B-Stock on pro AV gear can be a genuinely smart buy or a headache — and the difference usually comes down to what you inspect when the unit arrives. The AMX DVX-2265-4K 6x2+1 4K60 4:4:4 All-In-One Presentation Switcher is currently available B-Stock at $7,600, which puts it $1,900 under new MAP. That's a real number on a real piece of infrastructure.

This post covers what the DVX-2265-4K actually is, who it makes sense for, and — most importantly — the specific things worth checking on a B-Stock unit before it goes into a rack.

View the AMX DVX-2265-4K 6x2+1 4K60 4:4:4 All-In-One Presentation Switcher Product Page

What the DVX-2265-4K Is (and Isn't)

The DVX-2265-4K is a 2U all-in-one presentation switcher with six inputs, two HDMI outputs plus one additional output, an integrated control processor, onboard audio DSP, and a built-in amplifier. That's a lot to pack into two rack units, and it's worth being clear about what "all-in-one" means here: this unit replaces a switcher, a control processor, an audio DSP, and a power amplifier — four boxes that would otherwise need to be specified, cabled, and licensed separately.

It is not an enterprise matrix router. If you're running a large venue or a system with dozens of endpoints, this isn't the right tool. But for a mid-size conference room, a university classroom, or a house of worship that needs a clean, manageable 4K presentation system, it covers a lot of ground from a single chassis.

Input and Output Layout

The input mix is worth paying attention to:

• 4 HDMI inputs — standard HDMI 2.0, HDCP 2.2 compliant
• 2 DXLink-4K60 inputs — for extending sources over Cat cable via AMX DXLink transmitters
• 2 HDMI outputs + 1 additional output — useful for driving a display and a confidence monitor simultaneously

The DXLink inputs are significant. If your room has a podium, a table grommet, or a wall plate where presenters plug in, those two DXLink inputs let you run the cable cleanly without active components at the rack. Power is provided on every DXLink input and output, so you're not adding separate injectors to the BOM.

Video specs support 4K60 4:4:4 and 4:2:2, HDR10, 36-bit Deep Color, and resolutions up to 3840x2160 at 60Hz — including 4096x2160 at 4:2:0 for cinema-format content. The full 4:4:4 chroma path is relevant in rooms with fine-detail graphics or medical/legal imaging; for a standard PowerPoint-and-video conference room, 4:2:2 is already more than sufficient.

Audio: More Than a Switcher

The audio section is where this unit earns its "all-in-one" description most convincingly. Built in:

• 120W per channel stereo at 4 or 8 ohms
• 120W mono at 70V or 100V — useful for distributed speaker systems common in larger rooms
• Crown DriveCore amplifier technology (Crown's proprietary Class D platform, known for efficiency and headroom)
• Onboard audio DSP with acoustic echo cancellation, microphone processing, and output EQ
• 8x8 Dante IP audio — 8 input and 8 output channels over the network for integration with Dante-enabled conferencing gear

Acoustic echo cancellation built into the DSP means you're not purchasing a separate AEC processor for a standard conferencing setup. That's a meaningful cost and complexity reduction. The Dante layer adds flexibility for hybrid meeting rooms where audio needs to flow between the room system and a network-connected codec or recording system.

Control and Management

The DVX-2265-4K runs an integrated NetLinx control processor — the same AMX control platform used in purpose-built AMX control systems. It's fully programmable via NetLinx Studio and supports RMS Enterprise for fleet monitoring and management. A mobile-friendly HTML5 web interface is available for rooms that don't need a dedicated touch panel or where the integrator wants a quick-deploy control option.

For an AMX shop, this means the DVX-2265-4K fits cleanly into an existing NetLinx ecosystem. For an integrator newer to AMX, the learning curve is real — NetLinx programming is powerful but not plug-and-play. Factor that into your installation estimate if this is your first AMX control job.

The B-Stock Question: What to Actually Check

B-Stock on AV switching and control gear is different from B-Stock on a passive piece of equipment. Here's what we'd verify on receipt:

• Front panel and connectors — check HDMI ports for bent or pushed pins, DXLink ports for damage, and the front panel for cracks around the control interface. These are the highest-traffic points on a switcher.
• Rear panel labeling — verify input/output labels are intact and readable. Not a deal-breaker if they're worn, but useful to know before installation.
• Firmware version — power the unit and check the firmware revision. AMX releases NetLinx firmware updates regularly; confirming you can update to current before the unit goes into a production system is basic due diligence.
• Audio amplifier output — connect a passive speaker load (or a test load if you have one) and verify all amp channels produce output. A switcher's cosmetic condition tells you nothing about the amp section.
• Dante registration — if you're using the Dante audio routing, verify the unit's Dante license is present and the MAC address is registered correctly. This is rare but worth confirming on a unit with prior ownership.
• DXLink power output — if you're using the DXLink inputs, test that power delivery is functioning on each port before you terminate Cat cable in the field.

None of these checks are complicated, but they're worth running before the unit goes into a finished rack. Most B-Stock issues on this class of product are cosmetic — scuffs, a missing rack screw, a dinged corner. The electronics are usually fine. But "usually" is not the same as "confirmed."

Who This Makes Sense For

At $7,600 B-Stock versus $9,500 new, the DVX-2265-4K is worth serious consideration for:

• Integrators installing in conference rooms or classrooms where the all-in-one approach simplifies both the BOM and the rack layout
• Facilities teams taking on a room upgrade without a dedicated AV contractor — the HTML5 web interface and NetLinx ecosystem are well-documented
• Existing AMX NetLinx installs adding a room — the control processor integration is native, not bolted on

It's a harder sell if you need more than six inputs, if your room is already committed to a different control platform, or if the 70V/100V amp output isn't relevant to your speaker system and you'd rather specify a separate amp with more flexibility. In those cases, pay for exactly what fits.

View the AMX DVX-2265-4K 6x2+1 4K60 4:4:4 All-In-One Presentation Switcher Product Page

Frequently Asked Questions

What's the difference between the 4 HDMI inputs and the 2 DXLink inputs?

The four HDMI inputs accept a standard HDMI cable directly at the rack — straightforward for sources that are physically close. The two DXLink-4K60 inputs are designed for extended runs over Cat cable using AMX DXLink transmitters, which is the typical solution for a podium, table connection, or wall plate across the room. The DVX-2265-4K provides power on the DXLink ports, so no separate power injectors are needed at the transmitter end.

Does the built-in amplifier work for 70V distributed speaker systems?

Yes. The Crown DriveCore amplifier in the DVX-2265-4K supports 70V and 100V operation at 120W mono, in addition to 120W per channel stereo at 4 or 8 ohms. That covers both direct-drive speaker systems and distributed ceiling speaker setups common in larger meeting rooms and classrooms.

What should I verify on a B-Stock unit when it arrives?

Check all HDMI and DXLink connectors for physical damage, power the unit and confirm the firmware version is current or updatable, test all amplifier output channels under load, and verify Dante license registration if you plan to use IP audio. Most B-Stock returns on this class of product are cosmetic, but confirming the electronics before installation saves time if there's an issue.

Does the integrated NetLinx processor require separate licensing?

The NetLinx control processor is built in and does not require a separate hardware license to operate. RMS Enterprise monitoring — AMX's fleet management platform — does require an RMS server and appropriate licensing on the management side, but that's a server-level consideration, not a per-unit cost on the DVX-2265-4K itself. Confirm your RMS deployment requirements with your AMX rep before specifying if enterprise monitoring is part of the scope.