AudioFu Chart · November 2026
Best Digital Mixer Expansion Cards for Professional 2026
The top pick is Allen & Heath DT164 W Dante ($3,573). DiGiCo DMI A3232 gives you the most for the money at $855. Ranked by the AudioFu Index from 38 models across 8 brands, prices checked every night.
Last updated: November 1, 2026
Top 10
Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.
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- Weight3.6 kg
This Dante expander fits right into an Allen & Heath system without needing extra cables. Its steel build feels solid, and the redundant power keeps the sound running even if one outlet fails. It works with most AHM software and lets you chain multiple units together for big venues. Best for permanent installs where reliability matters more than on-stage mixing.
Pros
- Robust steel housing protects gear in harsh environments
- Redundant power options ensure uninterrupted performance
- Daisy chaining capability simplifies large system setups
Cons
- No built-in speakers for immediate on-stage monitoring
- Requires separate power supply unit for full operation
45AudioFu
Index↑ 15.1%since Aug 17$3,105 · Aug 17$3,573 now$3,573€3,198 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 ↗ -
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 ↗ -
- 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 ↗ -
This card lets you send and receive 64 channels of high-quality audio over a network. It works at either 48 kHz or 96 kHz and has a second connection for backup. You need the right software to make it talk to your mixer, but it is solid for live sound or broadcast use.
Pros
- Redundant network connections prevent signal loss
- Supports both 48 kHz and 96 kHz sample rates
- Dedicated port for easy configuration access
Cons
- Requires separate Dante Domain Manager software
- Lacks built-in mixing or control interfaces
37AudioFu
IndexStableno change since Aug 20Aug 20$2,345 now$2,345€2,099 at Thomann · in stockCheck price ↗ -
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 ↗ -
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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- 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 ↗ -
- Weight0.2 kg
This Waves I/O card is a game-changer for DM7 users needing serious expansion. If you’re running a complex live rig or a hybrid studio/live setup and want the power of Waves processing integrated directly into your DM7 workflow, this unlocks a whole new level of creative control and sonic fidelity.
Pros
- Seamless SoundGrid integration expands DM7’s processing capabilities.
- 64x64 I/O offers unparalleled routing flexibility for complex setups.
- Low latency (0.8ms) ensures pristine real-time performance.
Cons
- High-end price point represents a significant investment.
- Limited to Yamaha DM7; not a universal SoundGrid solution.
45AudioFu
IndexStableno change since Aug 17Aug 17$1,038 now$1,038€929 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.
- 11
Allen & Heath M-MADI-A MADI CardSQ MADI Interface Card · Allen & Heath50↑ 1.7%$759€679$759€679Check ↗
- 12
Yamaha PY-DSPYamaha42↑ 11.6%$2,232€1,998$2,232€1,998Check ↗
- 13
Soundcraft Si Optical Madi Card SCSoundcraft35Stable$859€769$859€769Check ↗
- 14
Soundcraft SI-Dante CardSoundcraft35Stable$1,003€898$1,003€898Check ↗
- 15
Soundcraft Vi Series Madi CardSoundcraft35Stable$1,003€898$1,003€898Check ↗
- 16
Soundcraft VI-Dante CardSoundcraft35Stable$1,898€1,699$1,898€1,699Check ↗
- 17
Klark Teknik DN32-WSGKlark Teknik · 5 finishes64Stable$390€349$390€349Check ↗
- 18
Klark Teknik KT-Dante64Klark Teknik36Stable$826€739$826€739Check ↗
- 19
DiGiCo DMI Dante 2 Z ChipDiGiCo33Stable$2,009€1,798$2,009€1,798Check ↗
- 20
Allen & Heath M-SQ-DANT64-AXAllen & Heath32↑ 12.0%$937€839$937€839Check ↗
- 21
Tascam IF-MTR32Tascam30Stable$1,172€1,049$1,172€1,049Check ↗
- 22
Soundcraft Si Series Madi CardSoundcraft35Stable$744€666$744€666Check ↗
- 23
DiGiCo D2-Rack analog OP cardDiGiCo30↑ 7.3%$803€719$803€719Check ↗
- 24
Allen & Heath M-DL-DXLINKAllen & Heath37Stable$665€595$665€595Check ↗
- 25
DiGiCo D-Rack analog OPDiGiCo33Stable$726€650$726€650Check ↗
- 26
Klark Teknik DM80-DanteKlark Teknik36Stable$668€598$668€598Check ↗
- 27
Allen & Heath M-SQ-DANT32Allen & Heath37Stable$569€509$569€509Check ↗
- 28
Allen & Heath M-DL-ADAPT-AAllen & Heath37Stable$531€475$531€475Check ↗
- 29
Behringer Wing-DanteBehringer33Stable$580€519$580€519Check ↗
- 30
Soundcraft MADI-USB Combo CardSoundcraft35Stable$446€399$446€399Check ↗
- 31
Klark Teknik KT-AES50 Expnsion Card for Klark Network BridgeKT-AES50 · Klark Teknik35Stable$435€389$435€389Check ↗
- 32
Yamaha MY16 Dante AUD2Yamaha32Stable$445€398$445€398Check ↗
- 33
Allen & Heath SQ SLink Networking Expansion CardSQ SLink · Allen & Heath57↑ 9.1%$267€239$267€239Check ↗
- 34
Klark Teknik DM80-UltranetKlark Teknik36Stable$111€99$111€99Check ↗
- 35
Klark Teknik KT-MADI Expansion Card for Klark Network BridgeKT-MADI · Klark Teknik35Stable$379€339$379€339Check ↗
- 36
Behringer Aoip-WsgBehringer33Stable$193€173$193€173Check ↗
- 37
Behringer WING-MADIBehringer33Stable$233€209$233€209Check ↗
- 38
Behringer Aoip-DanteBehringer33Stable$356€319$356€319Check ↗
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
Routing Flexibility
Pro players need to route signals every which way. Can the card handle complex submixes, aux sends for IEMs, and direct outs for recording without crippling the mixer's core functionality? Rigid routing is a deal-breaker.
Processing Quality
A cheap card's compression might sound like a brick wall, and its EQ might just thin out your tone. We're looking for transparent processing, subtle character, and headroom to avoid nasty digital artifacts when things get loud - especially crucial for drums and vocals.
Latency Performance
Even a few milliseconds of latency can wreck a live performance or make recording a nightmare. We measure latency under load to see how it impacts timing and feel. Anything over 5ms starts to become noticeable.
Workflow Integration
A card that requires a PhD to operate is useless. It needs to be intuitive, seamlessly integrated into the mixer's interface, and not add a bunch of extra steps to your process. Think about how quickly you can dial in a sound under pressure.
Expandability & Future-Proofing
Consider if the card's capabilities will still be relevant in a few years. Can it be upgraded? Does it support emerging standards? Buying a card that's obsolete next year is just throwing money away.
Buying guide
So, you've got a killer digital mixer - a Mackie Onyx, a Soundcraft Ui, maybe a Yamaha CL - and you're realizing it's not quite doing everything you need. Expansion cards are the answer, but choosing the right one isn't about specs; it's about workflow and what you actually need to elevate your game. We're not talking about just adding a few extra channels; we're talking about serious functionality boosts for gigging pros and serious studio work.
Don't fall for the 'more channels' trap - often, those channels are low-quality preamps or lack proper processing. Prioritize processing quality and routing flexibility over sheer channel count. A well-designed card can make a stock mixer feel like a completely different beast, but a poorly designed one will just be a frustrating bottleneck.
Spend the money on a card that solves a specific problem you have, not one that promises everything.
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 really just plug a card in and expect it to work?
Usually, yes, but check compatibility thoroughly. Some cards require firmware updates or specific mixer revisions. Read the fine print.
What's the deal with Dante and MADI? Do I need them?
Dante and MADI are high-bandwidth protocols for sending audio over Ethernet or coaxial cable. They're overkill for most small gigs, but essential for large setups with multiple consoles or complex routing needs.
My mixer has built-in effects - do I still need a card?
Maybe. Stock effects are often... adequate. A dedicated card can offer higher-quality effects, more flexibility, or unique processing options you can't get natively.
I'm recording - what should I look for in an expansion card?
Direct outs are a must. Low latency is critical. Also, consider cards that offer improved preamps or more flexible routing for sending individual tracks to your DAW.
What about the learning curve? I'm not a digital wizard.
Some cards are more complex than others. Look for cards with clear documentation and intuitive interfaces. Don't be afraid to watch some tutorial videos - it's worth the investment of time.





