NF 4C LP
PoE Powered Ceiling Speaker System with Dante and DSP
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Plenum Rated
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NF 4C LP
The Extron NF 4C LP is a PoE powered 4" ceiling speaker system featuring scalable power, DSP, and Dante connectivity. Powered via PoE and capable of driving up to three external passive speakers from its integrated four channel amplifier, the NF 4C LP is a single‑cable solution for individual zones within larger distributed ceiling speaker systems. Using Extron’s DSP Configurator Pro software, the integrated DSP can be set up independently for each amplifier channel with essential processing per zone. Dante Domain Manager and AES67 support ensure wide compatibility with enterprise configurations and other network audio devices. Available in packages of one through four speakers, the NF 4C LP meets the requirements of complex, decentralized systems with a self-contained PoE powered speaker solution.
The 4" (102 mm) full-range driver features a wide and smooth frequency range of 110 Hz to 20 kHz and is engineered with a practical 135° conical dispersion. In voice lift applications, the NF 4C LP provides excellent coverage and voice clarity.
Dante Audio Networking
Dante provides scalable audio transport, with Dante Domain Manager support, over a local area network using standard Internet protocols. The family of Dante-enabled products from Extron work together as part of a complete networked audio system solution and integrate with other Dante-enabled products to create efficient system designs. With AES67 support, a variety of network audio devices and audio routing needs can be accommodated.
Setting up a network of Extron Dante-enabled products requires Dante Controller software. Dante Controller is used to easily assign an output from a Dante-enabled device, such as an Extron DMP Plus Series processor, to an input on an NF 4C LP.
Integrated DSP
A built in 4x4 mix matrix allows any Dante input to be routed to any amplifier output within a four‑speaker system. The integrated DSP provides essential processing including gain adjustment, filters, dynamics, and delay.
The NF 4C LP PoE System
Dante Audio Networking
Dante audio networking provides digital audio distribution over local and wide area networking, using standard network hardware or by connecting into a standard network infrastructure. This provides many advantages, including audio system scalability, easier installation, and simplified wiring. Dante allows uncompressed high resolution digital audio to be distributed across a switched Ethernet network using standard TCP/IP protocols, while meeting the stringent quality requirements of professional audio.
DSP
A built in 4x4 mix matrix allows any Dante input to be routed to any amplifier output within a four-speaker system. The integrated DSP provides essential processing including gain adjustment, filters, dynamics, and delay.
Scalable Power
The NF 4C LP utilizes available PoE to scale the output of its internal amplifier. Depending on the number of passive speakers connected, a system can increase its maximum SPL by up to 8dB by increasing the system's PoE power. The chart to the right shows the possible combinations.
| PoE Powered NF 4C LP | 1 | 1 | 1 | 1 | ||
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| Quantity of Additional Passive Speakers | 0 | 1 | 2 | 3 | ||
| Common Name | Standard | Power - PSE1 | Continuous Max dB SPL2 @ 1 Meter per Speaker | |||
| PoE | 802.3af | 15.4 watts | 92 | 89 | 88 | 87 |
| PoE+ | 802.3at | 30.0 watts | 93 | 92 | 91 | 89 |
| PoE++ | 802.3bt | 45.0 watts | 94 | 94 | 94 | 93 |
System Packages
NF 4C LP-1
Powered 43” Ceiling Speaker w/ Dante and DSP
Powered
NF 4C LP-2 Package
One Powered NF 4C LP and One Passive NF 4C LP
Powered
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Passive
NF 4C LP-3 Package
One Powered NF 4C LP and Two Passive NF 4C LP
Powered
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Passive
Passive
NF 4C LP-4 Package
One Powered NF 4C LP and Three Passive NF 4C LP
Powered
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Passive
Passive
Passive
System Packages
NF 4C LP - 1
Powered 4” Ceiling Speaker with Dante and DSP
NF 4C LP - 2
One Powered NF 4C LP
One Passive NF 4C S LP
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NF 4C LP - 3
One Powered NF 4C LP
Two Passive NF 4C S LP
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NF 4C LP - 4
One Powered NF 4C LP
Three Passive NF 4C S LP
Powered
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Passive
NF 4C LP Features
NF 4C LP
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PoE Powered Speaker System
Provides a single cable connection to the speaker system for ease of installation and configuration.
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Max SPL scales with available PoE
SPL from 87 dB to 94 dB based on available PoE power class and number of passive speakers connected.
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Integrated DSP with 4x4 Mix Matrix
Includes filters and dynamics that can be applied per speaker zone without external DSP.
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4" (101.6 mm) Full-Range Driver
Frequency range: 110 Hz to 20 kHz
135° conical dispersion -
Network Monitoring and Control
Via an IPCP Pro xi Series control processor connected to a Dante network.
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4.2" (107 mm) Low Profile Back Can
Ideal for installation in plenum environments with restricted space.
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DSP Configurator Pro Setup and Configuration
Powerful yet user-friendly software tool for managing audio setup and operations of Extron DSP products.
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Paintable Grille and Bezel
Grille and bezel are white and can be painted to match any environment.
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UL 2043 Plenum Rated
Injection molded enclosure made of fire resistant composite material.
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Supports Common PoE Standards
PoE 802.3af · PoE+ 802.3at · PoE++ 802.3bt
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Baffle-mounted identification LED
Used for speaker identification.
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Integrated test signal generator
Provided for troubleshooting and equalization.
Application Diagram
In this hybrid classroom example, an NF 4C LP system is used for in-room voice lift of an instructor's voice from a wireless microphone. Also above the student area is a Dante-enabled ceiling mic array to pick up student questions for remote participants. Audio processing is handled by a DMP 64 Plus C AT with its USB connection to a PC running meeting software.
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