The Industry-Standard Video Reference Monitor

The Dolby® Professional Reference Monitor PRM-4220 is the most accurate display for creating any type of entertainment content. Dolby's patented dual-modulation display technology produces images of the highest quality possible on a flat-panel display. The first flat panel to outperform the CRT, the Dolby professional video reference monitor is the new industry standard.

The Most Accurate Color-Correction Monitor

The Dolby Professional Reference Monitor enables the creative process for colorists and cinematographers by ensuring that the final image will reflect exactly what they see on the display. The most accurate color-correction monitor available, it displays the full dynamic range that the latest advanced digital cameras can capture.

Renders superior black-level performance, with true blacks, highly accurate dark detail, and precise linearity maintained across the entire gray scale

Accurately displays DCI P3, all high-definition formats over HD-SDI, and 2K video content

Allows accurate viewing of all image details in the darks, and highlights what other monitors typically clip

Displays color looks and previsualization with 1D and 3D look-up tables (LUTs)

As a color-grading monitor, the Dolby Professional Reference Monitor uses 3D LUTs to emulate the full gamut and contrast ratio of film, as well as the color profile of digital cameras. This makes DCI P3 color grading possible without the use of a digital projector.

Professional Video Monitor with Technical Versatility

The Dolby Professional Reference Monitor integrates into any workflow, from small operations to large. It supports all of the current and emerging formats that filmmakers are using.

Supports 3D LUTs (including Nucoda 3D LUTs), allowing calibration to perfectly match digital screening environments and to emulate the response of film-print stocks during the digital intermediate color-correction process

Provides the exceptional reliability of an LCD display

Supports not only today's 10-bit video formats but also emerging 12-bit formats without dithering or downscaling of the color gamut

Supports high frame rates of 48 frames per second (fps) and 60 fps

Supports Academy Color Encoding Specification (ACES) workflows

The Dolby Professional Reference Monitor has a 42-inch (diagonal) LCD flat-panel display with a resolution of 1920 by 1080 pixels and a refresh rate of 120 Hz. It also delivers a wide viewing angle of 90 degrees horizontal (45 degrees on either side of the center point).

High-Definition Video Reference Monitor with Superior ROI

Each Dolby video reference monitor can replace a collection of other professional video monitors, allowing HD and digital cinema workflows in the same room.

Emulates virtually any other display device, replacing a range of other color-correction monitors that are also used for mastering and quality control

Allows facilities to perform digital intermediate workflows without an expensive digital projector

Enables exceptional-quality work that will please existing clients and attract new ones

Uses dual modulation technology that outlasts all other display types in color accuracy

Dolby is now offering the industry's first field calibration service. This service helps lower the cost of ownership for the PRM-4220 by eliminating the need to purchase costly calibration equipment.

Dolby Display Calibration Services, deployed entirely by Dolby staff, provide postproduction professionals an inexpensive, convenient, and reliable way to ensure that colors remain precise and black levels stay true. These services also enable customers to calibrate their displays to the right color space for a specific project or workflow.

Intuitive Access and Additional Features

This professional video monitor includes an external remote controller that handles all functions, giving you offscreen, intuitive access to all features, functions, and parameters through simple, easy-to-use menus. The remote controller can be rack mounted or used on the desktop.

LCD Panel

Size: 1,067 mm diagonal (42 inches diagonal)
Resolution: 1920 x 1080 pixels
Refresh Rate: 120 Hz
Viewing Angle: 90° horizontal; 45° left and right from center

Maximum Luminance

CRT Reference mode: 120 cd/m2
Dynamic Reference mode: 600 cd/m2
Adjustable from 48 cd/m2 to 600 cd/m2


Rec. 709, SMPTE C, EBU, P3, Custom

Operation Modes

CRT Reference, DYN Reference, LCD Emulation, PDP Emulation, Custom 1 Emulation, Custom 2 Emulation

White Point

D54, D60, D65, D93, Digital Cinema, Custom


2.2, 2.4, 2.6, Custom

Video Interfaces


Video Scanning Formats

ITU-R BT.601, SMPTE 293M, ITU-R BT.1358, SMPTE 274M, SMPTE RP211

Digital Video Inputs

Two BNC connectors, with support for 1.5G / 3G SDI / HDSDI, single and dual link, one HDMI 1.4 with HDCP 12-bit, and one DisplayPort 1.1 with HDCP 12-bit

Digital Video Outputs

Two BNC connectors, with support for 1.5G / 3G SDI / HDSDI, single and dual link

PRM iPad App

Control your Dolby Professional Reference Monitor PRM-4220 in a more ergonomic way with your Apple® iPad® 2 or 3.

Line Voltage Compatibility

100-240 VAC, 50-60 Hz

Operating Temperature

Optimum: 20°C ±5°C

Storage Temperature

-20°C to 70°C


30%-90% relative humidity, noncondensing

Monitor Dimensions and Weight

Width: 993 mm (39.1 inches)
Height: 671 mm (26.4 inches)
Depth (body): 272 mm (10.7 inches)
Weight: 48.1kg (106 lbs)

Remote Controller Dimensions

2-U rackmount or tabletop use
Width: 430 mm (17 inches)
Height: 70 mm (3 inches)
Depth: 83 mm (3 inches)
Weight: 1.13 kg (2.5 lb)

For complete information about Dolby Professional Reference Monitor PRM-4220 capabilities and specifications, download the following materials.

White Paper

Dolby Professional Reference Monitor 4220 White Paper
 The Dolby Professional Reference Monitor is the first monitor that can actually display 100 percent of DCI P3 with linear color accuracy across the entire gray scale.

Brochures and Manuals

Dolby Professional Reference Monitor PRM-4220 Technical Brochure
 The first flat-panel monitor to truly outperform a CRT, the Dolby Professional Reference Monitor delivers the most precise color accuracy possible.

Dolby Professional Reference Monitor Reference Manual
 The Dolby Professional Reference Monitor is designed for the postproduction, film, and television broadcast industries.

Dolby Professional Reference Monitor PRM-4220 FAQ
 Get quick facts about the Dolby Professional Reference Monitor, such as size, key features, accuracy, color spaces/gamuts, viewing angle, and more. 

Choose from the drop-down menus below to get Dolby professional reference material.