Description
The Kramer VP-551X is a high-performance 10-input 4K presentation switcher/scaler designed for professional AV environments that demand flexible connectivity, advanced video processing, and powerful audio management. Supporting 4K@60Hz (4:4:4) HDMI inputs, VGA, and composite video sources, it ensures exceptional clarity and seamless switching without signal disruption.
Engineered for modern workflows, the VP-551X features dual mirrored outputs (HDMI and HDBaseT) and extensive audio routing options, including embedded audio, multiple analog audio inputs, microphone support with 48V phantom power, balanced stereo outputs, S/PDIF digital audio, and a built-in 20W per-channel loudspeaker amplifier.
With advanced scaling, HDR10 support, ProcAmp controls, long-distance HDBaseT transmission, PoE capability, and multiple control interfaces such as RS-232, Ethernet, IR, and on-screen display, the VP-551X delivers reliable, broadcast-quality performance ideal for classrooms, conference rooms, auditoriums, and corporate AV systems.
| Category | Details |
|---|---|
| Video Inputs | 8 HDMI; 1 VGA (15-pin HD); 1 Composite Video (RCA) |
| Audio Inputs | 8 unbalanced stereo (for HDMI inputs); 1 unbalanced stereo (VGA); 1 unbalanced stereo (CV); 2 microphone inputs (6.3mm, optional 48V phantom power) |
| Video Outputs | 1 HDMI; 1 HDBaseT |
| Audio Outputs | 1 balanced stereo (5-pin terminal); 1 digital S/PDIF; 1 speaker output (2Γ20W @ 4Ξ©) |
| Video Performance | Supports input resolutions up to 4K@60Hz (4:4:4); HDBaseT output up to 4K@60Hz (4:2:0) |
| Advanced Video Features | HDR10, CEC, xvYCC, Dolby TrueHD/DTS-HD pass-through, PixPerfectβ’ scaling, selectable aspect ratios |
| HDBaseT Range | 130m at 1080p; 100m at 4K60 (4:2:0) |
| Control Interfaces | RS-232 (data & control), Ethernet (100 Mbps), IR, OSD, front-panel controls |
| Latency | 1β2 frames |
| Power | 100β240V AC; provides PoE over HDBaseT |
| Power Consumption | 130 VA |
| Enclosure | 19" aluminum, 1U rack-mount with included rack ears |
| Cooling | Convection |
| Operating Temperature | 0Β° to +40Β°C (32Β° to 104Β°F) |
| Storage Temperature | β40Β° to +70Β°C (β40Β° to 158Β°F) |
| Humidity | 10β90% non-condensing |
| Compliance | CE, FCC |
| Included Accessories | Power cord, rubber feet, rack ears, IR remote |
| Product Dimensions (WΓDΓH) | 43.64 Γ 23.72 Γ 4.36 cm (17.18" Γ 9.34" Γ 1.72") |
| Product Weight | 2.3 kg (5.1 lbs) |
| Shipping Dimensions | 55.00 Γ 27.60 Γ 10.70 cm (21.65" Γ 10.87" Γ 4.21") |
| Shipping Weight | 3.4 kg (7.5 lbs) |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some productsβsuch as custom orders, special-order items, audio gear, software, and LED video wallsβare non-returnable. Non-defective returns may be subject to a 20β30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery β trusted by 275+ clients across industries
