JBL NCSA140Z-U-US Compact Network Power Amplifier

The JBL NCSA140Z-U-US is a compact 1RU rackmount power amplifier engineered for installed audio systems that demand reliable, clean amplification in tight spaces. Its fanless design ensures silent operation—critical for applications where ambient noise must stay minimal—while the robust 40-watt mono channel delivers sufficient headroom for distributed speaker systems across commercial and residential environments.

Audio Performance & Connectivity

This amplifier maintains a 100 dB signal-to-noise ratio and flat 20 Hz–20 kHz frequency response, ensuring transparent audio reproduction across the full audible spectrum. Input sensitivity of -20 dBu accommodates both line-level and mic-level sources, while dual output impedance support (4 ohms and 8 ohms) and 70V/100V constant-voltage installation capability provide flexibility for varied loudspeaker configurations in networked audio deployments.

Installation & Design

The compact 19" × 1.75" × 13.5" footprint fits standard 19-inch racks without requiring additional depth, and at 12 lbs, it integrates easily into system chains. Dual input options via mono sum RCA connectors and Euroblock terminals, combined with Euroblock outputs and an RJ45 connector for in-wall volume controls, streamline both initial setup and ongoing control integration; the universal 100–240 VAC, 50/60 Hz power supply operates worldwide without modification.

Key Features

• 40 watts per channel, single-channel mono configuration
• 100 dB signal-to-noise ratio
• 20 Hz – 20 kHz frequency response
• -20 dBu input sensitivity
• 4 ohms and 8 ohms output impedance support
• 70V and 100V constant-voltage installation compatible
• Mono sum RCA and Euroblock inputs
• Euroblock outputs with RJ45 volume control connector
• Fanless design for silent operation
• Universal 100–240 VAC, 50/60 Hz power supply
• Compact 1RU rackmount chassis (19" × 1.75" × 13.5")
• 12 lbs weight

The NCSA140Z-U-US delivers the dependable amplification and flexible connectivity required for professional installed audio systems that prioritize silent, space-efficient operation.