Searching for an audio interface with 8 inputs? The M-AUDIO M-Track Duo stands out for its affordability and compact design, ideal for smaller setups. The Focusrite Scarlett 18i16 4th Gen offers robust I/O for professional recordings, while the Behringer UMC1820 balances quality with a budget-friendly price. Each option presents tradeoffs between features, build quality, and price, which can make choosing the right one challenging. Continue reading for a detailed breakdown of the best 8-input audio interfaces in 2026 to find your perfect fit.
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Key Takeaways
- The best overall pick balances sound quality, durability, and ease of use, with the Focusrite Scarlett 18i16 leading this category.
- Budget-friendly options like the Behringer UMC1820 provide solid performance but may lack some premium features found in higher-end models.
- Professional-grade interfaces such as the Solid State Logic Alpha 8 excel in build quality and connectivity, ideal for studio environments.
- Size and portability vary widely; compact models are perfect for mobile setups, while rackmount units suit fixed studio configurations.
- Price often correlates with feature set; investing more generally yields better preamps, lower latency, and more versatile connectivity.
| M-AUDIO M-Track Duo USB Audio Interface for Recording, Streaming, and Podcasting | ![]() | Best for Beginners and Small Setups | Inputs: Dual combo XLR/Line/Instrument | Audio Resolution: 48kHz | Phantom Power: Yes | VIEW ON AMAZON | See Our Full Breakdown |
| Focusrite Scarlett 18i16 4th Gen USB Audio Interface | ![]() | Best for Serious Home and Project Studios | Inputs: 18 | Outputs: 16 | Sample Rate: 192kHz | VIEW ON AMAZON | See Our Full Breakdown |
| Fender Quantum HD 8 26×30 USB-C Audio Interface for Music Production | ![]() | Best for Creative Studio Expansion | Inputs: Front-facing Fender instrument inputs | Outputs: Re-amp, line, S/PDIF, ADAT | Max-HD Mic Preamps: Yes | VIEW ON AMAZON | See Our Full Breakdown |
| Focusrite Scarlett 18i20 4th Gen USB Audio Interface | ![]() | Best for Expanding Multitrack Studio Setups | Inputs: 18 | Outputs: 20 | Sample Rate: 192kHz | VIEW ON AMAZON | See Our Full Breakdown |
| Behringer UMC1820 Audiophile 18×20 USB Audio/MIDI Interface with Midas Mic Preamplifiers and ADAT I/O | ![]() | Best for Budget-Conscious Professional Recording | Inputs: 18 | Outputs: 20 | Resolution: 24-bit/96kHz | VIEW ON AMAZON | See Our Full Breakdown |
| Solid State Logic Alpha 8 8×8 AD/DA Converter and 18×18 USB-C Interface | ![]() | Best for Professional-Grade Conversion and Monitoring | Number of Inputs: 8 | Number of Outputs: 8 | Conversion Resolution: 32-bit/192 kHz | VIEW ON AMAZON | See Our Full Breakdown |
| Behringer ADA8200 Audiophile 8 In/8 Out ADAT Audio Interface with Midas Mic Preamplifiers | ![]() | Best Value for Midas Preamps and ADAT Connectivity | Number of Inputs: 8 | Number of Outputs: 8 | Bit Depth: 24-bit | VIEW ON AMAZON | See Our Full Breakdown |
| Tascam US-16×08 Rackmount USB Audio/MIDI Interface | ![]() | Best for Large Sessions with Built-in DSP and Routing | Inputs: 16 XLR/1/4″ combo | Outputs: 8 | Preamp Type: Ultra-HDDA | VIEW ON AMAZON | See Our Full Breakdown |
| Focusrite Scarlett Solo 3rd Gen USB Audio Interface for Guitarists, Vocalists, Podcasters, and Producers | ![]() | Best for Beginners and Simple Single-Track Recording | Connectivity: USB | Bit Depth: 24-bit | Sample Rate: 192kHz | VIEW ON AMAZON | See Our Full Breakdown |
| Fender Quantum LT 16 16-in 8-out USB-C Audio Interface | ![]() | Best for Hybrid Studio and Streaming Setups | Inputs: 16 | Outputs: 8 | Mic Preamps: 8 MAX-HD | VIEW ON AMAZON | See Our Full Breakdown |
| audio interface with 8 input | Inputs | Outputs | Connectivity |
|---|---|---|---|
| M-AUDIO M-Track Duo USB Audio | Dual combo XLR/Line/Instrument | 1/4" headphone and stereo 1/4" outputs | — |
| Focusrite Scarlett 18i16 4th G | 18 | 16 | USB |
| Fender Quantum HD 8 26×30 USB- | Front-facing Fender instrument inputs | Re-amp, line, S/PDIF, ADAT | — |
| Focusrite Scarlett 18i20 4th G | 18 | 20 | ADAT, S/PDIF, MIDI I/O |
| Behringer UMC1820 Audiophile 1 | 18 | 20 | USB 2.0 |
| Solid State Logic Alpha 8 8×8 | — | — | — |
| Behringer ADA8200 Audiophile 8 | — | — | ADAT Optical |
| Tascam US-16×08 Rackmount USB | 16 XLR/1/4" combo | 8 | — |
| Focusrite Scarlett Solo 3rd Ge | 1 microphone, 1 instrument | 2 balanced | USB |
| Fender Quantum LT 16 16-in 8-o | 16 | 8 | USB-C |
More Details on Our Top Picks
M-AUDIO M-Track Duo USB Audio Interface for Recording, Streaming, and Podcasting
The M-AUDIO M-Track Duo stands out for its simplicity and affordability, making it a strong choice for those just starting out or with minimal gear. Compared with larger interfaces like the Focusrite Scarlett 18i16, it offers fewer inputs—only 2—but still provides solid 48kHz audio quality and essential features like phantom power. Its inclusion of MPC Beats software adds value for budding producers, but the limited input count means it can’t handle more complex recording setups. The zero-latency monitoring is a plus for live tracking, yet the lack of MIDI or multiple outputs restricts expandability. This pick makes sense for solo musicians, podcasters, or streamers who need straightforward, reliable audio without the complexity or expense of larger interfaces.
Pros:- Dual combo inputs suitable for microphones and instruments
- High-quality 48kHz audio resolution for clarity
- Includes MPC Beats for quick music production
- Zero latency monitoring with USB/Direct switch
Cons:- Limited to 2 inputs, restricting multi-mic or multi-instrument use
- No MIDI or multiple outputs for expandability
- Requires USB connection, no standalone mode
Best for: Beginners, solo podcasters, or streamers with minimal input needs
Not ideal for: Advanced producers or bands requiring more than 2 inputs simultaneously
- Inputs:Dual combo XLR/Line/Instrument
- Audio Resolution:48kHz
- Phantom Power:Yes
- Outputs:1/4″ headphone and stereo 1/4″ outputs
- Software Included:MPC Beats
Our verdict“This interface is ideal for beginners or solo content creators needing straightforward, quality recordings.”
Focusrite Scarlett 18i16 4th Gen USB Audio Interface
The Focusrite Scarlett 18i16 4th Gen excels in delivering professional-grade multitrack recording with extensive I/O options. Its 18 inputs and 16 outputs outperform the M-AUDIO M-Track Duo by supporting larger, more complex setups, perfect for multi-instrument recordings or small bands. The 24-bit/192kHz converters ensure high fidelity, but the interface’s size and setup complexity may intimidate beginners. This model is better suited to those who need multiple channels and versatile routing, yet its higher price and detailed configuration process could be drawbacks for casual users. If your workflow demands multiple simultaneous tracks, this unit offers the scalability and quality that professional studios rely on.
Pros:- 18 inputs and 16 outputs for large multitrack recordings
- High-quality 24-bit/192kHz converters for detailed sound
- Includes professional software and auto-gain features
- Versatile connectivity with multiple I/O options
Cons:- Complex setup may be challenging for newcomers
- Bulkier size limits portability
- Higher cost may deter casual users
Best for: Intermediate to advanced home studio producers and multi-instrument recording setups
Not ideal for: Beginners or portable users seeking a compact, simple interface
- Inputs:18
- Outputs:16
- Sample Rate:192kHz
- Bit Depth:24-bit
- Connectivity:USB
- Included Software:All recording software
Our verdict“This interface is designed for serious producers needing extensive I/O and high sound quality, with a tradeoff in complexity and price.”
Fender Quantum HD 8 26×30 USB-C Audio Interface for Music Production
The Fender Quantum HD 8 offers a unique blend of high-end preamps and advanced routing options, making it suitable for larger, more creative studio setups. Its MAX-HD mic preamps and 32-bit/192kHz converters ensure pristine sound quality, outpacing basic models like the M-AUDIO M-Track Duo. Its full-color display and remote control enhance usability, especially for those managing complex sessions. However, the setup can be overwhelming for newcomers, and the premium features come with a steep price. This interface is best for users who need flexible routing, multiple I/O options, and top-tier sound quality, but less so for those seeking simplicity or budget-friendly options.
Pros:- Next-generation MAX-HD mic preamps deliver transparent sound
- Multiple I/O options support scalable studio configurations
- Intuitive full-color display and remote control
- Includes Fender Studio Pro software suite
Cons:- Complex setup may be daunting for new users
- Premium features increase overall cost
- Size and weight may hinder portability
Best for: Experienced producers and studio owners requiring advanced routing and high-resolution sound
Not ideal for: Beginners or mobile producers who prioritize simplicity and affordability
- Inputs:Front-facing Fender instrument inputs
- Outputs:Re-amp, line, S/PDIF, ADAT
- Max-HD Mic Preamps:Yes
- Converters:32-bit/192kHz
- Display:Full-color high-resolution
Our verdict“This interface suits experienced users needing extensive I/O and high-fidelity audio, with complexity and cost being notable considerations.”
Focusrite Scarlett 18i20 4th Gen USB Audio Interface
The Focusrite Scarlett 18i20 4th Gen provides a substantial step up in I/O capacity, making it ideal for multi-instrument and band recordings. Its 18 inputs and 20 outputs, including mic preamps and digital I/O, make it more versatile than the M-AUDIO M-Track Duo or Scarlett 18i16. The high-quality 24-bit/192kHz conversion and features like Auto Gain and Air modes ensure professional sound quality with simplified operation. The interface’s size and setup complexity might be a hurdle for beginners, and the higher price reflects its expanded capabilities. For those who need extensive connectivity and high-fidelity recording in a single unit, this model balances performance and expandability well.
Pros:- 18 inputs and 20 outputs for complex recording setups
- High-quality 24-bit/192kHz converters
- Includes professional software and user-friendly features
- Multiple digital and MIDI I/O support
Cons:- Setup can be complex for newcomers
- Size may limit portability
- Higher price point
Best for: Serious home studio producers and multi-instrument recording projects
Not ideal for: Casual users or mobile producers needing a compact form factor
- Inputs:18
- Outputs:20
- Sample Rate:192kHz
- Bit Depth:24-bit
- Connectivity:ADAT, S/PDIF, MIDI I/O
Our verdict“Ideal for users requiring extensive I/O and high-quality audio in a professional home studio environment, with some complexity involved.”
Behringer UMC1820 Audiophile 18×20 USB Audio/MIDI Interface with Midas Mic Preamplifiers and ADAT I/O
The Behringer UMC1820 combines solid Midas preamps with extensive I/O, making it a compelling choice for budget-conscious professionals. Its 18 inputs and 20 outputs cover most multitrack needs, and the 24-bit/96kHz resolution is decent for many recording scenarios. Compared to the Focusrite Scarlett 18i20, it offers similar I/O but at a lower price point, though it compromises slightly on maximum sample rate and features. The absence of onboard effects or monitoring makes it less suited for solo performers expecting integrated tools. For studios needing reliable, high-quality preamps without breaking the bank, this model hits a good balance, provided users are comfortable with the slightly lower resolution and functionality.
Pros:- High-quality MIDAS preamps with phantom power
- Supports 24-bit/96kHz audio resolution
- Multiple inputs and outputs for flexible setups
- Includes MIDI interface and ADAT I/O
Cons:- Limited to 96kHz maximum sample rate
- No onboard effects or advanced monitoring features
- Requires USB 2.0 connection, which may limit mobility
Best for: Budget-conscious studios or project setups needing high-quality preamps and multiple I/O
Not ideal for: Casual users or those requiring higher sample rates and onboard effects
- Inputs:18
- Outputs:20
- Resolution:24-bit/96kHz
- Connectivity:USB 2.0
- Features:MIDI, ADAT
Our verdict“This interface offers excellent preamp quality and versatility for budget-minded users needing multiple I/O channels, with some limitations on sample rate and features.”
Solid State Logic Alpha 8 8×8 AD/DA Converter and 18×18 USB-C Interface
The SSL Alpha 8 stands out for its exceptional 32-bit/192 kHz audio resolution, making it ideal for high-end studio environments where clarity and detail are paramount. Compared with the Fender Quantum LT, which offers more inputs but lower resolution, the Alpha 8 prioritizes sound quality and monitoring features, including front-panel meters and comprehensive I/O options like ADAT and S/PDIF. This interface is best suited for professionals who need reliable, transparent conversion and monitoring, but its complexity and limited channels (8 in/8 out) may be overwhelming for beginners or those with larger multi-channel setups. The inclusion of SSL’s professional software bundle adds value, but the interface’s design assumes a familiarity with advanced studio gear. Overall, this product makes the most sense for serious producers and engineers who require top-tier audio fidelity and flexibility.Pros:- High-resolution 32-bit/192 kHz audio conversion ensures pristine sound quality
- Multiple I/O options including ADAT and S/PDIF for expandability
- Front-panel meters simplify real-time monitoring
- Includes a comprehensive SSL software bundle tailored for professional workflows
Cons:- Complex setup may intimidate users unfamiliar with advanced audio interfaces
- Limited to 8 channels, which might restrict larger multi-input recordings
Best for: Professional audio engineers and high-end studio producers needing precise conversion and monitoring.
Not ideal for: Home studio owners or beginners who want a simple, plug-and-play setup with more channels.
- Number of Inputs:8
- Number of Outputs:8
- Conversion Resolution:32-bit/192 kHz
- USB Interface:USB-C
- Additional I/O:ADAT and S/PDIF
- Wordclock I/O:Yes
Our verdict“This interface is perfect for professionals demanding high fidelity and advanced features, but less so for beginners or those with larger I/O needs.”
Behringer ADA8200 Audiophile 8 In/8 Out ADAT Audio Interface with Midas Mic Preamplifiers
The Behringer ADA8200 offers a compelling mix of quality and affordability, featuring Midas mic preamps that provide warm, clear sound, and ADAT connectivity for expanding your setup. Compared with the Focusrite Scarlett Solo, which is more beginner-friendly but limited to 2 inputs, the ADA8200 offers more channels at a budget-friendly price, though at the cost of lower sample rates—only 44.1/48kHz—which might not satisfy those seeking high-resolution audio. It’s best suited for producers who need multiple inputs without breaking the bank but can accept its lower sample rate and bulkier size. The ADAT interface makes it easy to expand via compatible preamps or converters, but its 24-bit resolution and limited sampling rate could be a drawback for high-end recording. Overall, this makes the most sense for budget-conscious users who need reliable, quality preamps and multiple channels.Pros:- Midas mic preamps deliver warm, professional-quality sound
- 8-in/8-out ADAT connectivity enables flexible expansion
- Affordable price point with solid overall build quality
- Simple to set up and integrate into existing systems
Cons:- Limited to 44.1/48kHz sample rates, unsuitable for high-resolution needs
- Bulkier and less portable compared to smaller interfaces like Focusrite Scarlett
Best for: Home studio owners or semi-professional producers seeking affordable multi-channel I/O with quality preamps.
Not ideal for: High-end professionals requiring 96kHz+ recording or compact setups needing portability.
- Number of Inputs:8
- Number of Outputs:8
- Bit Depth:24-bit
- Sample Rate:44.1/48kHz
- Connectivity:ADAT Optical
- Product Type:Audio MIDI Interface
Our verdict“This interface offers excellent value with quality preamps and expandability, but falls short for high-res recording or portable applications.”
Tascam US-16×08 Rackmount USB Audio/MIDI Interface
The Tascam US-16×08 shines in environments where multiple inputs and professional routing matter. With 16 combo inputs and 8 outputs, it surpasses many in channel count, making it ideal for complex recording sessions. Its built-in DSP mixer with EQ and compression simplifies mixing within the interface, unlike the other options that rely solely on external DAWs. Compared to the Focusrite Scarlett 18i20, which offers similar I/O but lacks integrated DSP, the Tascam introduces a layer of processing convenience. However, its complex setup and larger rackmount form factor could be hurdles for smaller or less experienced users. Additionally, it doesn’t include bundled software, which might add to costs for some. This interface makes the most sense for users needing large I/O capacity and integrated processing for polished recordings.Pros:- 16 combo inputs provide extensive recording options
- Built-in DSP mixer with EQ and compression simplifies mixing
- Low-noise Ultra-HDDA preamps deliver clear sound
- Rackmount design suits professional studio environments
Cons:- Setup complexity may intimidate beginners
- No software bundle included, adding to overall cost
Best for: Producers managing large multi-mic sessions and needing integrated effects and routing capabilities.
Not ideal for: Solo musicians or home users seeking a simple, portable interface with minimal setup.
- Inputs:16 XLR/1/4″ combo
- Outputs:8
- Preamp Type:Ultra-HDDA
- Gain:Up to 56dB
- Additional Inputs:8 line inputs
- Built-in Features:DSP Mixer, EQ, compression
Our verdict“Ideal for large-session producers who value integrated DSP and extensive I/O over simplicity and portability.”
Focusrite Scarlett Solo 3rd Gen USB Audio Interface for Guitarists, Vocalists, Podcasters, and Producers
The Scarlett Solo 3rd Gen offers excellent value for beginner musicians and content creators. Its 24-bit/192kHz resolution and high-quality preamp deliver professional-sounding recordings, yet with only 1 mic and 1 instrument input, it clearly can’t handle multi-channel projects like the other options. Compared to the Fender Quantum LT, which has more inputs but less software and lower build quality, the Solo emphasizes ease of use and portability. It’s perfect for solo performers or podcasters who prioritize simplicity over expandability. Its limited I/O and basic features mean it’s not suitable for multi-instrument recording or larger studio setups. Still, for those just starting out or recording single sources, it offers reliable, studio-grade results in a compact package.Pros:- High-quality 24-bit/192kHz converters ensure professional sound
- High-headroom instrument inputs with Gain Halo metering
- Includes software bundle for immediate music production
- Compact, durable design ideal for mobile use
Cons:- Limited to two inputs, restricting recording flexibility
- Lacks advanced features or expandability for complex projects
Best for: Beginner musicians, podcasters, or streamers needing simple, high-quality recordings with minimal setup.
Not ideal for: Producers or multi-instrument musicians requiring multiple inputs and advanced routing features.
- Connectivity:USB
- Bit Depth:24-bit
- Sample Rate:192kHz
- Inputs:1 microphone, 1 instrument
- Outputs:2 balanced
- Included Software:Pro Tools Intro+, Ableton Live Lite
Our verdict“This interface is perfect for beginners and solo artists seeking straightforward, studio-quality recording capabilities.”
Fender Quantum LT 16 16-in 8-out USB-C Audio Interface
The Fender Quantum LT 16 offers a flexible I/O array with 16 inputs and 8 outputs, making it suitable for hybrid production environments or live streaming. Its 8 MAX-HD mic preamps deliver clean, high-gain signals, and the inclusion of MIDI I/O supports versatile routing. Compared to the Solid State Logic Alpha 8, which emphasizes high-resolution conversion, the Quantum LT focuses on expanded I/O and live features, including loopback and low-latency drivers. It’s ideal for content creators who need multiple sources and live streaming capabilities, though its setup can be complex for newcomers. The premium features, like loopback and Fender’s DAW software, come at a higher price, which might be unnecessary for simple recording tasks. This interface suits hybrid users who want both studio and streaming functionality.Pros:- High-quality MAX-HD mic preamps with low noise
- 16 inputs and 8 outputs for versatile recording and streaming setups
- Loopback feature ideal for live streaming and content creation
- Includes Fender Studio Pro DAW with amp and effects plugins
Cons:- Complex setup may be overwhelming for beginners
- Premium features might be unnecessary for straightforward studio recording
Best for: Content creators, live streamers, and hybrid producers needing multiple inputs and flexible routing.
Not ideal for: Pure studio musicians or users with basic recording needs who don’t require extensive I/O or live features.
- Inputs:16
- Outputs:8
- Mic Preamps:8 MAX-HD
- Line Inputs:14
- Connectivity:USB-C
- Additional Features:MIDI I/O, Loopback, Low-Latency Drivers
Our verdict“A strong choice for hybrid setups combining studio recording and live streaming, though its complexity and price may deter simpler users.”

How We Picked
These products were evaluated based on their performance, build quality, versatility, and value. I prioritized interfaces that offer at least 8 inputs, focusing on how well they balance professional audio quality with user-friendly features. Ease of setup, expandability, and durability played key roles in the ranking. Additionally, I considered price-to-performance ratio, ensuring that each option offers meaningful benefits relative to its cost. The goal was to highlight a range of choices that cater to different needs, from beginners to seasoned professionals.| audio interface with 8 input | Connectivity |
|---|---|
| M-AUDIO M-Track Duo USB Audio | — |
| Focusrite Scarlett 18i16 4th G | USB |
| Fender Quantum HD 8 26×30 USB- | — |
| Focusrite Scarlett 18i20 4th G | ADAT, S/PDIF, MIDI I/O |
| Behringer UMC1820 Audiophile 1 | USB 2.0 |
| Solid State Logic Alpha 8 8×8 | — |
| Behringer ADA8200 Audiophile 8 | ADAT Optical |
| Tascam US-16×08 Rackmount USB | — |
| Focusrite Scarlett Solo 3rd Ge | USB |
| Fender Quantum LT 16 16-in 8-o | USB-C |
Factors to Consider When Choosing Audio Interface With 8 Inputs
Choosing the right audio interface with 8 inputs involves understanding your specific recording needs and the features that support them. Factors like connectivity options, preamp quality, and expandability can significantly influence your workflow. Avoid common pitfalls such as overpaying for features you won’t use or selecting a model that isn’t compatible with your setup. A thoughtful approach ensures you get a device that grows with your skills and projects, rather than quickly becoming obsolete.Number and Type of Inputs
While all options here have 8 inputs, consider whether you need combo jacks for XLR and TRS, or if separate inputs for MIDI or digital I/O are important. More inputs provide flexibility but also increase complexity and cost. Think about your current setup and future expansion plans to avoid over-investing or missing essential connections.
Preamp Quality and Audio Resolution
The quality of preamps impacts your recording clarity and noise floor. Higher-quality preamps deliver cleaner sound, especially important for vocals and acoustic instruments. Also, check for at least 24-bit/96kHz resolution to ensure professional-grade audio fidelity—this can make a difference in mixing and mastering stages.
Connectivity and Compatibility
Make sure the interface supports your computer’s OS and has the necessary ports, such as USB-C or Thunderbolt, for fast data transfer. Additional features like ADAT expandability can be beneficial if you plan to grow your setup. Compatibility issues are a common pitfall, so verify before purchasing to avoid costly surprises.
Build Quality and Portability
If you plan to move your setup frequently, opt for a compact, rugged design. For permanent installations, a rackmount model might be preferable for professional environments. Balance your need for durability with convenience to avoid frustration or damage over time.
Price and Future-Proofing
Investing more often yields better preamps, lower latency, and longer-lasting hardware. However, overspending on features you don’t need can strain your budget. Consider your long-term goals—buying a slightly more advanced model now can save you from needing an upgrade soon.
Frequently Asked Questions
Can I connect multiple microphones and instruments simultaneously?
Yes, an 8-input audio interface typically allows you to connect multiple microphones and instruments at once. The quality of each preamp will influence your recording clarity, so choose a model with high-quality preamps if this is important. Be mindful of your computer’s processing power and ensure your DAW can handle multiple inputs without latency issues.
Is it better to choose a rackmount or desktop model for 8 inputs?
Rackmount models are generally more durable and suitable for fixed studio setups, offering better cooling and expandability. Desktop models tend to be more portable and easier to integrate into mobile rigs or small spaces. Your choice depends on whether portability or stability is your priority.
Do I need to worry about latency with these interfaces?
Latency can be a concern, especially when recording multiple sources simultaneously. Higher-end interfaces typically offer lower latency, which makes monitoring more natural. Ensure your computer’s specs and your interface’s drivers are optimized to handle real-time monitoring without noticeable delay.
Are higher-priced interfaces always better?
Not necessarily. While more expensive models often feature superior preamps, lower latency, and better build quality, they may include features you don’t need. Match your choice to your current requirements and future plans to avoid overspending. Sometimes, a mid-range interface offers the best balance between cost and performance.
Can I expand a USB interface with additional inputs later?
Yes, many USB interfaces support digital expansion via ADAT or SPDIF, allowing you to add more inputs if needed. However, ensure your chosen model explicitly supports expansion and check compatibility with your existing setup. Planning for future growth can prevent the need for an entirely new interface down the line.












