Report item
Item specifics
  • Package: Yes
  • Shape: rectangle
  • Model Number: 921PR
  • Size: 25x11x2
  • Material: Metal
Product Description

HDMI 2x1 Multi-Viewer With PIP YT-HDS821P 1080p Seamless switcher 2 into 1 HDTV

4 (1)

I. Introduction

This product is a high performance 2 by 1 Multi-Viewer. It supports two High definition input source display on one screen. As a Multi-Viewer, it can display on one screen in 4 modes. 

II. Features

  1. 1.          Compliant with HDMI 1.3a,HDCP 1.2;
  2. 2.          Supports multiplexed HDMI 2-input and 1-output and 4 display modes;
  3. 3.          Supports up to 1080p High Definition resolution;
  4. 4.          Support scaler up, scaler down function;
  5. 5.          Support multi output resolution;
  6. 6.          Support digital audio format LPCM/AC3/DTS

III. Package

  1. 1.        HDMI 2x1 Multi-Viewer ------------------------------------------------------------------ 1PCS
  2. 2.        5V1A DC Power adapter ----------------------------------------------------------------- 1PCS
  3. 3.        Operation Manual ------------------------------------------------------------------------- 1PCS

IV. Specifications

1.          Video Bandwidth                       225MHz[6.75Gbps]

2.          Input Ports                                  2 × HDMI (Female type)

3.          Output Ports                               1 × HDMI (Female type),

4.          Audio output                              PCM2, 5.1, 7.1CH, Dolby 5.1, DTS5.1

5.          Input Resolution                        480i60Hz,480p60Hz,576i50Hz,576p50Hz,720p50/60Hz,



6.          Output Resolution                     1080p,1080i,720p,1024x768,1360x768

7.          ESD Protection                                         Human Body model:   ±8 kV (air-gap discharge)

                                                                                                                ±4 kV (contact discharge)

8.     Power Supply              5V/1A DC (US/EU standards, CE/FCC/UL certified)

9.     Dimensions                                 70 mm (W)×140mm (D)×25 mm (H)

10.    Weight                                           300 g 

11.    Chassis Material                      Metal

12.    Silkscreen Color            Black

13.    Operating Temperature           0 °C~40 °C/ 32 °F~104 °F

14.    Storage Temperature        −20 °C ~ 60 °C/−4 °F ~140 °F

15.    Relative Humidity                     20~90 % RH (non-condensing)

16.    Power Consumption (Max)  10W


V. Operation controls and Functions

Front Panel


  1. 1.        POWER LED:This red LED illuminates when the device is connected with power supply.
  2. 2.        OUTPUT LED:Thisred LED illuminates when the TV plug incorresponding HDMI output


  1. 3.        IN2 LED:This red LED illuminates when the HDMI IN2 is selected as main image.
  2. 4.        IN1 LED:This red LED illuminates when the HDMI IN1 is selected as main image.
  3. 5.        SOURCE:Press the button to select the input source as main image, and the LED will indicate the corresponding input source.
  4. 6.        MODE:Press the button to select display mode.See the description 1.
  5. 7.        POSITION:Press the button to select the position of sub image when in PIP mode.
  6. 8.        SIZE:Press the button to select the size of sub image when in PIP mode.
  7. 9.        RESOLUTION:Press the button to select the output resolution.




1080P, Main image audio


1080I, Main image audio


720P, Main image audio


1024x768,Main image audio


1360x768,Main image audio


Rear Panel


  1. 1.          SERVICE:Connected to computer via RS232 tool, and controlled via host-computer software.
  2. 2.          HDMI IN1:This slot is where you connect the HDMI source output from DVD, PS3.
  3. 3.          HDMI IN2:This slot is where you connect the HDMI source output from DVD, PS3.
  4. 4.          HDMI OUTPUT:This slots is where you connect the HDTV or monitor with HDMI cable.
  5. 5.          DC 5V IN:Plug the 5V DC power supply into the unit and connect the adapter to AC wall outlet


 Description 1 Mode Introduction:

1.         Mode 1: One-view mode

2.         Mode 2: PIP mode

3.         Mode3: POP mode A

4.         Mode 4: POP mode B


6 (2)

HDMI-2x1-Multi-Viewer-With-PIP-YT-HDS821P-1080p-Seamless-switcher-2-into-1-HDTV-Free (3)HDMI-2x1-Multi-Viewer-With-PIP-YT-HDS821P-1080p-Seamless-switcher-2-into-1-HDTV-Free (1)HDMI-2x1-Multi-Viewer-With-PIP-YT-HDS821P-1080p-Seamless-switcher-2-into-1-HDTV-FreeS-PC-3235_4

6 (1)


   1. All items will be dispatched within the promised date. We will inform you via the Email if there is any delay.
   2. Please double check your address at aliexpress, phone number is important when there is something urgent.
   3. We normally declare items as gift with value of 15 dollars on customs declaration label, if you have special requirement, please inform us before our shipment.
    1. We are not responsible for delays caused by the customs, import duties, taxes or other customs charges.
    2. Please provide the proof of video within 5 days after you receive it if there is a quality problem, the problems will be solved with refund or replacement.
    3. Please inform us within 2 days after receive the wrong product. We can offer discount, replacement or refund after confirmation.
    4. We provide free maintenance within 6 months.
    5. Promotion products only offer replacement and maintenance services; refund is not accepted (except wrong products received.) 
    1. If you are satisfied with our products and service, your Positive Feedback will be much appreciated.
    2. If for any reason, you are not satisfied with your purchase, please contact us before leaving any negative or neutral feedback, we will try our best to help you.
    3. We will work with you until you are satisfied. We believe that friendly communication can solve all the problems.

    More Frequently Asked Questions and Answers about Tablets

    Maybe you have some problems with your tablet, but it is not broken or damaged, you just need to do some easy steps.


    For the first time, you can use the following tips to help yourself .            

Packaging Details
  • Unit Type: piece
  • Package Weight: 0.5kg (1.10lb.)
  • Package Size: 23cm x 15cm x 10cm (9.06in x 5.91in x 3.94in)
Calculate your shipping cost by country/region and quantity.
Quantity: Ship to:
Packaging Details
  • Unit Type: piece
  • Package Weight: 0.5kg (1.10lb.)
  • Package Size: 23cm x 15cm x 10cm (9.06in x 5.91in x 3.94in)
We support the following payment methods. All payments made on AliExpress are processed by Alipay.