JBL NCSMA1120-U-US
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- Brand new in original box
- Full JBL manufacturer's warranty
- Free shipping in the continental US
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- NCSMA1120-U-US
Description
JBL NCSMA1120-U-US Compact Network Audio Amplifier
The JBL NCSMA1120-U-US is a compact 1U rack amplifier built on Crown's proven DriveCore technology, delivering clean, efficient power for installed audio systems without the bulk or noise of traditional designs. Its fanless construction keeps venues and install spaces quiet, while the intuitive front-panel layout with illuminated volume controls keeps operation straightforward in dimly lit rooms and during live events.
Power & Distributed Audio Compatibility
This amp delivers 120 W RMS output on a single channel while accommodating both 8-ohm and 4-ohm speaker loads. It seamlessly integrates with 70V and 100V distributed audio systems without requiring a separate transformer, making it a dependable choice for live venues, rental companies, houses of worship, and multi-zone audio setups where reliability and flexibility matter.
Connectivity & Control
Four input channels feed into the single output, with balanced mic/line inputs and unbalanced RCA options providing flexible source connections from mixers, mics, and playback devices. The amp includes per-channel volume controls, master volume adjustment, and adjustable bass and treble EQ, plus direct RJ45 connectors for JBL CSR-V in-wall volume controls, eliminating the need for external control interfaces and simplifying your system layout.
Key Features
- 120 W RMS output power, single channel
- 4 input channels, 1 output channel
- 1U rack space, fanless design
- Crown DriveCore technology for efficiency and reliability
- Balanced mic/line inputs and unbalanced RCA inputs
- 8-ohm and 4-ohm load compatibility
- 70V and 100V distributed audio system compatibility without transformer
- Per-channel and master volume controls with illuminated rings
- Adjustable bass and treble controls
- RJ45 connectors for JBL CSR-V volume control integration
- Universal power supply: 100–240 VAC, 50/60 Hz
- Lead-free RoHS compliant with recycled materials
The NCSMA1120-U-US combines compact form factor, dependable amplification, and straightforward installation—making it a solid backbone for any venue, rental fleet, or installed system requiring clean power and practical control options you can trust night after night.
More Information
| Condition | New |
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At a Glance
The JBL NCSMA1120-U-US is a compact 1U fanless network amplifier delivering 120 W RMS of clean, efficient power for installed audio systems without noise or bulk. It's built for live venues, retail spaces, and multi-zone installations where you need reliable amplification in tight racks and noise-sensitive environments. Choose it for its fanless design, straightforward front-panel control, seamless 70V/100V system integration, and Crown DriveCore proven track record—everything a touring or permanent installation needs without complicated setup.
Who This Is For
Great for
- ✓ Live Performance
- ✓ Studio Sessions
- ✓ Home Recording
Not the best pick for
- – Practice
- – Collecting
Skill level: Intermediate · Advanced · Professional
Frequently Asked Questions
What does this amplifier power, and what impedance/voltage does it support?
The NCSMA1120-U-US delivers 120 W RMS on a single channel and handles both 8-ohm and 4-ohm speaker loads. It also works directly with 70V and 100V distributed audio systems without needing a separate transformer, making it compatible with commercial and multi-zone setups.
How many inputs does it have, and what types?
It provides four input channels with balanced mic/line inputs and unbalanced RCA options, each with independent volume controls. A master volume knob and adjustable bass/treble EQ let you shape the signal before it reaches your speakers.
Why is the fanless design important?
Fanless construction eliminates cooling-fan noise, making it ideal for noise-sensitive live venues, studios, and installations where you need silent operation during performances or recordings. It also reduces maintenance and extends equipment lifespan.
Can I integrate this with JBL volume controls?
Yes, the amplifier includes RJ45 connectors for direct JBL CSR-V in-wall volume control integration, so you can add remote or wall-mounted controls without external interfaces.
What is the footprint and power requirement?
It fits in a standard 1U rack space. The universal power supply accepts 100–240 VAC at 50/60 Hz, so it works globally without adapters.
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