Sinbosen's Latest SR Series Ultra-Quiet Home Theater Power Amplifier
At the exhibition, you can personally experience this amplifier's stable performance at a low 2Ω impedance, its ultra-quiet operation, and its pristine sound quality. Whether for home theaters, line array systems, or venues such as bars, cinemas, and sports stadiums—or indeed any setting requiring audio equipment—this presents an excellent opportunity for a firsthand experience.
| SR4-3200 | SR2-4500 | SR4-1800 | |
| Output Power: | 4 × 3200W / 8Ω (RMS) | 2 × 4500W/8Ω (RMS) | 4 × 1800W/8Ω (RMS) |
| 4 × 5500W / 4Ω (RMS) | 2 × 8000W/4Ω (RMS) | 4 × 3000W/4Ω (RMS) | |
| 4 × 6000W / 2Ω (RMS) | 2 × 7000W/2Ω (RMS) | 4 × 3800W/2Ω (RMS) | |
4 × 7000W / 2Ω (20ms burst) | 2 × 8500W/2Ω (20ms burst) | 4 × 5600W/2Ω (20ms burst) | |
Frequency Response | 20Hz–20kHz, +0/-1dB | ||
Total Harmonic Distortion (THD) | <0.5%, 20Hz–20kHz | ||
Intermodulation Distortion (IMD) | <0.05% | ||
Slew Rate | 50 V/µs @ 8Ω | ||
Damping Factor | >1000 @ 20–200 Hz | ||
Signal-to-Noise Ratio (SNR) | >110dB | ||
Gain Selection | 32dB / 35dB / 38dB / 41dB | ||
Product Core Advantages
1. Ultra-Quiet Cooling System: An Experience of Extreme Low Noise
Featuring an all-new ultra-quiet cooling system and a design engineered for minimal heat generation, the unit remains quiet and stable even during prolonged operation under heavy loads. With a signal-to-noise ratio exceeding 110dB and total harmonic distortion below 0.5%, it delivers pure, flawless audio performance.
2. Stable 2Ω Drive Capability: The Ideal Choice for Line Array Systems
The entire series boasts reliable 2Ω drive capability—remaining stable even at impedances as low as 1.5Ω—making it the perfect partner for line array loudspeaker systems. The SR4-3200 delivers a massive 4×6000W RMS of power at 2Ω, while the SR2-4500 reaches an impressive 2×7000W RMS, meeting the rigorous demands of large-scale live performances and cinema environments.
3. Advanced Patented Amplification Technology: Multiple Protection Mechanisms
Equipped with multiple patented amplification technologies from Sinbosen, the unit features short-circuit protection, wide-voltage adaptability (100V–240V), and the ability to operate stably over extended periods in high-temperature environments, ensuring the equipment remains safe and reliable under any operating condition.
4. Professional Interface Configuration: Flexible and Easy to Maintain
Standard features include a detachable 32A PowerCON power cable, four NL4 output connectors, and one NL8 output connector—all utilizing genuine Neutrik components. The modular design facilitates easy on-site maintenance and servicing.
5. Energy-Efficient and Eco-Friendly: Universally Compatible
With a wide-voltage adaptive range of 100V–240V and universal 50–60Hz compatibility, the unit combines low power consumption with high efficiency, truly embodying green, energy-saving design principles.
6. Optional DSP Module Integration
The DSP SR series utilizes German ALLDSP software to deliver powerful digital audio processing capabilities. It supports precise loudspeaker management functions—including equalization, delay, crossover filtering, and limiting—making it the ideal core component for complex audio systems.
Applications:
| Home Theater | Ultra-quiet design for an immersive, distraction-free viewing experience | ||
| Line Array Systems | Stable 2Ω drive capability, high-power output, and performance-grade delivery | ||
| Bars & Nightclubs | Stable and reliable operation under continuous, heavy-load conditions | ||
| Cinemas | Ultra-low distortion, faithfully reproducing the intricate details of original film soundtracks | ||
Stadiums & Live Events | Long-term stability in high-temperature environments, capable of handling extreme operating conditions | ||
At the exhibition, you can personally experience this amplifier's stable performance at a low 2Ω impedance, its ultra-quiet operation, and its pristine sound quality. Whether for home theaters, line array systems, or venues such as bars, cinemas, and sports stadiums—or indeed any setting requiring audio equipment—this presents an excellent opportunity for a firsthand experience.
