Four Input HDCP-Compliant Scaler
Key Features
  • Integrates HDMI, analog video, and audio sources into presentation systems
  • Three HDMI inputs and one universal analog video input
  • Available with DTP or HDMI output
  • Auto-switching between inputs
  • Advanced scaling engine with 30‑bit precision processing and motion-adaptive deinterlacing for signals up to 1080i
  • Available integrated DTP output supports transmission of HDMI, control, and analog audio up to 330 feet (100 meters) over a shielded CATx cable
The Extron IN1604
Model Version Description Part #
IN1604 DTP Four Input Scaler with DTP Output 60-1457-01
IN1604 HD Four Input Scaler with HDMI Output 60-1457-02

The Extron IN1604 DTP and IN1604 HD are HDCP‑compliant scalers with three HDMI inputs, a universal analog video input, and an Extron DTP® or HDMI output, in a compact 1U, half rack enclosure. The IN1604 is ideal for installation beneath conference tables and in lecterns to provide localized switching support for sources such as presenter devices. The IN1604 DTP output allows signal extension up to 330 feet (100 meters) over shielded CATx cable to reach a wall or ceiling‑mounted display. Both IN1604 models provide the convenience of fast and reliable switching, along with a high performance scaling engine for HDMI and analog video sources. Also included are a host of audio processing features and many versatile options for control.

Built for Digital Video Integration

The IN1604 is HDCP‑compliant and delivers highly reliable digital switching of HDMI signals. To simplify integration of HDMI sources and displays, and to help ensure optimal system performance and dependability, the IN1604 features three Extron‑exclusive technologies: EDID Minder®, Key Minder®, and SpeedSwitch®. EDID Minder manages EDID communication between the display device and input sources to ensure that the correct video formats are displayed reliably. For HDMI signals with protected content, Key Minder authenticates and maintains continuous HDCP encryption between input and output devices to ensure quick and reliable switching. With SpeedSwitch Technology, the IN1604 delivers exceptional, virtually instantaneous switching speeds for HDCP‑encrypted content.

High Performance Video Processing

The IN1604 features an advanced scaling engine that can scale HDMI, RGB, component, and standard definition video signals to a common high resolution output. It provides high performance deinterlacing of all interlaced signals up to 1080i, and Deep Color processing to deliver optimal image quality. The universal analog video input is configurable for RGB computer video, HDTV, component video, S‑video, or composite video. Additionally, the color space and chroma subsampling of the HDMI output can be automatically set to ensure compatibility with a connected DVI or HDMI display. Automatic 3:2 and 2:2 pulldown detection maximizes image quality for content sources originating from film. The IN1604 accepts and outputs signals up to 1920x1200, including 1080p/60 and 2K.

Selectable FILL and FOLLOW modes are also available to ensure the proper aspect ratio of the output. FILL mode provides full screen output, while FOLLOW mode preserves the original aspect ratio of the input signal.

Available Integrated Digital Twisted Pair Extension

The IN1604 DTP includes one DTP twisted pair output. This output can be used to extend video, audio, and bidirectional control signals to a DTP 230 or DTP 330 receiver in a remote location, such as behind a flat‑panel display on a wall or above a ceiling‑mounted projector. DTP 230 and DTP 330 receivers are available in compact, low‑profile enclosures or decorator-style wallplate versions to suit the installation requirements of a specific application. The IN1604 DTP can also be integrated into a larger AV switching system with a DTP‑enabled switcher or matrix switcher, such as the Extron IN1608 or DTP CrossPoint 84.

When the IN1604 DTP is paired with a DTP 330 receiver, video, control, and analog audio signals can be extended up to 330 feet (100 meters) over a single shielded CATx cable. With a DTP 230 receiver, signals can be extended up to 230 feet (70 meters).

The DTP twisted pair output includes additional convenient, integrator‑friendly features designed to help simplify installation. Bidirectional RS‑232 and IR signals can be inserted from a control system and transmitted over the single shielded CATx cable together with the video and audio, enabling control of a display. The IN1604 DTP can also send power to the DTP receiver over the same shielded CATx cable, streamlining system design and installation.

The IN1604 DTP can be configured for compatibility with an HDBaseT-enabled display to send digital video and embedded audio, plus bidirectional RS‑232 and IR signals up to 330 feet (100 meters) over a shielded CATx cable.

Audio Integration Capabilities

The IN1604 delivers essential audio integration capabilities, including HDMI audio embedding and de‑embedding, and flexible audio switching with two individually assignable analog audio inputs. The audio configuration settings for the IN1604 can be easily adjusted through Extron's PCS - Product Configuration Software. Using this software, users can adjust input gain and attenuation for each analog input, output volume, plus audio muting.

Convenient Under-Table and Surface Mounting

The IN1604 is housed in a compact 1U, half rack width enclosure that can be installed virtually anywhere, including inconspicuous placement underneath a conference table, inside a credenza, or in a lectern. Extron UTS Series and MBU 123 mounting hardware are available separately to facilitate under‑table and surface mounting.

Multiple Options for Control and Operation

The IN1604 features front panel controls and on-screen menus for quick access to system settings. It also features automatic switching between inputs to streamline system operation when the unit is installed in locations such as a lectern or under a conference table. Remote configuration and control are available via USB and RS‑232, plus contact closure with tally output for input switching and muting. The IN1604 can be configured using Extron's PCS software with a user‑friendly GUI that is very easy to navigate. This software application allows for expedited setup and commissioning, real-time operation and monitoring, plus the ability to configure several IN1604 units in the same session.


  • Key Minder® continuously verifies HDCP compliance for quick, reliable switching — Key Minder authenticates and maintains continuous HDCP encryption between input and output devices to ensure quick and reliable switching in professional AV environments, while enabling simultaneous distribution of a single source signal to one or more displays.
  • EDID Minder® automatically manages EDID communication between connected devices — EDID Minder ensures that all sources power up properly and reliably output content for display.
  • SpeedSwitch® Technology provides exceptional switching speed for HDCP‑encrypted content
  • Aspect ratio control — The aspect ratio of the video output can be controlled by selecting a FILL mode, which provides a full screen output, or a FOLLOW mode, which preserves the original aspect ratio of the input signal.
  • HDCP authentication and signal presence confirmation — Provides real‑time verification of HDCP status for each digital video input and output. This allows for simple, quick, and easy signal and HDCP verification through front panel LEDs, RS‑232, or USB, providing valuable feedback to a system operator or helpdesk support staff.
  • HDCP Visual Confirmation — When HDCP‑encrypted content is transmitted to a non‑HDCP compliant display, a full‑screen green signal is sent to the display for immediate visual confirmation that protected content cannot be viewed on that display.
  • HDMI to DVI Interface Format Correction — Automatically enables or disables embedded audio and InfoFrames, and sets the correct color space for proper connection to HDMI and DVI displays.
  • Selectable seamless switching transitions — Seamless cut through black, and fade through black transition effects are available at the scaled video outputs.
  • Auto‑Image™ setup — When activated, the unit automatically optimizes the image by analyzing and adjusting to the video input signal. This can save time and effort in setting up a newly connected source, particularly in presentation environments where different guest presenter laptops with various output resolutions will be connected.
  • Auto Input Memory — When activated, the unit automatically stores size, position, and picture settings based on the incoming signal. When the same signal is detected again, these image settings are automatically recalled from memory.
  • On‑screen menus — Intuitive on‑screen menus allow for easy system setup using the front panel controls. Key parameters such as input and output video formats and resolutions are conveniently grouped on the initial Quick Setup screen, while additional screens provide full control over the unit's other functions and settings.
  • Output Standby Mode — The unit can be set to automatically mute video and sync output to the display device when no active input signal is detected. This allows the projector or flat‑panel display to automatically enter into standby mode to save energy and enhance lamp or panel life.
  • Power Save Mode — The unit can be placed in a low power standby state to conserve energy when not in use.
  • Image freeze control — A live image can be frozen using RS‑232 serial control or USB.
  • Picture controls for brightness, contrast, color, tint, detail, as well as horizontal and vertical positioning, and sizing
  • User presets — Memory presets are available for each input to store and recall optimized image settings.
  • Automatic 3:2 and 2:2 pulldown detection — Advanced film mode processing techniques that help maximize image quality for NTSC, PAL, and 1080i sources that originated from film.
  • Quad standard video decoding — A temporal, 3D adaptive comb filter provides advanced decoding of composite NTSC 3.58, NTSC 4.43, PAL, and SECAM for integration into systems worldwide.
  • Internal video test patterns and pink noise generator for calibration and setup — The unit offers several video test patterns and audio pink noise to facilitate proper system setup and calibration of display devices.
  • Output volume control — Provides master volume control for the analog line level output, two-channel PCM HDMI audio, as well as DTP analog audio for the IN1604 DTP model.
  • Audio input gain and attenuation — Gain or attenuation can be adjusted for each analog audio input to eliminate noticeable differences when switching between sources.
  • Audio input assignment — Each video input can be assigned to either of the two available analog audio inputs. This enables all four video inputs to share a single analog audio input. The HDMI inputs can be set to pass the embedded digital audio, or automatically embed the analog audio when no digital audio is detected.
  • Audio switching transitions — The audio output level automatically ramps down and then ramps up to match the video during switching transitions.
  • Integrated audio delay — The audio output is automatically delayed to compensate for latency introduced by the video processing.
  • Selectable audio muting — The audio accompanying each video input can be individually muted. The analog audio output and embedded digital audio output can also be muted, all at once or independently.
  • Front panel security lockout — This feature locks out all front panel functions except for input selection; all functions however, are available through USB or RS‑232 control.
  • RS‑232 control port — Enables the use of serial commands for integration into a control system. Extron products use the SIS™ - Simple Instruction Set command protocol, a set of basic ASCII commands that allow for quick and easy programming.
  • Contact closure remote control with tally output — Allows for remote selection and muting of an input channel, while a tally output provides +5 VDC to light an LED to indicate the currently selected input.
  • Compatible with TeamWork® Show Me® Cables — Show Me cables provide convenient connectivity and user input selection and control for TeamWork Collaboration Systems. Visit the TeamWork System Builder to create a customized system for your collaboration environment.
  • Front panel USB configuration port — Enables easy configuration without having to access the rear panel.
  • JITC Certified — Successfully completed interoperability and information assurance testing for use in government applications and other mission-critical environments.
  • Easy setup and commissioning with Extron's PCS - Product Configuration Software — Conveniently configure multiple products using a single software application.
  • Compact 1U, half rack width metal enclosure — The half rack width enclosure is designed for inconspicuous under‑table placement using the UTS Series Under Table Shelf System or MBU 123 Low‑Profile Mount Kit, available separately.
  • Includes LockIt® HDMI cable lacing brackets
  • Internal Extron Everlast™ power supply — Provides worldwide power compatibility, with high‑demonstrated reliability and low power consumption for reduced operating cost
  • Extron Everlast Power Supply is covered by a 7‑year parts and labor warranty
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    IN1604 Series
    Video input
       Number/signal type 1 analog RGBHV, component video (YUVi, YUVp, and YUV-HD), S-video, or composite video
    3 HDMI/DVI (HDCP compliant)
       Connectors 1 female 15-pin HD
    3 female HDMI type A
       Equalization Automatic
       Input cable length Up to 75' (22.9 m) for all supported input rates
       Nominal level 1 Vp-p for Y of component video and S-video, and for composite video
    0.7 Vp-p for RGB and for R-Y and B-Y of component video
    0.3 Vp-p for C of S-video
       Minimum/maximum levels Analog: 0.0 V to 1.0 V with no offset at unity gain
       Impedance 75 ohms
       Horizontal frequency 15 kHz to 100 kHz
       Vertical frequency 24 Hz to 75 Hz
       Resolution range 640x480 to 1920x1200* sampled pixel for pixel, NTSC, PAL, SECAM, 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, and 2K
    *reduced blanking
       Return loss >30 dB @ 5 MHz
       DC offset (max. allowable) 0.5 V
       Standards DVI 1.0, HDMI, HDCP
    Video processing
       Decoder 12 bit digital (3D-adaptive comb filter)
       Analog sampling 12 bits per color; 13.5 MHz standard (video) 170 MHz standard (RGB)
       Digital pixel data bit depth 8, 10, or 12 bits per channel; 165 MHz pixel clock (HDMI)
       Colors 1 billion (10 bit processing)
    Video output
       Number/signal type 
          IN1604 DTP 1 DTP or HDBaseT, configurable (HDCP compliant)
          IN1604 HD 1 HDMI digital video (HDCP compliant)
          IN1604 DTP 1 female RJ-45
          IN1604 HD 1 female HDMI
       HDMI peripheral device power 200 mA
       Digital bit depth 8 or 10 bit, automatic
       Scaled resolution 640x4808, 800x6008, 1024x7688, 1280x7208,1280x7688, 1280x8008, 1280x10248, 1360x7688, 1366x7688, 1400x10508, 1440x9008, 1600x9008, 1600x12008, 1680x10508, 1920x12008
    HDTV 480p7,8, 576p6, 720p3,4,5,6,7,8, 1080i6,7,8, 1080p1,2,3,4,5,6,7,8, 2K (2048x1080)1,2,3,4,5,6,7,8
    1 = at 23.98 Hz, 2 = at 24 Hz, 3 = at 25 Hz,4 = at 29.97 Hz, 5 = at 30 Hz, 6 = at 50 Hz, 7 = at 59.94 Hz, 8 = at 60 Hz
       Input type RGBHV, RGBS, RGsB, bi-level or tri-level component video
       Input standards NTSC 3.58, NTSC 4.43, PAL, SECAM, TMDS
       Input level 2.75 V to 5.0 Vp-p for RGBHV or RGBS
    0.6 Vp-p for component video tri-level sync
    0.3 Vp-p for component video bi-level sync, RGsB, or composite video
       Input impedance Horizontal and vertical: 510 ohms
       Max. input voltage 5.0 Vp-p
    Interconnection between IN1604 DTP and DTP/HDBaseT receiver (IN1604 DTP only)
       Connectors 1 female RJ-45
       Termination standard TIA/EIA-T568B
       Signal transmission distance 
          DTP 330 Up to 330' (100 m) using shielded twisted pair cable or XTP DTP 24 STP cable
          DTP 230 Up to 230' (70 m) using shielded twisted pair cable or XTP DTP 24 STP cable
       Cable requirements Solid conductor, 24 AWG or better
       Cable recommendations 400 MHz bandwidth, STP (shielded twisted pair)
        NOTE     Extron XTP DTP 24 shielded twisted pair cable is strongly recommended for optimal performance.
        NOTE     Output signals:
    DTP:           HDMI with embedded audio, analog audio, RS-232 and IR, and remote power
    HDBaseT:  HDMI with embedded audio, RS-232 and IR
       Frequency response 20 Hz to 20 kHz, ±0.5 dB
       THD + Noise < 0.1% @ 1 kHz, 20 Hz to 20 kHz bandwidth (at nominal level)
       S/N >90 dB, at maximum output (unweighted)
       Crosstalk ≤ -80 dB @ 1 kHz, fully loaded
       Stereo channel separation >80 dB @ 1 kHz
    Audio input
       Number/signal type 1 analog stereo, unbalanced
    1 analog stereo, balanced/unbalanced
    3 digital stereo, de-embedded from HDMI (PCM only)
       Connectors (1) 3.5 mm stereo jack; tip (L), ring (R), sleeve (ground)
    (1) 3.5 mm captive screw connector, 5 pole
    3 female HDMI type A
       Impedance Analog inputs: >10k ohms unbalanced, >20k ohms balanced
       Nominal level 3.5 mm stereo jack: +4 dBu (1.23 Vrms)
    Captive screw connector: +4 dBu (1.23 Vrms) or -10 dBV (316 mVrms), adjustable
       Maximum level Analog inputs: +15 dBu unbalanced, +21 dBu balanced
       CMRR 70 dB @ 1 kHz
       Input gain adjustment -18 dB to +24 dB, adjustable per input, in 1 dB steps, analog inputs only
        NOTE     0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
    Audio output
       Number/signal type 
          IN1604 DTP 1 analog stereo or mono, balanced/unbalanced
    1 DTP (embedded digital audio and remote balanced/unbalanced analog audio) or HDBaseT (embedded digital)
           NOTE     Remote analog audio output is not available in HDBaseT mode.
          IN1604 HD 1 analog stereo or mono, balanced/unbalanced
    1 HDMI embedded
          IN1604 DTP (1) 3.5 mm captive screw connector, 5 pole
    1 female RJ-45
          IN1604 HD (1) 3.5 mm captive screw connector, 5 pole
    1 female HDMI
       Impedance 50 ohms unbalanced, 100 ohms balanced
       Gain error ±0.5 dB channel to channel
       Maximum level (Hi-Z) >+15 dBu, unbalanced, >+21 dBu, balanced at 1% THD+N
       Output volume range 0 to -100 dB in 1 dB steps
        NOTE     System gain for the analog DTP receiver output is rated at -12 dB (unbalanced) and -6 dB (balanced).
    Communications — scaling presentation switcher
       Serial control port 
          IN1604 DTP 1 bidirectional RS-232, 3.5 mm captive screw connector, 5 pole (rear panel, uses 3 poles)
          IN1604 HD 1 bidirectional RS-232, 3.5 mm captive screw connector, 3 pole (rear panel)
       Baud rate and protocol 9600, 8 data bits, 1 stop bit, no parity
       Serial control pin configuration 
          IN1604 DTP 1, 2 = unused, 3 = Tx, 4 = Rx, 5 = Gnd
          IN1604 HD 1 = Tx, 2 = Rx, 3 = Gnd
       Contact closure 4 contact closure inputs on (1) 3.5 mm captive screw connector, 5-pole
       Tally output 4 tally outputs on (1) 3.5 mm captive screw connector, 5-pole
       Tally output power +5 VDC, 0.2 A
       USB control port 1 front panel female mini USB B
       USB standards USB 2.0, high speed
       Program control Extron PCS configuration software for Windows®
    Extron Simple Instruction Set (SIS)
    Communications — external device (pass-through, unidirectional or bidirectional) (RS-232/IR over TP for the IN1604 DTP only)
        NOTE     Protocol is mirrored between the connected DTP endpoint and the "Over TP" port on the IN1604 DTP. Signals from a control device pass into the "Over TP" port, are embedded with the TP signal, and sent to an individual DTP Rx or HDBaseT endpoint for control of remote sink devices.
    The "Over TP" port is simply a pass-through connection to endpoints. There is no RS-232 or IR insertion from any IN1604 DTP control port to the "Over TP" port.
       Serial control pass-through port 
          "Over TP" output RS-232 via (1) 3.5 mm captive screw connector, 5 pole (shared with IR port)
       Baud rates Up to 115200 baud
       Protocol 6 - 8 data bits
    1 or 2 stop bits
    no parity (default)
    even or odd parity
    flow control = XON, XOFF, none
       Serial control pin configuration 1 = Tx, 2 = Rx, 3 = Gnd
       IR pass-through control port TTL level (0 to 5 V) modulated infrared control from 30 kHz up to 60 kHz
          "Over TP" output (1) 3.5 mm captive screw connector, 5 pole (shared with RS-232 port)
       IR control pin configuration 3 = Gnd, 4 = IR Tx, 5 = IR Rx
       Power supply Internal
    Input: 100-240 VAC, 50-60 Hz
       Power consumption 
          Full power 
             IN1604 DTP 25.0 watts
             IN1604 HD 15.1 watts
          Power save mode 
             IN1604 DTP 9.0 watts
             IN1604 HD 6.6 watts
       Remote power capability IN1604 DTP only: supports one DTP Rx endpoint device
        NOTE     Remote power is not available in HDBaseT mode.
       Temperature/humidity Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
    Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
       Cooling Fan, air flows front to rear, vents on front and rear
       Thermal dissipation 
          Full power 
             IN1604 DTP 67.0 BTU/hr
             IN1604 HD 50.2 BTU/hr
          Power save mode 
             IN1604 DTP 28.0 BTU/hr
             IN1604 HD 22.3 BUT/hr
          Rack mount Yes, with optional rack shelf
          Furniture mount Yes, with optional under-desk or through-desk mounting kit
       Enclosure type Metal
       Enclosure dimensions 1.75 H x 8.75" W x 8.5" D (1U high, half rack wide)
    (4.4 cm H x 22.2 cm W x 21.6 cm D)
    (Depth excludes connectors.)
       Product weight 
          IN1604 DTP 2.1 lbs (1.0 kg)
          IN1604 HD 2.1 lbs (1.0 kg)
       Shipping weight 
          IN1604 DTP 4 lbs (2 kg)
          IN1604 HD 4 lbs (2 kg)
       Vibration ISTA 1A in carton (International Safe Transit Association)
       Regulatory compliance 
          Safety CE, c-UL, UL
          EMI/EMC CE, C-tick, FCC Class A, ICES, VCCI
          Environmental Complies with the appropriate requirements of RoHS, WEEE.
       Product warranty 3 years parts and labor
       Everlast power supply warranty 7 years parts and labor
        NOTE     All nominal levels are at ±10%.
        NOTE     Specifications are subject to change without notice.
    Shipping Dimensions and Weights
        Part # Height Width Depth Weight
        60-1457-01 14.25" (36.2 cm) 13.25" (33.7 cm) 4.5" (11.4 cm) 3.54 lbs (1.61 kg)
        60-1457-02 4.5" (11.4 cm) 13.25" (33.7 cm) 14.0" (35.6 cm) 3.5 lbs (1.59 kg)


    Panel Drawing

    Panel Drawing
    © 2021 Extron. Specifications are subject to change without notice.