4 Channel Plug & Play NVR

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The KT&C KNR-P4PX4 4 Channel Plug & Play NVR with Optional arming schedule for action/notifications and alarms (e.g. ignore on-camera motion from specific cameras during normal business hours), can Connect up to 4 IP cameras in any combination with no special licenses required, and has a Unique Channel 0 remote stream displays user defined multi-view in the bandwidth of a single channel


Available Configurations Include:

KNR-p4Px4/1TB 1TB NVR PnP 4 cameras/4 PoE ports
KNR-p4Px4/2TB 2TB NVR PnP 4 cameras/4 PoE ports
KNR-p4Px4/4TB 4TB  NVR PnP 4 cameras/4 PoE ports
KNR-p4Px4/6TB 6TB NVR PnP 4 cameras/4 PoE ports
KNR-p4Px4/8TB 8TB NVR PnP 4 cameras/4 PoE ports

KNR-P4PX4 features include:

  • Connect up to 4 IP cameras in any combination with no special licenses required
    - ‘Hands Free’ Plug-and-Play cameras on the 4 built-in PoE ports
    - Onvif or other supported IP cameras* (*See list of manufacturers/models)
    - Power cameras with up to 15W each (802.3af PoE) from a total of 50W built in PoE power
  • Stream an aggregate bandwidth to the NVR of up to 20Mb/s from all connected cameras
    - Select camera resolutions up to 5MP
    - Set lower resolution/rate/image quality to meet application/installation requirements
  • Local HDMI/VGA monitor displays at up to 1920x1080
  • Employ digital zoom in both live view and playback for expanded view of fine details
  • Record based on schedule, motion, event/alarm or combinations
  • Easy to use on-screen menus include digital zoom and instant playback of recent video
    - Operate using front panel controls, wheel mouse or included IR remote
  • Quickly locate and review event video
    - Search by date/time, or preview images by pointing along a color coded timeline of record type
    - Play based on results of extensive event/alarm log search
    - Use “Smart Search” to define an area of interest; the NVR quickly reviews recorded video to list instances of motion in that area for review by the operator  
  • Optional arming schedule for action/notifications and alarms (e.g. ignore on-camera motion from specific cameras during normal business hours)
  • View, record and play main stream for detail, or sub-stream to conserve bandwidth and CPU resources
  • Easy to use on-screen controls including zoom and instant playback of recent video
  • System automatically conserves resources by selecting sub-stream during multiple camera viewing
  • User selectable viewing optimization for image detail of fluency of motion
  • Choose up to 8Tb of internal HDD storage (optional mirroring), or record to external eSATA/NAS/SAN
  • Back up recorded video to any network connected NAS or FTP
  • Easy remote access: view NVR over Internet without programming router: built-in uPnP router NAT/port mapping forwards ports automatically (*Router must support/permit uPnP function)
  • Your choice of IE, Chrome, Firefox or Safari browsers to view live or playback video, or to manage NVR
  • Unique Channel 0 remote stream displays user defined multi-view in the bandwidth of a single channel
  • View multiple live/playback video streams on Android/iOS apps, or get HD viewing from tablet specific app
  • Free Windows and MAC CMS Client for up to 64 live/16 playback views, manage and back up multiple sites
  • Two way audio support (compatible camera required) from NVR, web screens and CMS
  • Rack mountable 1U chassis (optional rack ears: KA-ORM1)

Streaming Video Inputs & Recording 

Maximum Number of IP Cameras


Number of built in PnP/PoE Switch Ports


Supported Live View/ Record Resolutions

5MP / 3MP / 1080P / UXGA / 720P / VGA / 4CIF / DCIF / 2CIF / CIF / QCIF


Supported for recording, playback and live viewing

Audio streaming

Supported from audio capable cameras

Maximum FPS rate per camera

30FPS Main stream; 30FPS Sub-stream

(Live and Record)

Up to 480FPS total for 16 cameras

Maximum Record Streaming Video Input Bandwidth (all cameras combined)

80 Mb/s

Recording Compression

Depends on IP Camera; typically H.264 for main stream, MJPEG for sub-stream

Recording Modes

Continuous, Motion, Alarm, Motion+Alarm, Motion or Alarm

Motion Detection

Camera Side, configurable from NVR for KNC-p3 Omni IP Series Cameras

Schedule Period

Per day in 1 hour blocks; or 8 time periods per day, each with different record mode; plus holidays

Pre- and Post- Event Recording

Pre-record 0~30 seconds; post record 5s~10 minutes

Built in network switch port speed

10/100 Mb/s each port

KT&C Omni-IP 'hands free Plug and Play' Cameras Fully Supported


Third Party Cameras Supported (requires traditional configuration and setup)

Onvif; Acti, Arecont, Axis, Bosch, Brickcom, Canon, Hikvision, Hunt, Panasonic, Pelco, Samsung, Sanyo, Sony, Vivotek, Zavio

Local Live Presentation of Streaming Video/Audio

Local Display Main Monitor Outputs HDMI

HDMI 60Hz: 1920×1080, 1600×1200, 1280×1024, 1280×720, 1024×768

Local Display Main Monitor Outputs VGA

VGA   60Hz: 1920×1080P, 1600×1200, 1280×1024, 1280×720, 1024×768

Camera Display Layouts

1, 2x2, 1+5, 1+7, 3x3, 4x4

Automatic Stream Selection

Single camera view and 720p 2x2 at main stream resolution; Automatic switching to sub-stream resolution in other multi-view displays to conserve CPU capacity and maintain parity between per-camera screen area and image size

Audio Output (requires audio equipped cameras)

1-ch Line Level, RCA (Linear, 600Ω)

Playback of Recorded Video/Audio 

Supported Playback Resolutions

5MP / 3MP / 1080P / UXGA / 720P / VGA / 4CIF / DCIF / 2CIF / CIF / QCIF

Local Display Playback Maximum Video Bandwidth (all cameras combined)

~8Mb/s nominal

Nominal Local Playback Capability

8 channels 4CIF; 4 channels 720p; 2 channels 1080p; 1 channel 5Mpix (actual playback depends on decoding load which varies based on settings for recorded video bandwidth restrictions, resolution, image quality, FPS rate, compression efficiency, and complexity of pixel change in the scene)

Playback search modes

Time/Date; Alarm (motion or other source); Manual Tags; Smart Search for motion events from recorded video

Playback Controls

Play; Pause; Forward/Reverse; speed control for single~1.8~16X; Slide bar with overview of record type and snapshot display from slider position

Digital Zoom During Playback

Supported on Local Displays and CMS

Local Hard Drives and Other Storage 

Number of Internal Hard Drives

Up to 2 SATA HDD; up to 4TB each for 8TB maximum

Mirror Recording

Can clone pairs of disks


With extensive statistics, alarms, on demand tests and reporting

Record to


Archive to


Local Plug and Play Camera Network Support 

Integral PoE Switch

8 ports 10/100 Mb/s

Camera Network Security

Camera network is isolated from LAN/WAN port

PoE Type

802.3af 15W max per port

Total Power Budget

100W all ports

PnP Network Support

Integral DHCP function with address-per-port initial assignment (Using KT&C KNC-p3 Omni-IP Series cameras connected to internal PnP PoE switch ports)

Remote Viewing and Local/Remote Configuration

Built in Web Server Interface

Live view, playback and configuration via IE, Chrome, Firefox, Safari (with free plug-in/extension installed)


PC and MAC Client supports multiple device viewing, playback (with digital zoom) and configuration; user rights per camera; E-map support; live view up to 64 cameras in 4:3 and 48 cameras in 16:9; up to 16 cameras in playback

Mobile Apps

iOS and Android supported ; live 1 & 4 camera views; single camera playback; snapshots from live or play; copy clips/record to smartphone; audio support; PTZ control. HD version of app, optimized for tablets, is available

User Rights Control

Per user-per camera for multiple functions

Event Logging

Multiple types: alarm, exception, operation, information; dozens of sub-types within each major type

Firmware Upgrade

From USB or remotely

Backup/Restore Configuration

For NVR settings and for IP Camera settings; from USB or remotely

Network and Other Interfaces

LAN/WAN Network Port

One 10/100/1000Mb/s RJ-45 port

Connection of non-PnP IP cameras


Remote Monitoring Output Maximum Bandwidth


Maximum number of remote connections



Supported; choice of time zone, NTP server, DST start/end/offset

Port Mapping/uPnP

Automatic port forwarding/redirection using uPnP on routers with this capability

Serial Interfaces


USB 2.0 Interfaces

Two: 1 front; 1 rear

Audio Input


General Mechanical and Environmental 

Power Input

100~240VAC, 47~63Hz

Continuous Power Consumption

145W including PoE

Operating Temperature

14°F ~ 131°F (-10°C ~ +55°C)

Operating Humidity Range

10% ~ 90%

Cooling Fan

1, in power supply


17.52" x 11.42" x 1.77" (445mm x 290mm x 45mm) Rack Mountable with optional KA-ORM1 brackets

Weight (without hard drives or ODD)

5.51b (2.5Kg) allow ~1.4 lb. per HDD



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Prices and specifications subject to change without notice.