AudioFu Chart · November 2026
Best Digital Mixer Expansion Cards 2026
The top pick is Allen & Heath ML-DANTE 64 A Dante Card for dLive and Avantis ($1,272). Allen & Heath SQ SLink Networking Expansion Card gives you the most for the money at $267. Allen & Heath M-DL-DANTE128-A 128x128 Dante Audio Networking Card leads the high end. Ranked by the AudioFu Index from 38 models across 8 brands, prices checked every night.
Last updated: November 1, 2026
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All Digital Mixer Expansion CardsTop 10
Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.
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Allen & Heath ML-DANTE 64 A Dante Card for dLive and Avantis
M-DANTE-A card · Allen & Heath
12 for sale on Reverb1 finish at Thomann
This M-DANTE-A card is a powerhouse for dLive and iLive users needing Dante connectivity. It’s a straightforward way to expand your channel count and integrate into existing Dante networks – a real game-changer for larger bands, touring rigs, or installations where network audio is a must. If you’re already invested in the Allen & Heath ecosystem, this card unlocks serious potential.
Pros
- Seamless Dante integration expands dLive/iLive workflows.
- Rock-solid build quality; Allen & Heath’s typical robust design.
- 64x64 channel capacity handles large, complex audio setups.
Cons
- Requires an additional card for full dLive/Avantis functionality.
- Premium-priced investment for smaller, less demanding setups.
65AudioFu
IndexStableno change since Aug 17Aug 17$1,272 now$1,272€1,139 at Thomann · in stockCheck price ↗ -
- Weight0.14 kg
This little card is a game-changer if you're already invested in the X32 or M32 world and want serious expandability. It’s perfect for live sound engineers, recording studios, or anyone needing flexible remote recording and routing—just be aware you’re committed to the Soundgrid ecosystem.
Pros
- Seamless Soundgrid integration expands X32/M32 capabilities.
- Low-latency AOIP drastically improves remote recording workflows.
- 32 channels offer substantial flexibility for complex setups.
Cons
- Relies entirely on Soundgrid ecosystem; limited standalone functionality.
- Requires Soundgrid studio application for full functionality and ASIO/Core Audio.
64AudioFu
IndexStableno change since Aug 17Aug 17$390 now$390€349 at Thomann · in stockCheck price ↗ -
Allen & Heath SQ SLink Networking Expansion Card
SQ SLink · Allen & Heath
9 for sale on Reverb1 finish at Thomann
The SQ SLink is a clever way to seriously expand your Allen & Heath SQ mixer’s I/O, especially for live sound or install situations needing more channels. It's brilliant for rental companies or venues needing flexible routing options, but be prepared to wrestle with the networking configuration – it’s not plug-and-play for everyone.
Pros
- Seamlessly extends SQ series console channel count.
- Supports multiple protocols for flexible network integration.
- Offers high-resolution audio with robust clocking.
Cons
- Requires an existing SQ console for functionality; not standalone.
- Adds complexity to system architecture; demands networking expertise.
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Allen & Heath M-DL-WAVES3-A Waves V3 dLive Audio Networking Card
M-DL-Waves3-A · Allen & Heath
7 for sale on Reverb1 finish at Thomann
This card lets you run 128 channels at high sample rates on your dLive system. It pairs perfectly with Waves Multirack for big setups. You need the full dLive system to use it, and it is heavy to move around.
Pros
- Handles 128 inputs and outputs simultaneously
- Supports 48 kHz and 96 kHz sample rates
- Works directly with dLive mixing systems
Cons
- Heavy weight makes transport difficult
- Lacks built-in physical control knobs
56AudioFu
Index↑ 4.5%since Sep 4$2,670 · Sep 4$2,791 now$2,791€2,498 at Thomann · in stockCheck price ↗ -
Allen & Heath M-DL-WAVES3-A Waves V3 dLive Audio Networking Card
M-SQ-WAVES3-A · Allen & Heath
7 for sale on Reverb1 finish at Thomann
This M-SQ-WAVES3-A card is a serious upgrade for anyone already invested in the Allen & Heath M series ecosystem. It's a game-changer for large-scale live sound and studio recording scenarios, offering unparalleled flexibility with Waves integration—just be prepared for the learning curve and the investment.
Pros
- Seamless Waves plugin integration expands sonic possibilities.
- Redundant ports offer rock-solid reliability for live events.
- Internal Control Network Bridge simplifies complex routing setups.
Cons
- The Waves Plugin Server dependency can add complexity for some users.
- Price point places it firmly in the professional, high-end mixer category.
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Allen & Heath M-MADI-A MADI Card
SQ MADI Interface Card · Allen & Heath
4 for sale on Reverb1 finish at Thomann
This MADI card is a powerhouse for SQ series users needing serious I/O. It's perfect for live sound engineers running large rigs, broadcast setups, or anyone needing to integrate external digital audio devices seamlessly – expect professional-grade reliability and performance.
Pros
- Rock-solid MADI connectivity for extensive I/O expansion.
- HighSpeed mode offers exceptional bandwidth for complex routing.
- Allen & Heath’s renowned DSP integration ensures pristine audio quality.
Cons
- SQ series consoles are a significant investment upfront.
- MADI cabling can be bulky and requires dedicated infrastructure.
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- Weight0.2 kg
The A3232 is a powerhouse expansion card for DiGiCo users needing serious I/O. It’s a no-brainer if you're already in the DiGiCo ecosystem and need to scale up your inputs and outputs—perfect for larger touring rigs or complex studio setups where signal routing is paramount.
Pros
- Extends DiGiCo’s channel count with rock-solid reliability.
- Ethercon connectors ensure robust, gig-ready connectivity.
- Compact size minimizes rack space; ideal for mobile setups.
Cons
- Requires existing DiGiCo stagebox and console for functionality.
- Price point positions it as a premium investment for serious users.
48AudioFu
IndexStableno change since Aug 17Aug 17$855 now$855€765 at Thomann · in stockCheck price ↗ -
Allen & Heath M-DL-GACE-A gigaACE dLive / Avantis Audio Networking…
M-DL-GACE-A · Allen & Heath
3 for sale on Reverb1 finish at Thomann
This expansion card lets you mix way more channels on your DLive mixer without changing the main unit. It uses Gigabit Ethernet to move audio data quickly and supports 96 kHz sample rates for crisp sound. It fits well into existing setups where you need extra channels, but it does add some weight and needs the right power. Best for touring bands or live sound pros who need more mixing power in one package.
Pros
- Supports 128 channels of digital mixing
- Handles 96 kHz sample rate for high fidelity
- Uses Gigabit Ethernet for fast data transfer
Cons
- Adds significant weight to your rack setup
- Requires specific power supply compatibility
47AudioFu
IndexStableno change since Sep 4Sep 4$1,861 now$1,861€1,666 at Thomann · in stockCheck price ↗ -
- Weight0.35 kg
The PY64-D is a powerhouse for serious live sound engineers and studio setups. It expands the I/O of your Yamaha mixer dramatically, giving you incredible flexibility for routing and processing. If you're running a large-scale production or need a ton of simultaneous tracks, this card is a game-changer.
Pros
- Massive I/O count unlocks complex routing scenarios.
- Yamaha's DSP engine provides transparent, low-latency processing.
- Compact form factor maximizes rack space efficiency.
Cons
- Significant investment; requires compatible Yamaha digital mixer.
- Limited standalone functionality; dependent on host mixer.
47AudioFu
IndexStableno change since Aug 17Aug 17$2,344 now$2,344€2,098 at Thomann · in stockCheck price ↗ -
Allen & Heath M-DL-DANTE128-A 128x128 Dante Audio Networking Card
M-DL-DANTE128-AX · Allen & Heath
3 for sale on Reverb1 finish at Thomann
This card lets you run a lot of audio over standard Ethernet without losing quality. It works at higher sample rates and offers backup connections for reliability. It fits into Allen & Heath dLive and Avantis systems but needs extra software to manage the audio. Best for live sound or fixed installs needing many channels.
Pros
- Handles 128 bidirectional audio channels easily
- Supports both 48 kHz and 96 kHz sample rates
- Provides redundant network connection options
Cons
- Lacks built-in audio processing or effects
- Requires external Dante domain manager setup
47AudioFu
IndexStableno change since Aug 20Aug 20$3,350 now$3,350€2,999 at Thomann · in stockCheck price ↗
All 38 digital mixer expansion cards
Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.
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Waves WSG-PY64 I/O for Yamaha DM7/5Waves45Stable$1,038€929$1,038€929Check ↗
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Allen & Heath DT164 W DanteAllen & Heath45↑ 15.1%$3,573€3,198$3,573€3,198Check ↗
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Yamaha PY-DSPYamaha42↑ 11.6%$2,232€1,998$2,232€1,998Check ↗
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Allen & Heath M-DL-ADAPT-AAllen & Heath37Stable$531€475$531€475Check ↗
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Allen & Heath M-SQ-DANT32Allen & Heath37Stable$569€509$569€509Check ↗
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Allen & Heath M-DL-DXLINKAllen & Heath37Stable$665€595$665€595Check ↗
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Allen & Heath M-DL-DANT64-AXAllen & Heath37Stable$2,345€2,099$2,345€2,099Check ↗
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Klark Teknik DM80-UltranetKlark Teknik36Stable$111€99$111€99Check ↗
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Klark Teknik DM80-DanteKlark Teknik36Stable$668€598$668€598Check ↗
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Klark Teknik KT-Dante64Klark Teknik36Stable$826€739$826€739Check ↗
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Klark Teknik KT-MADI Expansion Card for Klark Network BridgeKT-MADI · Klark Teknik35Stable$379€339$379€339Check ↗
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Klark Teknik KT-AES50 Expnsion Card for Klark Network BridgeKT-AES50 · Klark Teknik35Stable$435€389$435€389Check ↗
- 23
Soundcraft MADI-USB Combo CardSoundcraft35Stable$446€399$446€399Check ↗
- 24
Soundcraft Si Series Madi CardSoundcraft35Stable$744€666$744€666Check ↗
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Soundcraft Si Optical Madi Card SCSoundcraft35Stable$859€769$859€769Check ↗
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Soundcraft SI-Dante CardSoundcraft35Stable$1,003€898$1,003€898Check ↗
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Soundcraft Vi Series Madi CardSoundcraft35Stable$1,003€898$1,003€898Check ↗
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Soundcraft VI-Dante CardSoundcraft35Stable$1,898€1,699$1,898€1,699Check ↗
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Behringer Aoip-WsgBehringer33Stable$193€173$193€173Check ↗
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Behringer WING-MADIBehringer33Stable$233€209$233€209Check ↗
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Behringer Aoip-DanteBehringer33Stable$356€319$356€319Check ↗
- 32
Behringer Wing-DanteBehringer33Stable$580€519$580€519Check ↗
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DiGiCo D-Rack analog OPDiGiCo33Stable$726€650$726€650Check ↗
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DiGiCo DMI Dante 2 Z ChipDiGiCo33Stable$2,009€1,798$2,009€1,798Check ↗
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Yamaha MY16 Dante AUD2Yamaha32Stable$445€398$445€398Check ↗
- 36
Allen & Heath M-SQ-DANT64-AXAllen & Heath32↑ 12.0%$937€839$937€839Check ↗
- 37
DiGiCo D2-Rack analog OP cardDiGiCo30↑ 7.3%$803€719$803€719Check ↗
- 38
Tascam IF-MTR32Tascam30Stable$1,172€1,049$1,172€1,049Check ↗
Digital Mixer Expansion Cards by the numbers
Measured across all 42 models we track, not a sample.
Median $759 — half of all digital mixer expansion cards here cost less.
median of 6 models · 0.14 kg–0.35 kg
How to choose the best digital mixer expansion cards
Mic Preamps
This is the big one. Are they clean and transparent, or do they have a distinct flavor? A preamp with a bit of saturation can be a great thing for vocals or electric guitar, but if you're trying to capture a pristine acoustic guitar recording, you want something neutral. Look for preamps with good headroom - you don't want them to clip easily when a drummer gets enthusiastic.
I/O Count & Type
Don't just look at how many inputs and outputs, but what kind. XLR? TRS? AES? Do you need insert sends/returns? A card that only gives you line-level outputs isn't going to do you much good if you're trying to run stage monitors.
DSP Power
More isn't always better. A card with a ton of DSP but poorly optimized algorithms can actually hurt performance. Consider what kind of processing you'll be using - reverb is hungry, compression is less so. Also, check the latency impact of the added DSP - especially critical for monitor mixes.
Compatibility
This seems obvious, but dig deep. Just because a card says it's compatible with your mixer doesn't guarantee seamless integration. Read user forums, check for firmware updates, and be prepared to potentially troubleshoot driver issues. Older cards, even if technically compatible, might not support all the latest features.
Build Quality & Reliability
Cheap cards often cut corners here. Look for solid connectors, robust construction, and a reputation for reliability. A card that fails mid-gig is worse than not having it at all - trust me, I've been there.
Buying guide
So, you've got a killer digital mixer - a Waves front end, maybe a bit of Lexicon reverb built-in - but you're bumping up against its limitations. Maybe you need more mic preamps for a bigger band, or more aux sends for monitor mixes, or just want to add some serious processing power. Expansion cards are the answer, but picking the right one isn't as simple as just looking at the specs; it's about understanding how they integrate with your workflow and what compromises you're making.
Expansion cards can be a significant investment, and the biggest mistake you can make is buying based on specs alone. Think about your specific needs - are you primarily recording, live sound, or a mix of both? Don't overspend on features you won't use, but don't skimp on preamps if clean gain is your priority.
And always, always check user reviews and forum discussions before dropping your hard-earned cash.
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 42 digital mixer expansion cards from the Thomann catalogue. Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
Can I add just any expansion card to my mixer?
Absolutely not. Most digital mixers have proprietary slots and communication protocols. Compatibility is key - check your mixer's manual and the card manufacturer's specifications carefully.
What's the deal with latency?
Any DSP processing adds latency. Some cards are better optimized than others. If you're running monitor mixes, low latency is crucial to avoid feedback and timing issues. Look for cards with transparent processing and minimal added delay.
Do expansion cards require firmware updates?
Almost certainly. Manufacturers often release updates to improve compatibility, fix bugs, and add new features. Keep an eye on the manufacturer's website and update your firmware regularly.
Are used expansion cards a good deal?
They can be, but proceed with caution. Check the card's condition, make sure it's still supported by the manufacturer, and be aware that you might not have a warranty.
My mixer says it supports X number of expansion cards - is that a hard limit?
Not always. Some mixers have software limits that can be bypassed, but messing with those can void your warranty and potentially brick your mixer. Tread carefully, and research your specific model.
