QSC CXD4.3Q 4-channel NETWORK AMPLIFIER Q-SYS
Product Parameters
- Model Number: CXD4.3Q
- Channels: 4-Channel Network Amplifier
- Power Output: 625W per channel (8Ω), 1150W per channel (4Ω), 1250W per channel (2Ω)
- Maximum Total Power: 2500W (Burst)
- Frequency Response: 20 Hz – 20 kHz
- Input Impedance: >10k, balanced or unbalanced
- Network Protocol: Q-LAN (Gigabit Ethernet)
- Operating Voltage: 100-240 VAC, 50/60 Hz
Product Description
The QSC CXD4.3Q is a high-performance, 4-channel network amplifier specifically designed for integration with the Q-SYS Ecosystem. Utilizing Flexible Amplifier Summing Technology™ (FAST), this unit can distribute power across one, two, three, or four channels in various configurations, allowing it to drive a wide range of loudspeaker loads including 70V and 100V systems. Its seamless integration via Q-LAN ensures low-latency audio distribution and comprehensive telemetry monitoring. The amplifier features high-efficiency Class D circuitry coupled with a specialized Power Factor Correction (PFC) power supply, ensuring consistent performance even on unstable power grids.
Application Areas
This amplifier is primarily used in large-scale professional installations such as stadiums, arenas, convention centers, and performance theaters. It is an ideal choice for networked audio systems where centralized management and high-power density are required to support diverse zones, from background music to high-SPL foreground reinforcement.
Product Specifications
- Weight: 9.5 kg (21.0 lbs)
- Dimensions: 89 mm x 482 mm x 406 mm (2U Rack Space)
- Country of Origin: China / USA
- Cooling: Variable speed fan, rear-to-front air flow
Operational Precautions
- Ensure the unit is properly integrated into a Gigabit Ethernet network to maintain stable communication with the Q-SYS Core; standard Fast Ethernet may result in audio dropouts.
- Maintain a minimum of 2U of rack space above and below the unit or ensure active rack ventilation to prevent thermal shutdown during high-duty cycle operation.
- Use only high-quality, balanced cabling for local analog inputs to minimize electromagnetic interference and noise floor issues.
- Verify the speaker load impedance matches the FAST configuration programmed in the Q-SYS Designer software to prevent amplifier clipping or damage.
Recommended Similar Product Models
| Model Number | Product Category | Power Output |
| CXD4.2Q | 4-Channel Network Amp | 400W / Channel (8Ω) |
| CXD4.5Q | 4-Channel Network Amp | 1150W / Channel (8Ω) |
| CXD8.4Q | 8-Channel Network Amp | 450W / Channel (8Ω) |
| PLD4.3 | 4-Channel Processing Amp | 625W / Channel (8Ω) |
| CX-Q 4K4 | 4-Channel Network Amp | 1000W / Channel (8Ω) |
