Product Description:
The CS-21000 is a professional 2-channel Class-D digital power amplifier delivering a powerful 2×1000W RMS @8Ω. Designed for high-demand audio reinforcement systems, it features a compact 1U rack-mount chassis with an LCD display and high efficiency. The amplifier supports stereo, parallel, and bridge modes, providing flexibility for different sound setups. With advanced switching power supply, balanced XLR inputs, Speakon outputs, and full circuit protection, it’s ideal for live sound, installations, and touring.

Key Features:
• 2×1000W RMS @8Ω Class-D digital amplifier
• 1U rack-mount design with compact and lightweight construction
• Green technology with 85% power efficiency
• Supports stereo, parallel, and bridge output modes
• Balanced XLR inputs and Speakon outputs
• Compatible with 8Ω, 4Ω, and 2Ω speaker loads
• Advanced protection: soft start, clip, overload, short circuit, overheat
• Front-to-back ventilation system for optimal cooling

Specifications:
• Model: CS-21000
• Amplifier Class: Class-D
• Output Power:
 - 8Ω: 2×1000W
 - 4Ω: 2×1650W
 - 2Ω: 2×2100W
 - 8Ω Bridge: 1×3300W
• Input Impedance: Balanced >20KΩ / Unbalanced >10KΩ
• THD: ≤0.05%
• Frequency Response: 20Hz–20KHz (±0.5dB)
• S/N Ratio: >104dB (A-weighted)
• Damping Factor: ≥600
• Slew Rate: >20V/μs
• Sensitivity: 0.775V / 1V / 32dB selectable
• Cooling: Front-to-back ventilation with temperature-controlled fan
• Protection: Soft start, VHF, DC, short circuit, overload, clipping, overheat
• Connectors: 2×XLR inputs, 2×Speakon outputs
• Power Supply: AC 90~264V, 50/60Hz
• Dimensions: 482 × 251 × 44 mm
• Net Weight: 4.9 kg