Q-SYS CX-Q 4K8 8-Channel Network Power Amplifier | 4000W

High-Efficiency Power and Flexible AV System Integration for Demanding Commercial Environments

The Q-SYS CX-Q 4K8 network amplifier delivers unmatched flexibility and performance for professional AV installations requiring scalable, high-power solutions. Engineered for native integration into the Q-SYS Ecosystem, this 8-channel amplifier offers up to 4000 watts of total output power with advanced features such as FlexAmp™ and FAST (Flexible Amplifier Summing Technology™) to meet diverse speaker load requirements across commercial AV environments.

Designed on the trusted PL380 PowerLight™ platform, the CX-Q 4K8 features a 5th-generation Class-D hybrid powertrain and universal switchmode power supply to ensure high efficiency and premium audio performance—whether deployed in low impedance or 70V/100V distributed audio systems.

Key Features

• Q-SYS Native Integration: Simplified drag-and-drop configuration through Q-SYS Designer Software for complete control, routing, and monitoring.

• Flexible Power Distribution: FlexAmp™ and FAST technologies allow dynamic channel pairing and power summing across multiple output configurations.

• Eight Input Channels: Mic/line inputs with +12V phantom power support multiple signal sources within your Q-SYS networked AV system.

• Comprehensive Protection: Built-in amplifier and load protection circuitry safeguards against short circuit, over-voltage, RF, DC faults, and thermal issues.

• Efficient Power Supply: PowerLight universal switchmode PSU with power factor correction (PFC) maximizes efficiency while minimizing AC draw.

• Third-Party Integration Ready: Eight bi-directional GPIO connections for automation and control in integrated AV control environments.

• Touch-Proof Connectors: Euroblock input/output for secure and reliable professional installations.

• Energy-Saving Operation: Automatic standby and low-power modes reduce energy usage without compromising system responsiveness or sound quality.

Use Case Applications

Ideal for powering high-demand AV zones across:

• Boardrooms

• Conference rooms

• Government facilities

• Houses of worship

• Commercial meeting spaces

• Multi-purpose rooms

• All-hands rooms

• Education and training facilities

• Auditoriums and performance venues

Technical Specifications (CX-Q 4K8)

• Power Output: Up to 1000 W per channel (Low-Z, 70V, 100V), with advanced summing up to 4000 W total

• Frequency Response: 20 Hz – 20 kHz ±0.3 dB

• Typical Distortion:

  • 8Ω: 0.02 – 0.05%

  • 4Ω: 0.04 – 0.1%

• Signal-to-Noise Ratio: >101 dB (unweighted), >104 dB (weighted)

• Input Impedance: >8kΩ balanced, >4kΩ unbalanced

• Gain: 35 dB (1.2V setting)

• Damping Factor: >100

• Input Connectors: 3-pin Euroblock and Q-LAN (depending on model)

• Output Connectors: 8-pin Euroblock

• Dimensions (H×W×D): 3.5 × 19 × 16 in / 89 × 482 × 406 mm

• Weight: Net: 25 lbs (11.3 kg); Shipping: 29 lbs (13.2 kg)

• Certifications: UL, CE, RoHS/WEEE, FCC Class B

Competitive Advantages Over Market Alternatives

• True Q-SYS Native Compatibility: Unlike third-party amplifiers requiring external control modules, the CX-Q 4K8 seamlessly integrates with Q-SYS for centralized control and monitoring.

• Dynamic Power Allocation: FlexAmp™ and FAST technologies give integrators freedom to reconfigure power across channels to adapt to real-world speaker deployments.

• Built-in Mic/Line Inputs: Provides additional signal input flexibility directly from the amplifier—often missing in other networked amplifiers.

• Robust Protection Suite: Offers full-range circuitry for thermal, electrical, and mechanical protection, exceeding typical protection standards in competing models.

• Low Power Consumption in Idle States: Optimized for energy-conscious installations without sacrificing readiness.

Comparison Table – Q-SYS CX-Q 4K8 vs. Industry Standard