Here's a conversation we have regularly with integrators and facility managers pricing out a mid-size conference room or studio control space: they come in with a spec sheet listing a matrix switcher, a DSP, a separate amplifier, and an AV control processor — each from a different vendor, each needing its own power, its own rack space, and its own integration hours. Then they ask if there's a cleaner way to do it.

The AMX DVX-3266-4K 8x4+2 4K60 4:4:4 All-In-One Presentation Switcher (SKU: FG1906-0401) is the cleaner way. Whether it's actually cheaper depends on what you're comparing it to — so let's do that comparison honestly.

View the AMX DVX-3266-4K 8x4+2 4K60 4:4:4 All-In-One Presentation Switcher Product Page

What You're Replacing

The DVX-3266-4K consolidates four distinct product categories into a single 2U chassis:

• Matrix switcher — 8 inputs (4 HDMI 2.0 + 4 DXLink twisted-pair), 4+2 outputs, full 4K60 4:4:4 with HDCP 2.2 and HDR10 support
• Audio DSP — processing by BSS with independent 10-band parametric EQ per channel, input gain adjustment, variable compression, and dbx feedback suppression
• Power amplifier — a 120-watt Crown DriveCore amp running Class D stereo into 8 ohms, or switchable to 70V/100V for distributed speaker systems
• AV control processor — an integrated NX processor with isolated network ports, 802.1X and LDAP support, FIPS 140-2 validated encrypted IP communication, and syslog

Price those four categories separately from their respective best-in-class vendors and you're well past the DVX-3266-4K's MAP of $12,240 new before you've bought a single interconnect cable or written an hour of control code. The B-Stock unit is available at $9,792 — same hardware, same warranty coverage, typically a cosmetic blemish on the chassis.

The Hidden Costs of Stacking Components

The purchase price gap between a purpose-built all-in-one and a stacked component rig is usually the smaller number. The costs that catch people are:

Rack Space

A matrix switcher, standalone DSP, and power amp each occupy rack units. The DVX-3266-4K is 2U. If you're renting rack space in a shared equipment room, or if the room simply doesn't have 8U to spare, that constraint decides the conversation before price does.

Integration Labor

Every additional device in a signal chain is another device to configure, another IP address to manage, another potential point of failure to troubleshoot at 8 AM before a session. The DVX-3266-4K's integrated NX processor means the switching logic, audio processing, and control programming all live in one environment. You're not bridging AMX control to a third-party DSP via RS-232 or TCP and hoping the handshake holds.

Audio Routing Complexity

With the DVX-3266-4K, audio inputs — 6 analog mic/line inputs, 2 analog stereo inputs, and 8 Dante network audio channels — route through the integrated DSP to 2 analog stereo outputs, 8 Dante output channels, and the onboard Crown amplifier without leaving the box. Compare that to physically cabling a matrix switcher's audio outputs into a separate DSP, then out to an amp, and you've added connectors, cable runs, and noise coupling opportunities at every stage.

Dante as Infrastructure

The 8-channel Dante I/O (in and out) deserves a note for studio environments specifically. Dante is standard networked audio — it lets the DVX-3266-4K participate in the same audio network as your recording interface, your monitoring system, or another Dante-enabled device on the same switch. For a facility that's already on Dante, the DVX doesn't require a separate analog patch point. For one that isn't, it's a reasonable on-ramp.

Where the DVX-3266-4K Makes the Most Sense

This is a presentation switcher — the application is a room with multiple sources, multiple displays, and audio that needs to be managed and amplified. The sweet spot is:

• Conference rooms, boardrooms, or training spaces with 4–8 source devices and up to 4 primary display outputs
• Studio control rooms or tracking rooms with a fixed monitoring setup and multiple input sources (workstations, playback decks, client laptops via DXLink)
• Any facility where the system integrator's time is a real budget line — fewer devices means fewer hours to commission and fewer to troubleshoot

The DXLink inputs (RJ-45 connectors carrying 4K video, embedded audio, Ethernet, control, and power over a single Cat cable) are particularly useful in larger rooms where source devices are physically remote from the rack. Running one Cat6 to a DXLink transmitter at the table or podium is significantly cleaner than running HDMI over baluns plus separate control and power drops.

Where It Isn't the Right Tool

We'd rather tell you this now than after the purchase. The DVX-3266-4K is an 8x4+2 switcher. If your facility needs more than 8 inputs or more than 4 primary outputs — or if you're building a distributed video system across a large building — you're in Enova DGX territory, and the all-in-one form factor no longer applies. The DVX is a room solution, not a campus solution.

Similarly, if your audio requirements are complex enough to warrant a dedicated full-featured DSP — multi-room acoustic tuning, elaborate telephone hybrid integration, or large-format mixing — the integrated BSS processing in the DVX handles most conference and studio monitoring scenarios well, but it isn't a substitute for a standalone Soundweb or equivalent. Know what you're asking it to do before you spec it.

Specs at a Glance

• Form factor: 2U rackmount, metal chassis, dark gray matte finish
• Video inputs: 4x HDMI 2.0 (Type-A) + 4x DXLink (RJ-45)
• Video outputs: 4 primary + 2 additional (8x4+2 configuration)
• Video support: 4K60 4:4:4, HDCP 2.2, HDR10, 36-bit Deep Color, up to 3840×2160 @ 60Hz
• Audio inputs: 6x analog mic/line, 2x analog stereo, 8x Dante channel
• Audio outputs: 1x amplified (8Ω and 70/100V), 2x analog stereo, 8x Dante channel
• Amplifier: Crown DriveCore 120W Class D stereo, 8Ω or 70V/100V distributed
• DSP: BSS processing, dbx feedback suppression, 10-band parametric EQ per channel, compression
• Control processor: Integrated NX, isolated network, 802.1X, LDAP, FIPS 140-2 encrypted IP
• IR/Serial I/O: 2x IR transmit / 1-way serial (3.5mm screw terminal); 2-channel binary I/O for contact closure

The Bottom Line

At $12,240 new — or $9,792 B-Stock — the DVX-3266-4K costs more than any single component it replaces. It costs less than all of them together, before you add labor. If the room fits the spec (8 inputs, up to 4+2 outputs, integrated amp, Dante-capable audio), the all-in-one argument isn't really an argument. It's just arithmetic.

If you're sizing up a specific room and want to run the component-stack comparison against your actual sourcing costs, we're happy to work through it. The answer isn't always the DVX — but when it is, it's usually obvious once you do the math.

View the AMX DVX-3266-4K 8x4+2 4K60 4:4:4 All-In-One Presentation Switcher Product Page

Frequently Asked Questions

Can the DVX-3266-4K drive a 70V distributed speaker system directly?

Yes. The onboard Crown DriveCore amplifier is switchable between 8-ohm stereo operation and 70V or 100V constant-voltage output, which is the standard for distributed ceiling speaker systems in conference rooms and commercial spaces. You don't need a separate 70V amplifier.

What is DXLink, and do I need special cables for it?

DXLink is AMX's twisted-pair transport format. It carries 4K video, embedded audio, Ethernet, bidirectional control, USB signals, and power over a single Cat5e or Cat6 cable. You use standard RJ-45 terminated Cat cable — the same infrastructure you'd run for network drops — paired with a DXLink transmitter at the source end. It simplifies long cable runs significantly compared to active HDMI extenders.

Is the integrated NX control processor powerful enough for a real room control system, or is it a basic switcher controller?

The NX processor is AMX's current-generation control engine — the same platform used in their standalone NX controllers. It supports full NetLinx programming, LDAP-based user authentication, isolated dual-NIC network architecture, and FIPS 140-2 validated encrypted communication. For a single-room system, it handles lighting, shades, climate, and AV control without an additional processor. For multi-room or campus control, you'd typically use it as a room-level node reporting to a central controller.

What's the practical difference between the new and B-Stock units?

B-Stock units typically carry a cosmetic blemish — a scuff on the chassis or a mark on a panel — noted in the listing photos. The hardware, firmware, and functionality are identical to new. For a rack-mounted device that lives behind a door, the cosmetic condition rarely matters. The B-Stock MAP on the DVX-3266-4K is $9,792, which is $2,448 less than new. Check the specific blemish noted on the listing; if it's on a surface you won't see during normal operation, that's a straightforward saving.