This article covers 8K HDMIリピーター 2.1アクティブシグナルブースター KSRplayer HDMIアンプエクステンダー 最大55フィート 8K60Hz 4K120Hz対応 ロスレス伝送 ゲーム機.

Overview

The KSRplayer 8K HDMI Repeater 2.1 Active Signal Booster is a compact active repeater that maintains the full HDMI 2.1 bandwidth over longer cable runs. It supports lossless transmission up to 8K@60Hz (4:4:4) or 4K@120Hz, making it ideal for home theaters, conference rooms, or any setup requiring extended HDMI connections. The metal housing provides excellent heat dissipation and durability, while compatibility with CEC, HDR, and HDCP 2.3 ensures broad device support. This repeater can extend HDMI signals up to 55 feet (16.8m) at 8K, 66 feet (20.1m) at 4K120Hz, and 104 feet (31.7m) at 1080p60. Power is supplied via USB-C (5V/1A) – the included USB cable provides power, but you'll need your own 5V/1A USB power adapter. ## Specifications | Item | Specification | | --- | --- | | Max Resolution | 8K (7680×4320) @60Hz | | Max Refresh Rate | 4K @120Hz | | Data Transfer Rate | 48 Gbps (HDMI 2.1) | | Max Distance (8K) | 55 ft (16.8m) | | Max Distance (4K120Hz) | 66 ft (20.1m) | | Max Distance (1080p60) | 104 ft (31.7m) | | Power Input | USB-C 5V/1A (adapter not included) | | Connector Type | HDMI 2.1 female (input & output) | | Housing Material | Metal | | Supported Standards | CEC, HDR, HDCP 2.3 | | Warranty | 2 years (manufacturer) |

Connectivity & Compatibility

On the input side, the repeater works with any HDMI source such as 8K Blu-ray players, PS5, Xbox Series X/S, gaming PCs, and laptops. The output connects to TVs, monitors, and projectors. It is backward compatible with HDMI 1.x and 2.0 devices. For full HDMI 2.1 performance (48 Gbps, VESA DSC, dynamic HDR), pair it with a high-quality 24AWG Ultra High-Speed HDMI cable (sold separately). Power via USB-C requires a 5V/1A USB power adapter (not included).

Product Info

KSRplayer is a brand available on . This HDMI repeater is priced around ¥14,643 (tax included) and is believed to have launched in 2025 or later. The metal housing and gold-plated connectors ensure long-term reliability. Package includes the repeater unit, USB power cable, and user manual. No power adapter is included. Market positioning: entry-level active HDMI repeater with 48Gbps support. It offers an affordable solution for home users and small offices, though professional installations may prefer higher-end models with additional features or support. Purchase link:

Best Use Cases

Home theater enthusiasts: Extend signal to a projector or TV placed away from the source. Supports both 8K movies and 4K120Hz gaming. Gamers: Connect a PS5 or Xbox Series X to a monitor or TV across the room without losing 4K120Hz or HDR. * Conference rooms/classrooms: Ceiling-mounted projectors or large displays far from the presentation PC. CEC support allows power sync.

Product Disclosure (Amazon)

  • Manufacturer: KSRplayer
  • Seller: HINACO
  • Fulfilled by: HINACO
  • ASIN: B0GVN1VK8C
  • Note: This article covers a manufacturer-made product based on Amazon listing details.