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GC553G2

Live Gamer ULTRA 2.1

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Version：AVerMedia Streaming Center (Win) v1.6.31.2
OS：Win10 x64, Win 11
Description：
1.Supported Models:
GC515, GC531, GC535, GC551G2, GC553, GC553G2, GC553PRO, GC570D, GC571, GC573, GC575, GC311, BU113, PW310P, PW313, PW313D, PW315, PW513, PW515, AM310, AM310G2, AM350

2.GC575:
2-1. 4K 144Hz Support: Please update the GC575 firmware to version 1.1.6.12 or later.
2-2. Multi-channel 5.1 Audio Capture & Passthrough Support: Please update the GC575 firmware to version 1.1.6.12 or later.
2-3. VRR Recording Support: Please update the GC575 firmware to version 1.1.6.12 or later.

3.GC553G2:
3-1. Support 5.1 Multi-channel Monitoring/Recording: Please update the GC553G2 firmware to version 1.0.7.7 or later.
3-2. Support 4K 144Hz Recording: Please update the GC553G2 firmware to version 1.0.7.7 or later.

4.Support for Streaming on: YouTube, Twitch, Facebook, SOOP.

Version： StreamingCenterPLUG V2.1.8 (Win), Plugins for OBS Studio
OS：Win 11
Description：
1 Requires OBS Studio version 30.2 or later.
2 AVerMedia Center Upgrade: Includes AVerMedia features and works within OBS Studio.
3 Supported Devices: GC553Pro, GC553G2, GC575, GC515, GC535, GC531.
4 Supports 5.1 Multichannel Audio Capture: GC553Pro, GC553G2 (Firmware v1.0.7.7 or later), GC575 (Firmware v1.1.6.12 or later)

Version：[Application] AssistCentralPro_v4.0.39
OS：macOS 15
Description：
Support GC515; GC535; GC531; GC553; GC553G2; GC553PRO; GC551G2; GC311; GC313; GC313PRO; BU113;
PW310P; PW313; PW313D; PW315; PW513; PW515; AM310; AM310G2; AM350

1 Download, Install, and Update Notifications : Use Assist Central Pro to download, install, and receive notifications for any firmware updates.
2 Issue Reporting: Capture Platform Information
3 HDCP On/Off Toggle
Enable or disable HDCP (High-bandwidth Digital Content Protection) as needed for compatibility with connected devices.

Version：[Application] AssistCentralPro_v4.0.39
OS：Win10 x64; Win11

Description：
Support GC515; GC535; GC531; GC553; GC553G2; GC553PRO; GC570D; GC571; GC573; GC575; GC551G2; GC311; GC313; GC313PRO; BU113;
PW310P; PW313; PW313D; PW315; PW513; PW515; AM310; AM310G2; AM350

1 Download, Install, and Update Notifications : Use Assist Central Pro to download, install, and receive notifications for any firmware updates.
2 Issue Reporting: Capture Platform Information
3 HDCP On/Off Toggle
Enable or disable HDCP (High-bandwidth Digital Content Protection) as needed for compatibility with connected devices.

Version：[Application] Diagnosis Tool v2.0.1.8
OS：Win10 x64, Win11

Description：
Support GC553G2、GC575和GC571

Version GC553G2 FW Update Tool_1.0.7.10
OS: macOS 14, macOS 15
Description:
1 Enable VRR (Variable Refresh Rate) support for GC553G2 (Please use Assist Central Pro ver. 4.0.39 or later)
2 Fixed a screen freezing issue when VRR is set to Off and MJPEG is selected as the preview format.
3 Fixed an issue where enabling G-Sync with a 3840x2160p60 input source would cause the preview to freeze when MJPEG is selected.
4 Fixed a jittering issue in the preview when MJPEG is selected and a 1920x1080p240 input source is used with passthrough enabled.

Version：GC553G2 FW Update Tool_1.0.7.10
OS：Win10 x64, Win 11
Description：
1 Enable VRR (Variable Refresh Rate) support for GC553G2 (Please use Assist Central Pro_v4.0.39)
2 Fixed an issue where switching from 4Kp60 to 4Kp120/144 preview would cause the screen to freeze when the input source is 2560x1440p.
3 Fixed visual artifacts appearing at the bottom of the preview when using MJPEG format at 4Kp120/144 with a 2560x1440p input source.
4 Fixed a problem where switching from 4Kp60/120 to 2560x1440p caused the preview to freeze or show a black screen when set to 4Kp144 MJPEG.
5 Fixed a screen freezing issue when VRR is set to Off and MJPEG is selected as the preview format.
6 Fixed an issue where enabling G-Sync with a 3840x2160p60 input source would cause the preview to freeze when MJPEG is selected.
7 Fixed a jittering issue in the preview when MJPEG is selected and a 1920x1080p240 input source is used with passthrough enabled.

Version: AVerMedia Multi-channel Audio V1.0.2(OBS Plugin)
Operating System: Win10 x64; Win11
Description:
1.Support OBS Studio V30.2 or later
2.Support 5.1 multi-channel audio capture and pass-through: Please also use GC553G2 firmware V1.0.7.7
3.How to use AVerMedia Multi-channel Audio V1.0.1(OBS Plugin) please refer to the FAQ.

Version GC553G2 FW Update Tool_1.0.7.7
OS: macOS 13, macOS 14
Description:
Support 4K60 capture: System requirement: Mac computers with M1/M2 Ultra or above

Version: AVerMedia Multi-channel Audio V1.0.1(OBS Plugin)
Operating System: Win10 x64; Win11
Description:
Support 5.1 multi-channel audio capture and pass-through: Please also use GC553G2 firmware V1.0.7.7
How to use AVerMedia Multi-channel Audio V1.0.1(OBS Plugin) please refer to the FAQ.

Version：GC553G2 FW Update Tool_1.0.7.7
OS：Win10 x64, Win 11
Description：
1. Support 4K144: Please use Streaming Center V1.6.31.2 or later
2. Support 5.1 multi-channel audio capture and pass-through: Please use Streaming Center V1.6.31.2 or AVerMedia Multichannel audio (OBS Plugin)
3. Support Windows Dynamic LIghting: Please refer to this FAQ

GC553G2 User Manual

GC553G2 Datasheet

GC553G2 Quick Start Guide