Kramer SWT3-81-PR 8x1:2 4K60 USB-C/HDMI Presentation Switcher
The Kramer SWT3-81-PR is a high-performance video processing and fast-switching scaling switcher with coupled AV + USB routing. It has eight USB-C and HDMI/USB inputs, one interchangeable HDBaseT 3.0 input or output port, and mirrored HDMI output. The unit supports both local and remote content sharing and multi-view presentation capability. The switcher has integrated audio DSP and a rich set of analog and digital interfaces, for high-quality audio-visual experience during hybrid sessions in meeting spaces and halls.
Typical placements: Enterprise conference halls, boardrooms, and training centers; Education lecture halls and auditoriums; Governmental facilities, such as court rooms. Clean and instantaneous routing between switcher inputs and outputs, with smooth and uninterrupted transitions Built-in ProcAmp high-resolution scaling technology for optimal up or down image scaling
| Inputs | 2 Full-featured USB-C: On USB type-C female connectors; 6 HDMI: On HDMI female connectors; 1 Analog Mic: On a 6.3mm jack connector; 4 Analog Mic or 4 Balanced Mono Audio or 2 Balanced Stereo Audio: On 3-pin terminal block connectors |
|---|---|
| Outputs | 1 HDMI: On an HDMI female connector; 1 Analog Audio Balanced Stereo Line Level: On a 5-pin terminal block connector |
| Interchangeable Inputs/Outputs | 1 HDBT: On an RJ-45 female connector |
| 1 1000BaseT Ethernet | On an RJ-45 female connector for LAN connection & extension |
| 1 100BaseT Ethernet | On an RJ-45 female connectors for LAN connection & management |
| 6 USB 3.2 Host | On USB type-B female connectors |
| 3 USB 3.2 Device | On USB type-A female connectors |
| 2 RS-232 | On 3-pin terminal block connectors |
| 2 GPIO | On 2-pin terminal block connectors |
| Video | Max Bandwidth: : 18Gbps (6Gbps per graphic channel); Max Resolution: 4K@60Hz 4:4:4 24bpp resolution; Max Channel Resolution for Dual-channel Extension over HDBT: 4K@30Hz 4:4:4 24bpp resolution; Content Protection: HDCP 2.3; Compliance: HDMI 2.0b |
| Video Performance | Scaling: Up, down or cross-scaling; Minimum Input Scaled Resolution: 480p; Max Output Scaled Resolution: 4K@60Hz 4:4:4 24bpp resolution; Max Switching Time: 1sec; Max Frames Latency: 2 |
| Multi View | Windows Layouts: PiP, PoP, Quad, Stacked, Side-by-side, Split; Max Layout Inputs: 4 |
| USB-C | AV Compliance: MST DP Alt Mode; Max Input AV Streams: 2; USB Compliance: 3.2 Gen 2; Max USB 3.2 Data Rate: 10Gbps; Charging Compliance: PD 3.0; Max Charging Power Per Port: 60W |
| USB | Max USB 3.2 Data Rate: 10Gbps; Integrated USB Hubs (layers): 1; Standards Compliance: USB 3.2 GEN 2, 2.0 and 1.1 |












