AES67 to AES3 Converter Buyer’s Guide 2026 — Latency, PTP & Channel Density
AES67 has won as the open IP-audio interoperability standard. Dante, RAVENNA, Livewire+ and Q-LAN all interchange AES67 streams on a managed network, and every broadcast facility built or refit since 2022 includes AES67 in the design. The remaining engineering question is the bridge to legacy AES3 / XLR balanced infrastructure — and the converter you choose either makes or breaks the rebuild budget.
This guide covers what to look for in 2026, how to map specs to deployment scale, and where SUPERCAN’s 4-channel AES67 to AES3 converter fits relative to broader category tiers.
The Five Specs That Actually Matter
- End-to-end latency — anything above 1 ms breaks live in-ear monitor (IEM) chains, broadcast intercom, and theatre foldback. Marketing sheets often quote one-way latency only; ask for round-trip.
- PTPv2 sync compliance — AES67 mandates IEEE 1588-2008 PTPv2 with a defined profile. Older AES3-clocked converters will free-wheel and drift; this is a real on-air fault.
- Sample rate & bit depth — 48 kHz / 24-bit is the floor for broadcast; 96 kHz / 24-bit is required for high-end music production. Pre-2020 converters often cap at 48 kHz / 20-bit.
- Channel density per RU — 16 channels in 1 RU is the broadcast-truck benchmark; 4–8 channels per box is the install / theatre benchmark.
- Form factor & power — fanless and PoE-powered units survive in stage-box and IT closet installs; rack units with hot-swap PSUs survive in broadcast trucks.
How Deployment Tier Maps to Product Class
| Deployment | Typical channel need | Latency budget | Form factor | Price tier (per unit) |
|---|---|---|---|---|
| Live touring / theatre foldback | 4–8 channels | < 1 ms (IEM-critical) | Compact standalone box | $100–$2,000 |
| Studio / post-production | 2–8 channels (96 kHz) | ~1 ms | Compact standalone box | $500–$2,500 |
| Broadcast truck / master control | 16+ channels per RU | < 1 ms, ST 2022-7 redundant | 1 RU rack, redundant PSU | $3,000–$15,000+ |
| Cinema / DCP audio | 32 channels (7.1 + Atmos beds) | not published | 1 RU rack, dual PSU | $5,000+ (cinema OEM) |
Where the SUPERCAN AES67 Converter Fits
The 4-in / 4-out SUPERCAN AES67 to AES3 converter targets the install, theatre, and small-truck deployment tier:
- End-to-end latency < 1 ms — both stages of conversion combined, IEM-safe
- 44.1 / 48 / 96 kHz at 16–24 bit — covers broadcast-floor through music-production ceiling on the same unit
- PTPv2 sync with auto-negotiation against any AES67-aware PTP master on the network
- AES67 native + AES67-mode interop with Dante, RAVENNA, and Livewire+ — the same protocol coverage list as units 10× the price
- Compact standalone box — no rack space needed; it sits in a stage box, on a shelf behind the desk or inside an install cabinet
- From $129 — pricing that makes carrying spares affordable, which matters more than channel count on tour
The 4-channel form factor is engineered specifically for the deployments where channel density matters less than per-unit cost: theatre foldback, monitor world IEM chains, intercom routing, small location-recording trucks, and studio post-production rooms.
When to Look Outside the SUPERCAN Range
Two situations call for a higher-density rack unit:
- 16+ channel broadcast trucks needing ST 2022-7 dual-network redundancy and 1 RU density. Pay the broadcast-class premium — the rack-mount converters in this tier are engineered for hot-swap PSUs and dual GigE failover that the install tier does not require.
- Cinema DCP workflows with 32-channel 7.1+Atmos beds. The cinema OEM converters in this class are purpose-built for the SMPTE DCP environment and integrate with cinema-specific timecode and routing protocols.
For everything else — the “I need 4–8 channels of AES67 to AES3 with safe latency and PTP sync at a price that lets me put a spare in the trunk” brief that fits most install and live-sound work — the SUPERCAN unit is the right answer.
Why “Latency Under 1 ms” Is Not Marketing Fluff
Two real-world failure modes drive the <1 ms requirement:
- IEM ear-fatigue — beyond ~3 ms one-way (ear to brain), singers reflexively pull a monitor ear to escape the comb-filter effect. The AES67 hop is one segment of a longer chain (mic preamp + Dante + AES67 + cans), so each box must keep its bite below 1 ms.
- Broadcast intercom round-trip — director ↔ camera op cue exchange degrades if total round-trip exceeds 60 ms. Two AES67 / AES3 conversions plus IP routing plus DSP can easily eat 30 ms if any single bridge is sloppy.
Treat any spec sheet that omits latency entirely as a red flag.
SFP Module Converters vs Standalone Boxes
A newer form factor in the AES67 category is the SFP-format converter: a transceiver-sized module that plugs straight into a spare SFP cage on a managed switch and presents AES3 on a short pigtail. It draws power from the cage, so there is no PSU, no rack space and no extra Ethernet run. That is genuinely useful when a single AES3 device sits next to the core switch — a legacy processor in the same rack, a measurement input, a confidence feed.
The trade-offs are structural rather than about audio quality:
- Channel count — an SFP module typically carries one AES3 pair (two audio channels) per cage, some designs two. Bridging four or eight channels means four cages and four modules, at which point a standalone 4-channel box is cheaper and easier to manage.
- Location — the AES3 pigtail has to reach the legacy gear, so the converter lives wherever the switch lives. A standalone box goes to the stage box, the monitor desk or the intercom rack and joins the network on an ordinary Ethernet cable.
- Switch dependency — the module only works in a cage that powers it and passes its traffic; swapping the switch model can strand it. A standalone converter is switch-agnostic.
- Serviceability — no front-panel indication and no local status LEDs; diagnosis happens in the switch management interface, which the audio crew may not have access to.
Rule of thumb: one stereo pair next to a switch — an SFP module is elegant. Four or more channels, anything on a stage, or any deployment where the converter must be carried as a spare — a standalone unit such as the SUPERCAN 4-channel converter is the practical choice.
AES67 to Dante: What Actually Interoperates
The most common mixed-network question is whether a native AES67 converter can pass audio to and from Dante hardware. It can, but only inside the boundaries Audinate sets for AES67 mode, and the setup is different from a Dante-to-Dante patch:
- Enable AES67 mode on the Dante device — it is off by default and is switched on per device in Dante Controller. Only devices that expose that setting take part; some older or entry-level Dante interfaces do not.
- 48 kHz only — Dante AES67 mode runs at 48 kHz. Run the converter at 48 kHz for any stream shared with Dante; keep 96 kHz for native AES67 or RAVENNA paths only.
- Multicast flows — Dante exchanges AES67 audio as multicast streams. The Dante side creates the transmit flow in Dante Controller and the converter subscribes to it. This is why the IGMP-snooping switch requirement in the FAQ below is not optional on a mixed network.
- One PTPv2 clock domain — Dante uses PTPv1 for its own devices and bridges to PTPv2 for AES67. On a mixed network the Dante clock leader also provides the PTPv2 reference; let the converter lock to it before patching audio, and never leave two independent leaders on the same VLAN.
- Discovery is one-way — the converter’s outgoing stream appears in Dante Controller as an AES67 flow, but Dante device names and channel labels do not carry across to the converter. Keep a written channel map.
For the SUPERCAN unit that means: set 48 kHz, confirm PTPv2 lock against the Dante clock, subscribe to the Dante multicast flow for the Dante-to-AES3 direction, and let the converter’s own AES67 stream carry the AES3-to-Dante direction. Everything Dante-specific — device discovery, channel naming, Dante Domain Manager enrolment — stays on the Dante side and does not apply to the converter.
Frequently Asked Questions
Q. Is AES67 the same as Dante?
No. Dante is a proprietary Audinate transport that supports AES67 as an interoperability mode. A native AES67 device can exchange streams with Dante hardware running in AES67 mode, but it cannot use Dante’s native discovery or control protocols. Plan for both if your facility is mixed.
Q. Do I need an AES67-aware network switch?
You need a managed gigabit switch with IGMP snooping and PTPv2 support. Generic unmanaged switches will deliver audio but PTP sync will drift, causing periodic clicks and dropouts.
Q. Can AES67 carry video too?
No. AES67 covers audio only. The companion standards for video are SMPTE ST 2110-20 (video essence) and ST 2110-40 (ancillary data). A facility designed around ST 2110 will use AES67 (or ST 2110-30) for the audio leg.
Q. What’s the difference between AES67 and ST 2110-30?
ST 2110-30 is a profile of AES67 with stricter constraints on stream format (L24, 1 ms packet time, 48 kHz default). Every ST 2110-30 stream is by definition a valid AES67 stream. Most modern converters now advertise both labels.
Q. How do I test the latency of a converter I’m evaluating?
Send a sine wave from a Dante / AES67 source into the converter’s IP input, take the AES3 output to an AES3-capable interface, and measure round-trip in a DAW with a click track. Subtract your AES3 capture interface’s own latency.
Q. Will the SUPERCAN AES67 converter connect to Dante devices?
Yes, through AES67 mode on the Dante side. Set the converter to 48 kHz, put it on the same PTPv2 clock domain, and exchange multicast AES67 flows created in Dante Controller. Native Dante features such as device discovery, channel names and Dante Domain Manager enrolment do not apply to the converter.
Price ranges and channel benchmarks listed reflect general 2026 market observations across the AES67 converter category. Confirm specifications for any unit critical to your application directly with the manufacturer before purchase.
