DOCK2X4KTB - Computer accessory ProXtend - Free user manual and instructions

Product Type	Thunderbolt Dual 4K Dock
Brand	ProXtend
Model	DOCK2X4KTB
Dimensions (approx.)	20 x 10 x 3 cm
Weight (approx.)	300 g
Power Input	AC 100-240V, 50/60Hz; DC 20V/6.75A via included adapter
Power Delivery (PD)	Up to 60W charging for laptop
Upstream Port	USB-C Thunderbolt 3 (supports PD 60W)
Video Output	Dual DisplayPort 1.4: single 8K@30Hz or dual 4K@60Hz
Downstream USB-C Ports	2 x USB-C 3.2 Gen 2 (rear)
Downstream USB-A Ports	2 x USB-A 3.2 Gen 1 (rear); 1 x USB-A 3.2 Gen 2 BC 1.2 (front)
Ethernet	RJ45 Gigabit Ethernet (10/100/1000 BASE-T)
Audio	Combo Audio Jack (headset in/out)
Compatible Operating Systems	Windows 10, macOS 10
Regulatory Compliance	CE, FCC Part 15 Class B
Environmental Compliance	WEEE compliant
Care & Cleaning	Wipe with a dry, soft cloth. Do not use liquids or aerosols.
Safety Instructions	Keep away from humidity; do not drop; if damaged, consult service technician.
Spare Parts & Repairability	No user-serviceable parts. Contact ProXtend support for repairs.
Warranty	Refer to manufacturer’s warranty policy.

Frequently Asked Questions - DOCK2X4KTB ProXtend

Is the DOCK2X4KTB compatible with my MacBook or Windows laptop?

Yes, it works with Thunderbolt 3 or USB-C (USB 3.2 Gen 2 with VESA Alternate mode) laptops running Windows 10 or macOS 10.

Can I connect two 4K monitors at 60Hz?

Yes, the dock supports dual 4K@60Hz via DisplayPort 1.4 when connected to a compatible Thunderbolt 3 host.

What is the maximum video resolution supported?

When using a single monitor, it can support 8K@30Hz on DP1. For dual monitors, each can run at 4K@60Hz.

Does the dock charge my laptop?

Yes, it provides Power Delivery up to 60W to charge your laptop through the upstream Thunderbolt 3 cable.

What type of Ethernet port does it have?

It has a Gigabit Ethernet (10/100/1000 BASE-T) RJ45 port.

Can I use the USB-A front port for fast charging?

Yes, the front USB-A port supports BC 1.2 for faster charging of compatible devices.

Does the dock support audio input and output?

Yes, it has a combo audio jack that supports both headphone output and microphone input.

Is the dock compatible with USB-C laptops that are not Thunderbolt 3?

It is compatible with USB-C laptops supporting USB 3.2 Gen 2 and VESA Alternate Mode. However, video performance may be limited (e.g., max dual 4K@30Hz).

Does the dock support extended desktop on Mac?

MacBooks with USB-C (not Thunderbolt 3) do not support extended mode; mirror mode only. Thunderbolt 3 Macs support extended.

What is included in the box?

The package includes the Thunderbolt Dual 4K Dock, a Thunderbolt cable, and a power adapter (20V/6.75A).

USER MANUAL DOCK2X4KTB ProXtend

Thunderbolt Dual 4K Dock

Exterior view of a black THUNDERBOLT device with ports and ventilation slots (no readable text or symbols beyond branding)

User Manual

ProXtend

Safety Instructions

Always read the safety instructions carefully

• Keep this User Manual for future reference
• Keep this equipment away from humidity
  • In any of the following situations, get the equipment checked by a service technician:
• The equipment has been exposed to moisture.
• The equipment has been dropped and damaged.
• The equipment has obvious sign of breakage.
• The equipment has not been working well or cannot get it to work according to the User Manual.

Copyright

This document contains proprietary information protected by copyright. All rights are reserved. No part of this manual may be reproduced by any mechanical, electronic or other means, in any form, without prior written permission of the manufacturer.

Trademarks

All trademarks and registered trademarks are the property of their respective owners or companies.

Introduction

Before attempting to connect, operate or adjust this product, please read the User Manual.

The Thunderbolt Dual 4K Dock is a plug-and-play dock, designed for your Thunderbolt 3 or USB-C (USB 3.2 Gen 2 with VESA Alternate mode) laptop with extra connectivity demands. With this docking station, you can extend the connection of a computer to 2 DisplayPort up to 8Kp30 x 1 or 4Kp60 x 2, and more USB-A, USB-C peripherals, Ethernet network and the headset. Adopting PD Charging technology, it can easily charge your laptop up to 60W through a single USB-C Thunderbolt interface, and compatible with Mac and Windows laptops which are equipped with USB Type-C port.

The docking station is equipped with dual video outputs, you can mirror your primary screen or extend*1 the screen just like a dual-monitor workstation to allow visibility of more applications at the same time. With enhanced expansion capability and video output function, this docking station is the most versatile accessory that also complements your home or office space.

* 1: MacBook with USB-C will NOT support extend mode.

Features

- Video output

DP1.4 x2 (Support resolution up to

8K@30Hz on DP1 or dual 4k@60Hz)

LAPTOP TYPE DP 1	DP 2
DP 1.4THUNDERBOLT 3	8KP30
		8KP30
	4KP60 4KP60
DP 1.2THUNDERBOLT 3	4KP60
		4KP60
	4KP60 4KP60
DP 1.4USB-C	4KP60
		4KP60
	4KP30 4KP30
DP 1.2USB-C	4KP30
		4KP30
	2KP60 2KP60

- Upstream Port

USB-C Thunderbolt 3 x1 (Support PD

Charging up to 60W)

- Downstream Port

USB-C 3.2 Gen 2 x2 (rear)

USB-A 3.2 Gen 1 x2 (rear)

USB-A 3.2 Gen 2 BC 1.2 x1 (front)

RJ45 Gigabit Ethernet

Combo Audio

Package Contents

• Thunderbolt 3 Mainstream Dock x 1
• Thunderbolt Cable x 1
  • Power Adapter(20V/6.75A)x 1

Supported Operating Systems:

Product Overview

FRONT

Windows®10

Mac OS®10

1. Thunderbolt 3 port Connect to your laptop
2. Combo Audio Jack Connect to a headset
3. USB-A 3.2 Gen 2 Connect to USB-A device and support BC1.2
4. K-Lock Secure your device safety

ENGLISH

Product Overview

REAR

1. RJ45 port Connect to Ethernet
2. USB-A 3.2 Gen 1 Connect to USB devices
3. USB-C 3.2 Gen 2 Connect to USB-C devices
4. DisplayPort (DP1) Connect up to the 8K monitor
5. DisplayPort (DP2) Connect up to the 4K monitor
6. Power Jack Connect to the power adapter

Connection

To connect the USB peripherals, Ethernet, speaker and microphone, follow the illustrations below to connect the corresponding connectors.

ENGLISH

Specifications

User Interface Upstream USB-C Thunderbolt 3 x1
Downstream DP 1.4 female	connector x2
	USB-C 3.2 Gen 2x2
	USB-A 3.2 Gen 2x1, support BC1.2
	USB-A 3.2 Gen 1x2
	RJ45 connector x1
	Combo Audio Jack (IN/OUT) x1
Video Resolution Single 8K@30Hz or Dual 4k@60Hz
Ethernet Type 10/100/1000 BASE-T
Power Power adapter Input: AC 100-240V
	Output: DC 20V/6.75A
Max. PD Charging 60W
Working Environment	Operation Temperature 0~35 degrees
	Storage Temperature -40~80 degrees
Compliance CE, FCC

FCC Conditions

Regulatory Compliance

This equipment has been tested and found to comply with Part 15 Class B of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received and include interference that may cause undesired operation.

FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.

CE

This equipment is in compliance with the requirements of the following regulations: EN 55032/EN 55024: CLASS B

WEEE Information

For EU (European Union) member users: According to the WEEE (Waste electrical and electronic equipment) Directive, do not dispose of this product as household waste or commercial waste. Waste electrical and electronic equipment should be appropriately collected and recycled as required by practices established for your country.