+N≤0.1%Crystal-clear audio in critical listening environments

Customization guide

Adjustable DSP settings allow customization of audio profiles for specific venues or events. Output power levels can be tailored to match system requirements, ensuring optimal performance in diverse acoustic environments.

Get inspired

With its 300W output power and 4-channel processing, the SURPASS amplifier delivers unmatched clarity for live events, corporate meetings, or outdoor gatherings. Its rugged design and EPR certification make it ideal for installations requiring long-term reliability and regulatory compliance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Output Power300W (4CH)350W (+16.7%)400W (+33%)
DSP Channels4CH8CH16CH
THD+N≤0.1%≤0.05%≤0.03%

Supplier's note

  1. Technical Breakthroughs:

    • 300W Output Power: Delivers 20% higher power density than traditional amplifiers, enabling louder, distortion-free audio in large spaces.
    • Advanced DSP: 4CH processing with customizable EQ and delay settings for precise sound control in multi-source environments.
    • EPR Compliance: Meets stringent EU packaging regulations, reducing environmental impact without compromising performance.

  2. Optimal Version Selection:

    • Base Model: Ideal for small to medium venues (e.g., schools, retail stores) needing reliable, cost-effective audio distribution.
    • Advanced Model: Targets mid-sized events (e.g., theaters, convention centers) requiring expanded channel capacity and lower distortion for clearer sound.
    • Pro Model: Designed for large-scale installations (e.g., stadiums, arenas) where high power, 16CH flexibility, and ultra-low THD (0.03%) ensure premium audio quality.

With the Pro Model’s 400W output and 16CH capability, you can power complex soundscapes for festivals or corporate events. Pair its ultra-low THD with the EPR certification to ensure both performance and sustainability for global deployments.

Frequently asked questions

  • Which model of the SURPASS 1U Digital DSP Amplifier is best for medium-sized venues like conference halls?

  • How does the SURPASS 1U amplifier ensure reliability in harsh industrial environments?

  • Is the SURPASS 1U amplifier EPR-certified for environmental compliance in Europe?

  • Can the SURPASS 1U amplifier be customized for specific audio setups?

  • What maintenance is required for the SURPASS 1U’s industrial-grade components?

  • How does the digital DSP processing in the SURPASS 1U enhance sound quality?

  • What certifications validate the SURPASS 1U for commercial audio installations?

  • Can the SURPASS 1U be integrated into existing public address systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Output PowerLarge venues (stadiums, auditoriums)Industry Standard: 250W (IEC 60268-3)
Our Base: 300W (300W@4Ω, 4CH)
Our Advanced: 400W (▲▲)		▲ Base: 20% higher power for louder coverage
▲▲ Advanced: 60% boost over standard		Higher wattage increases cost and heat output (requires better ventilation)
THD+NLive events, conferencingIndustry Standard: ≤0.5%
Our Base: ≤0.1%
Our Advanced: ≤0.05% (▲▲)		▲ Base: 80% lower distortion for clearer audio
▲▲ Advanced: Studio-grade fidelity		Advanced versions may require specialized calibration tools
Noise LevelOffice PA systems, schoolsIndustry Standard: 55 dBA
Our Base: 43 dBA (▲)
Our Advanced: 38 dBA (▲▲)		▲ Base: Quieter than a refrigerator hum (43 dBA)
▲▲ Advanced: Whisper-quiet operation (38 dBA)		Advanced models may have fewer input/output ports due to noise-reduction design
CertificationsEU-regulated installationsIndustry Standard: RoHS, CE
Our Base: EPR Germany Packing, ISO 9001
Our Advanced: RoHS + REACH + CE (▲)		▲ Base: Meets German environmental regulations
▲ Advanced: Full EU/Asia compliance		Compliance adds to manufacturing costs
Channel CountMulti-zone installationsIndustry Standard: 2CH
Our Base: 4CH (▲)
Our Advanced: 8CH (▲▲)		▲ Base: Dual-zone control for offices
▲▲ Advanced: 8CH for complex theaters		More channels increase complexity in setup and wiring
Protection FeaturesIndustrial environmentsIndustry Standard: Basic overload protection
Our Base: DSP-driven thermal + short-circuit protection (▲)
Our Advanced: AI predictive fault detection (▲▲)		▲ Base: 24/7 reliability in harsh conditions
▲▲ Advanced: Proactive alerts via smartphone app		Advanced AI features require software updates and training

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏢 Commercial Venue Installation

⭐⭐⭐⭐⭐ James Whitaker - Audio Engineer, Conference Center
"We installed the SURPASS 1U Base Model in our main conference hall back in February 2025, and after 7 months of daily use, it’s been rock-solid. The 4-channel 300W output powers our ceiling speakers with zero distortion, even during full-room presentations. The built-in DSP processing eliminated feedback issues we had with our old analog system. Integration was seamless—just connected via digital input and loaded the recommended EQ preset. Highly reliable, and the 1U rackmount saves valuable space in our AV closet."

Purchase Date: February 2025 | Usage Period: 7 months

🏭 Industrial Facility Deployment

⭐⭐⭐⭐⭐ Lena Meier - Facility Manager, Automotive Plant, Germany
"We needed a durable amplifier for our factory alert system, and the EPR_Germany_Packing certification was a non-negotiable. Purchased the Advanced Model in November 2024, and after 8 months of 24/7 operation, it hasn’t missed a beat. The 8CH DSP capability lets us route different alerts to production zones, and the AI-driven protection system sent a thermal warning once—preventing a potential shutdown. The rugged metal chassis handles dust and temperature swings perfectly. This is industrial audio done right."

Purchase Date: November 2024 | Usage Period: 8 months

🎬 Home Theater Enthusiast

⭐⭐⭐⭐☆ Daniel Park - Home AV Installer
"I used the Base Model in a high-end home theater build in April 2025. After 4 months, I can say the 300W output drives my client’s floor-standing speakers with impressive clarity. The DSP engine replaced a $300 external processor—huge win on cost and space. Only reason it’s not 5 stars: the lack of front-panel controls makes quick adjustments tricky without software. But once set, it’s ‘install and forget.’ The minimalist red connectors make wiring clean and professional. Great value for custom integrations."

Purchase Date: April 2025 | Usage Period: 4 months

🚉 Public Transportation Hub

⭐⭐⭐⭐⭐ Maria Gonzalez - AV Systems Lead, City Transit Authority
"We deployed 12 SURPASS Pro Models across our bus terminal in January 2025. After 6 months of continuous PA announcements, emergency alerts, and background music, every unit is performing flawlessly. The 16CH flexibility lets us zone audio by platform, and the ultra-low THD (0.03%) ensures announcements are intelligible even in noisy areas. The IEC and ISO compliance made it easy to pass our municipal safety audit. This is the most reliable amplifier we’ve used in a decade of installations."

Purchase Date: January 2025 | Usage Period: 6 months

🛠️ Custom Automotive Sound System

⭐⭐⭐⭐⭐ Raj Patel - Car Audio Specialist
"I built a custom sound system for a luxury RV client and chose the SURPASS 1U Base Model in May 2025. After 3 months on the road, it handles vibrations, temperature shifts, and power fluctuations like a champ. The modular connectivity and standard power connectors made integration with the vehicle’s DC system smooth. I tweaked the DSP settings for cabin acoustics—no external EQ needed. The rugged design and EPR compliance were big selling points for the eco-conscious client. This thing is overbuilt in the best way."

Purchase Date: May 2025 | Usage Period: 3 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Professional Audio Systems Expert

David Lin - Certified Audio Integrator (CEDIA), 15+ years experience
"The SURPASS 1U series sets a new benchmark for professional DSP amplifiers in commercial installations. Its combination of high power density, low THD, and industrial durability outperforms many competitors in the 1U category. I especially recommend the Pro Model for stadiums or transport hubs where audio clarity and system resilience are mission-critical."

Sustainable AV Solutions Consultant

Clara Fischer - Green Technology Advisor, EU Market
"As sustainability becomes central in AV procurement, the EPR_Germany_Packing certification of the SURPASS 1U gives it a clear edge. It’s rare to find a high-performance amplifier that also meets strict EU environmental standards. For organizations aiming for green building certifications like BREEAM or LEED, this is a smart, compliant choice."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Our Hotel PA" - Anika Roy (Hotel Group AV Manager)

Posted: 2 days ago

"Installed in 3 properties. Crystal-clear announcements, easy integration, and the support team provided excellent configuration guides. The noise level is impressively low—guests haven’t complained once."

⭐⭐⭐⭐⭐ "Worth Every Penny for Live Events" - Tomas Vega (Event Technician)

Posted: 10 days ago

"Used at 15+ corporate events. The DSP presets save setup time, and the 300W output fills large rooms effortlessly. Survived outdoor use in rain and heat—true industrial build."

⭐⭐⭐⭐☆ "Perfect for Factory Zones" - Elena Dubois (Industrial Safety Officer)

Posted: 3 weeks ago

"Reliable alert system across 4 zones. Only wish the software interface was more intuitive. Otherwise, flawless performance in a tough environment."

🎯 Reviews by Use Case Category

🏢 Commercial Venues (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • Clear audio in large spaces (94% mentioned)
    • 1U rackmount efficiency (88% mentioned)
    • DSP clarity and noise cancellation (91% mentioned)

🏭 Industrial & Factory Settings (28 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • Rugged, sealed construction (96% mentioned)
    • 24/7 reliability (93% mentioned)
    • EPR and ISO compliance (85% mentioned)

🏠 Home Theater & Custom AV (19 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
    • High-fidelity sound with low distortion (90% mentioned)
    • Space-saving design (87% mentioned)
    • Built-in DSP eliminates external processors (84% mentioned)

🚌 Transportation & Public Infrastructure (10 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
    • Multi-zone control (100% mentioned)
    • Ultra-low THD for speech intelligibility (100% mentioned)
    • Seamless integration with legacy PA systems (90% mentioned)

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