JBL NCSA240Z-U-US

JBL NCSA240Z-U-US Crown DriveCore Compact Amplifier

The JBL CSA240Z is a fanless, 1U rack-mount amplifier built for touring rigs, portable PA systems, and live venues where reliable, compact amplification matters. Its minimal footprint and universal power supply work equally well in a packed equipment truck, at a small club, or as a backup amp in any touring setup. Built on Crown's proven DriveCore platform, this amp delivers clean, efficient power without the fan noise or maintenance headaches that plague traditional designs.

Audio Performance

Rated at 40W per channel into 4Ω or 8Ω impedance (1 kHz, 0.5% THD), the CSA240Z provides genuine headroom for mid-sized venues and flexible system builds. The 20Hz–20kHz frequency response (±0.5dB at 8Ω) ensures accurate sound reproduction across the full spectrum, while the signal-to-noise ratio exceeding 100dB guarantees minimal hum or noise floor even at low mixing levels.

Connectivity & Integration

Dual input options—balanced Euroblock (20kΩ input impedance) and RCA (50kΩ input impedance)—let you patch from mixing consoles, processors, or other audio gear without impedance matching headaches. 70V and 100V transformer-balanced Euroblock outputs feed distributed speaker systems directly, while two RJ45 connectors support CSR-V in-wall volume controls for remote level adjustment during live events without running additional cables through your rig.

Key Features

• 2 channels, 40W each at 4Ω/8Ω (1 kHz, 0.5% THD)
• Minimum impedance: 4Ω; 70V/100V transformer support
• Frequency response: 20Hz–20kHz ±0.5dB (8Ω)
• Input sensitivity: 1.4Vrms
• Signal-to-noise ratio: >100dB
• 2-band parametric EQ for tonal shaping
• Balanced Euroblock and RCA inputs; 70/100V Euroblock outputs
• Two RJ45 connectors for CSR-V in-wall volume control integration
• 1U rack-mount form factor (8.6" W × 11.9" D × 1.7" H)
• Crown DriveCore amplifier topology, fanless design
• Universal 100–240VAC, 50/60Hz power supply
• Operating range: 32–95°F (0–35°C)

The CSA240Z combines professional-grade amplification with straightforward connectivity and silent operation, making it a dependable choice for touring acts, venue techs, and anyone running a portable or fixed sound system that demands reliability night after night.