Beta3 DA220 D-Class Power Amplifier: The Beta3 DA220 is a high-performance D-Class power amplifier designed for professional audio applications. It delivers exceptional power output, making it ideal for large venues and concert settings where high fidelity and reliability are critical. Equipped with advanced protection features, including over-temperature, under-voltage, and overload safeguards, the DA220 ensures safe and dependable operation in demanding audio environments. With its robust construction and adjustable gain levels, this amplifier provides precise and powerful sound reproduction for professionals who prioritize performance and durability. Key Features of Beta3 DA220: High Power Output: Stereo Mode: Up to 4760W per channel at 2Ω Bridge Mode: Up to 9520W at 4Ω for maximum power in large-scale applications Adjustable Gain Control: Selectable gain settings (41dB, 38dB, 35dB, 32dB) to match various system requirements. High Signal Quality: Excellent cross-talk isolation (≥90dB) and SNR (≥105dB), ensuring clear audio with minimal interference. Wide Frequency Response: Ensures accurate sound reproduction across a broad frequency range (20Hz–20kHz). Comprehensive Protection System: Protection against under-voltage, DC, over-temperature, and overload, plus a limiter for enhanced safety and longevity. High Damping Factor: With a damping factor of 5000, it provides excellent control over connected speakers, especially at low frequencies. Versatile Power Compatibility: Operates between 90~260VAC, 50/60Hz, for global usability. Specifications of Beta3 DA220: Power Output (Stereo Mode): 2Ω: 2 x 4760W 4Ω: 2 x 3400W 8Ω: 2 x 2000W Power Output (Bridge Mode): 4Ω: 1 x 9520W 8Ω: 1 x 6800W 16Ω: 1 x 4000W Output RMS Voltage: 126.5V Gain (Rated Power, 1kHz): Selectable options at 41dB, 38dB, 35dB, and 32dB Cross-talk: ≥90dB (20Hz-1kHz, below rated power) Frequency Response: Typical +0, -0.5dB (at 10% rated power, 20Hz-20kHz, 8Ω load) Input Impedance: Balanced: 20kΩ Unbalanced: 10kΩ Damping Factor: Typical 5000 (Ω, 20Hz-200Hz) Signal-to-Noise Ratio (SNR): ≥105dB (A-weighted, 20Hz-20kHz, 8Ω) Power Requirements: 90~260VAC, 50/60Hz Protection Features: Under-voltage, DC, over-temperature, overload, and short-circuit protection with limiting features. Dimensions: 483 x 45 x 370mm (Width x Height x Depth) Net Weight: 9 kg The Beta3 DA220 is engineered for reliability and precision, making it suitable for professional-grade setups requiring robust power and versatile safety features
