KRAMER MTX3-88-HSA 8×8 4K60 HDMI + Audio Scaler Matrix Switcher

Description

Kramer MTX3-88-HSA 8×8 4K60 HDMI + Audio Scaler Matrix Switcher

The Kramer MTX3-88-HSA is a high-quality scaler-based 8×8 matrix switcher designed for professional HDMI and audio signal distribution. It features eight HDMI inputs independently routable to eight HDMI outputs, delivering 4K/60 UHD video with full 4:4:4 color sampling. A built-in video scaling processor enables fast and clean switching in under one second, ensuring smooth and reliable presentation transitions.

Each HDMI output supports independent upscaling or downscaling, allowing seamless compatibility between mixed source and display resolutions. The integrated audio matrix includes four balanced analog audio inputs and four balanced analog audio outputs, supporting flexible routing of digital or analog audio sources, including ARC (Audio Return Channel) signals from connected displays.

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Advanced Video, Audio & Multiview Capabilities

The MTX3-88-HSA supports HDMI 2.0b features such as Deep Color, 3D, ARC, and up to 7.1 uncompressed audio channels, with HDCP 2.3 compliance for protected content workflows. Multiview functionality allows each HDMI output to display content from two inputs simultaneously using layouts such as picture-in-picture or side-by-side. Splash screen support enables up to 16 preloaded images to be assigned to any output, ideal for welcome screens, branding, or emergency messaging.

Flexible Control & Secure Operation

Control is available via a secured web-based GUI over IP, Kramer P3K API commands, legacy RS-232 (P2K API), or directly through the front panel LED button interface. IP Gateway support enables CEC and GPIO control messaging, while I-EDIDPro™ Kramer Intelligent EDID Processing™ ensures reliable plug-and-play operation through advanced EDID capture, storage, and management per input.

Housed in a compact 1U 19” rack-mount enclosure with included rack ears and a universal 100–240V AC power supply, the MTX3-88-HSA is ideal for conference rooms, control rooms, classrooms, and other professional AV environments requiring scalable video processing, audio breakaway, and secure network control.

Detailed Specifications

• Model: MTX3-88-HSA • Type: 8×8 HDMI + Audio Scaler Matrix Switcher • Supported Interfaces: HDMI, Ethernet (RJ-45) • Video Support: 4K/60 UHD (4:4:4) • HDCP: HDCP 2.3 • Inputs: • HDMI: 8 × HDMI (female) • Analog Audio Inputs: 4 × stereo balanced (terminal block) • Outputs: • HDMI: 8 × HDMI (female) • Analog Audio Outputs: 4 × stereo balanced (terminal block) • Video: • Maximum Output Resolution: 4K @ 60 Hz (4:4:4) • Maximum Data Rate: 18 Gbps (6 Gbps per graphic channel) • Switching Time: < 1 second (standard mode) • Compliance: Deep Color, 3D, ARC, up to 7.1 uncompressed audio (HDMI 2.0b) • Multiview: Picture-in-picture, side-by-side (per output) • Audio: • Audio Routing: Independent audio breakaway and ARC extraction • Routable Signals: Input/output ports, breakaway forward signals, ARC signals • Control & Interfaces: • Ethernet: 1 × RJ-45 (device control & management) • RS-232: 1 × 3-pin terminal block (legacy control) • Front Panel: 8×8 select buttons + 12 control buttons with LED indicators • Status Indicators: 3 × front panel LEDs • Control Protocols: Kramer P3K API (IP), P2K API (RS-232) • Power: • Power Source: 100–240V AC, 50/60Hz • Power Consumption: 66 VA • Low Power Mode: Up to 50% power saving • Physical: • Enclosure: Aluminum, 19" rack-mountable • Rack Height: 1U • Cooling: Fan ventilation • Maximum Noise: 46 dBA • Environmental: • Operating Temperature: 0° to +40°C (32° to 104°F) • Storage Temperature: −40° to +70°C (−40° to 158°F) • Humidity: 10% to 90% RH, non-condensing • Dimensions & Weight: • Product Dimensions: 43.6cm × 18.3cm × 4.4cm (17.18" × 7.20" × 1.72") W × D × H • Product Weight: 2.5kg (5.5lbs) approx • Shipping Dimensions: 53.0cm × 33.0cm × 10.7cm (20.87" × 12.99" × 4.21") W × D × H • Shipping Weight: 3.4kg (7.4lbs) approx • Included Accessories: • In the Box: Rack ears, power cord