Motu M4 vs Solid State Logic SSL2+: Overview of expert opinions

The Solid State Logic SSL2+ is better suited for users who require more outputs and MIDI connectivity. It is ideal for those who need to connect to multiple audio devices or studio monitors and work with MIDI instruments or software. The SSL2+ also offers the option to add analog warmth and vintage character to recordings through its Legacy 4K effect.

It is recommended for musicians and producers who prioritize flexibility in their audio setup.

On the other hand, the Motu M4 is better suited for users who require more inputs and loopback functionality. It is ideal for those who need to connect multiple microphones or instruments and require simultaneous recording and playback capabilities. The M4 offers high sample rates, low noise levels, and clean amplification, making it suitable for capturing clear and high-quality audio recordings.

It is particularly advantageous for podcasters, streamers, and those who need to record their computer's output along with the input.

In terms of latency, the SSL2+ is better for musicians who prioritize precision and accuracy. It offers low latency levels of about 1ms, allowing for real-time monitoring of input signals. On the other hand, the Motu M4 provides even lower latency levels, making it ideal for musicians who require the utmost precision and responsiveness in their recordings.

In terms of preamp quality, the SSL2+ is better for users who prioritize clarity, transparency, and the option to add subtle harmonic distortion. It offers high-quality sound recording and playback capabilities with preamps that have a large gain range and input padding options. The SSL2+ also includes additional features such as the Legacy 4K analog color enhancement and the SSL Native software bundle for digital processing.

On the other hand, the Motu M4 is better for users who prioritize high sample rates, low noise levels, and clean amplification without additional processing features.

In terms of DSP processing, the SSL2+ is better as it offers built-in SSL Native channel strips specifically designed for vocals and drums. These channel strips provide precise control and enhancement for vocal recordings and drum tracks. The Motu M4, on the other hand, does not have any built-in DSP processing capabilities and focuses on providing a straightforward audio interface with high-quality audio recording and playback.

In terms of compatibility, the SSL2+ is better for Mac users and those who value bundled plugins. It is class-compliant with Mac OS and comes bundled with SSL Native software and plugins. The Motu M4, on the other hand, is better for users who require compatibility with a wider range of operating systems, including Mac OS X, Windows, Linux, and iOS.

It is compatible with all major DAWs without the need for additional software installation.

Both the SSL2+ and Motu M4 have strong brand reputations in the audio recording industry. The SSL2+ is highly regarded for its legendary SSL sound and compact size, while the Motu M4 is recognized for its exceptional technical performance, low latency, and stable operation. Both brands have a history of producing reliable and high-quality products.

In summary, the Solid State Logic SSL2+ is better suited for users who prioritize more outputs, MIDI connectivity, flexibility, and the option to add analog warmth to their recordings. The Motu M4 is better for users who prioritize more inputs, loopback functionality, high sample rates, low noise levels, and clean amplification.

The choice between the two interfaces will depend on the specific needs and preferences of the user, such as whether they prioritize flexibility in outputs or inputs, require simultaneous recording and playback capabilities, or need specific DSP processing tools.

Table of contents (click on an item)

Input/output options
The Solid State Logic SSL2+ is ideal for users who need more outputs and MIDI connectivity, while the Motu M4 is better suited for users who require more inputs and loopback functionality.
Click to jump to the Input/output options comparison
Latency
The SSL2+ and Motu M4 both offer low latency levels, with the SSL2+ providing a latency of about 1ms and the Motu M4 offering even lower latency levels, making them suitable for musicians who require precision and accuracy in their recordings.
Click to jump to the Latency comparison
Preamp quality
The Solid State Logic SSL2+ is ideal for users seeking clarity, transparency, and the option for subtle harmonic distortion, while the Motu M4 is better suited for those prioritizing high sample rates, low noise levels, and clean amplification.
Click to jump to the Preamp quality comparison
DSP processing
The Solid State Logic SSL2+ is ideal for users who need precise control and enhancement for vocal recordings and drum tracks with its built-in SSL Native channel strips, while the Motu M4 is perfect for users who prioritize high-quality audio recording and playback without built-in DSP processing capabilities.
Click to jump to the DSP processing comparison
Compatibility
The Solid State Logic SSL2+ is recommended for Mac users and those who value bundled plugins, while the Motu M4 is better for users who require compatibility with a wider range of operating systems and a hassle-free setup process.
Click to jump to the Compatibility comparison
Brand reputation
The Solid State Logic SSL2+ is highly recommended for its legendary SSL sound and compact size, while the Motu M4 is recognized for its exceptional technical performance and advanced features at an affordable price.
Click to jump to the Brand reputation comparison
🤖 Beep-boop. I can read reviews REALLY FAST and summarize. Do you have any questions about Motu M4 or Solid State Logic SSL2+?
Input/output options
Latency
Preamp quality
DSP processing
Compatibility
Brand reputation
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Input/output options

Based on the expert reviews, the Solid State Logic SSL2+ is better suited for users who require more outputs and flexibility in their audio setup. With its four outputs, including RCA and 1/4" outputs, it allows for easy connection to studio monitors or other audio devices. The SSL2+ also offers MIDI in and out ports, making it suitable for musicians or producers who work with MIDI instruments or software.

Additionally, the SSL2+ has two headphone connections, allowing for multiple people to monitor the audio simultaneously.

On the other hand, the Motu M4 is better suited for users who require more inputs and versatility in their audio setup. With its four inputs, including XLR connectivity for microphones and 1/4" Hi-Z compatibility for instruments, it offers more flexibility in connecting various audio sources.

The M4 also has loopback functionality, allowing for simultaneous recording and playback by mixing the input signal with the output from the computer. This can be useful for users who need to record their computer's output along with the input, such as podcasters or streamers.

In summary, the Solid State Logic SSL2+ is better for users who need more outputs and MIDI connectivity, while the Motu M4 is better for users who need more inputs and loopback functionality. The choice between the two would depend on the specific needs and preferences of the user, such as whether they prioritize flexibility in outputs or inputs, or require simultaneous recording and playback capabilities.

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Latency

The Solid State Logic SSL2+ and the Motu M4 both offer low latency levels, making them suitable for recording and monitoring purposes. The SSL2+ has a latency of about 1ms, which is ideal for musicians who require precision and accuracy in their performances. It allows for real-time monitoring of input signals, resulting in a more natural and connected recording experience.

On the other hand, the Motu M4 provides even lower latency levels, with a round-trip latency of 2. 5 ms at 96 kHz with a 32 sample buffer. This ultra-low latency ensures highly accurate and responsive monitoring of input signals. It is particularly advantageous for musicians who need the utmost precision and responsiveness in their recordings.

In summary, the SSL2+ is better suited for musicians who prioritize precision and accuracy, while the Motu M4 is ideal for those who require the lowest possible latency for highly responsive recordings. Ultimately, the choice between the two interfaces will depend on the specific needs and preferences of the user.

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Preamp quality

Based on the expert reviews, the Solid State Logic SSL2+ is better for users who prioritize clarity, transparency, and the option to add subtle harmonic distortion through its Legacy 4K effect. The SSL2+ is known for its high-quality sound recording and playback capabilities, with preamps that offer a large gain range and input padding options for controlling gain levels.

It also includes additional features such as the Legacy 4K analog color enhancement and the SSL Native software bundle for digital processing.

On the other hand, the Motu M4 is better for users who prioritize high sample rates, low noise levels, and clean amplification. The M4 offers a sound quality of up to 192kHz, indicating its ability to provide excellent audio quality with a wide frequency range and high resolution.

It boasts an impressive dynamic range and low noise floor, making it ideal for capturing clean and clear audio recordings. While it does not have specific additional features or technologies that directly affect the quality of the preamps, it still offers high-quality microphone preamps and ESS Sabre32 Ultra converters.

In summary, the Solid State Logic SSL2+ is better for users who want the option to add analog warmth and vintage character to their recordings, along with the flexibility of digital processing tools. The Motu M4, on the other hand, is better for users who prioritize high sample rates, low noise levels, and clean amplification without additional processing features.

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DSP processing

Based on the expert reviews, the Solid State Logic SSL2+ is better for DSP processing as it offers built-in SSL Native channel strips specifically designed for vocals and drums. These channel strips provide precise control and enhancement for vocal recordings and drum tracks. The SSL2+ does not have any limitations or restrictions on DSP processing, but it relies on the processing power of your computer and the SSL Native software bundle.

On the other hand, the Motu M4 does not have any built-in DSP processing capabilities. It focuses on providing a straightforward audio interface with high-quality audio recording and playback. The M4 does not have any limitations or restrictions on DSP processing and offers fast and efficient monitoring through your computer.

In summary, the Solid State Logic SSL2+ is better for users who require specific DSP processing tools for vocals and drums, while the Motu M4 is better for users who prioritize high-quality audio recording and playback without the need for built-in DSP processing capabilities.

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Compatibility

Based on the expert reviews, the Solid State Logic SSL2+ is better for users who primarily use Mac OS, as it is class-compliant with Mac OS 10. 11 and above and does not require any additional software installation. It is also compatible with a wide range of popular DAWs and comes bundled with SSL Native software, providing additional functionality and options for users.

The SSL2+ is also praised for its user-friendly interface and straightforward setup process.

On the other hand, the Motu M4 is better for users who require compatibility with a wider range of operating systems, including Mac OS X, Windows, Linux, and iOS. It is compatible with all major DAWs without the need for any additional software installation, making it a hassle-free option for users.

The Motu M4 is also versatile for users who work with mobile devices, as it supports iOS.

In terms of third-party plugins, the SSL2+ comes bundled with its own set of plugins, including SSL Native channel strips and third-party software from Avid, Ableton, and Native Instruments. These plugins are specifically designed to enhance vocal and drum sounds. On the other hand, the Motu M4 does not come with any built-in plugins or effects but is compatible with most audio software and can be used with any third-party plugins that are compatible with the user's chosen DAW.

Overall, both the Solid State Logic SSL2+ and Motu M4 offer compatibility with a wide range of software and operating systems. The SSL2+ may be better for Mac users and those who value bundled plugins, while the Motu M4 is better for users who require compatibility with a wider range of operating systems and a hassle-free setup process.

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Brand reputation

Based on the expert reviews, the Solid State Logic SSL2+ is better known for its legendary SSL sound and compact size. It is highly recommended for those who prioritize high-quality sound and need a portable interface without sacrificing connectivity. The SSL2+ is praised for its pro-studio sonics and is ranked highly in the Audio Recording Interfaces category.

On the other hand, the Motu M4 is considered one of the best-in-class audio interfaces under $300. It is recognized for its exceptional technical performance, low latency, and stable operation. It offers features that are not commonly found in its price range, such as MIDI inputs, extra RCA outputs, loopback functions, and direct monitoring.

The Motu M4 is ideal for those who require advanced features and affordability.

In terms of brand reputation, both Focusrite (parent company of SSL) and Universal Audio have a strong presence in the audio recording industry. Focusrite is well-known for its high-quality audio interfaces and has a solid reputation among professionals. Universal Audio is highly regarded for its audio interfaces and plugins, particularly its analog emulations.

Both brands have a history of producing reliable and high-quality products, contributing to their positive reputation in the industry.

Overall, the SSL2+ is better suited for those who prioritize SSL sound and portability, while the Motu M4 is more suitable for those who require advanced features and affordability.

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Experts recommend Solid State Logic SSL2+ more than Motu M4

As of 7 Nov 2024, experts prefer Solid State Logic SSL2+ over Motu M4, but both Audio Interfaces have solid expert endorsements.

As per this month's meta ranking, Solid State Logic SSL2+ received 3 recommendations: from Sweetwater (14 Mar 2022), Music Radar (24 Oct 2024) and soundref.com (1 Jan 2024). By contrast, Motu M4 received only 1 recommendation from Sweetwater (14 Mar 2022).

Rank Change Price Audio Interface
hollyland.com
bandpioneer.com
Wirecutter
Musician on a Mission
Sweetwater
Your Guitar Brain
EDM Sauce
Music Radar
soundref.com
producelikeapro.com
7
- $250
Solid State Logic SSL2+
The Solid State Logic SSL2+ audio interface is a versatile and high-quality option for musicians, podcasters, and content creators, offering a range of input and output options, high-quality preamps, low-latency input monitoring, and powerful digital processing tools.
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-
-
-
11
-
-
6
6
-
57
N/A $265
Motu M4
The Motu M4 audio interface is a versatile and reliable 4x4 USB-C interface suitable for a wide range of recording and playback needs, with low latency levels, clean and transparent preamps, and strong compatibility with various operating systems and major DAWs, making it an excellent choice for musicians, podcasters, and content creators who require a reliable and affordable audio interface with advanced features.
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-
-
-
19
-
-
-
-
-

Curious to see this month's entire Audio Recording Interfaces ranking? It's here

About our ranking methodology

Endorsement summary:

  • On 14 Mar 2022 Sweetwater ranked Solid State Logic SSL2+ as #11 and Motu M4 as #19
    Rank Audio Interface
    ... ...
    #11 out of 19 Solid State Logic SSL2+
    ... ...
    #19 out of 19 Motu M4
  • On 24 Oct 2024 Music Radar ranked Solid State Logic SSL2+ as #6
    Rank Audio Interface Comment
    ... ... ...
    #6 out of 8 Solid State Logic SSL2+
    The best for audio interface for tracking vocals
    ... ... ...
  • On 1 Jan 2024 soundref.com ranked Solid State Logic SSL2+ as #6
    Rank Audio Interface Comment
    ... ... ...
    #6 out of 7 Solid State Logic SSL2+
    Best interface for iconic heritage
    ... ... ...

After counting and adding up the 83 expert endorsements of the November rankings, Solid State Logic SSL2+ outranks Motu M4. This is not to say that Motu M4 is a bad option. Like Solid State Logic SSL2+, it is recommended by experts, but less.

MetaRanking Common points from expert reviews summarized.
As can be seen below, Solid State Logic SSL2+ is mentioned by key experts in Nov 2024, while Motu M4 is not.
Rank Change Price Audio Interface
hollyland.com
bandpioneer.com
Wirecutter
Musician on a Mission
Sweetwater
Your Guitar Brain
EDM Sauce
Music Radar
soundref.com
producelikeapro.com
1
- $200
Focusrite Scarlett 2i2
The Focusrite Scarlett 2i2 audio interface is a versatile and reliable device with low latency levels, upgraded preamp design, and a new Air mode that enhances high-end detail, making it a great choice for solo artists and mobile recording.
1
-
1
2
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1
-
-
-
-
2
- $180
Focusrite Scarlett 2i2 4th Gen
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1
-
-
-
-
-
1
1
-
3
- Check price
PreSonus AudioBox USB 96
The PreSonus AudioBox USB 96 is a versatile and reliable audio interface with low latency, high-quality mic preamps, and compatibility with almost all recording software, making it an excellent choice for musicians, podcasters, and other audio professionals.
3
3
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1
15
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4
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4
- $179
UA Volt 2
The UA Volt 2 audio interface is a versatile and high-quality device with low latency, two preamps based on the classic Universal Audio 610 tube preamp, and essential audio software, making it a reliable option for recording musicians, podcasters, and streamers.
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2
3
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3
Show all rows
Expert Reviews There are people on the Internet whose job is to review products. Below are their opinions.

Expert reviews [5]

100
Total expert reviews: 5
  • with a score: 2
  • without a score: 3
Highest score by gemtracks.com
100
Average score based on 5 reviews
100
Lowest score by HomeTheater Review
100

Score distribution:

80-100
60-80
40-60
20-40
0-20
Motu M4 Review | ‘Premium’ Entry-Level Interface?
The Motu M4 is an affordable 4-in/4-out audio interface with top-notch conversion and LED metering, making it one of the best-in-class interfaces under $300. It offers low latency, loopback functionality, and a variety of I/O options, making it a great choice for home studios and live broadcasters.
+ pros
  • Top-notch conversion with ESS Sabre32 Ultra converters providing 120 dB of dynamic range.
  • LED metering for all connected I/O, a feature normally reserved for more expensive interfaces.
  • Loopback functionality for streaming and live broadcasting, a feature that sets it apart from other entry-level interfaces.
  • Extremely low latency at 2.5 ms roundtrip recording at 24-bit/96 kHz.
  • Bus powered USB connectivity with USB-C compatibility.
- cons
  • The included USB-C to USB-A cable may require an adapter or separate purchase of a USB-C to USB-C cable.
  • The Scarlett 4i4, a direct competitor, offers similar features and quality of conversion for only $10 more.
100
MOTU M4 Audio Interface Review - Is it Worth It (2022 UPDATED)
The MOTU M4 Audio Interface is a well-designed and sturdy product that offers exceptional sound quality and a range of useful features at an affordable price. With its four input channels, loopback functionality, and low latency, it is an ideal choice for podcasters, live streamers, and musicians.
+ pros
  • Sturdy and well-designed with a sleek matte black finish.
  • Four input channels, two of which are microphone inputs, and four output channels that are doubled as cinch and jack sockets.
  • USB-C connection is bus-powered, but the interface has a button for switching it on and off to avoid crackling.
  • USB driver significantly reduces latency times.
  • ESS Sabre32 Ultra converters provide 120 dB of dynamic range, and the earphone output competes with independent earphone amps.
  • Loopback functionality blends the input signal with the output from the computer and sends it back to the computer.
- cons
  • No significant cons mentioned by the author.
Show all 5 reviews

Expert reviews [4]

No critic scores
Total expert reviews: 4
  • with a score: 0
  • without a score: 4
The Solid State Logic SSL 2+ audio interface is a high-quality, affordable option for both beginners and professionals in the world of audio recording. With incredible drivers, high audio resolution, and a sleek design, it delivers everything you need and more.
+ pros
  • Powerful drivers.
  • Pristine audio quality.
  • Extremely portable.
  • Comes with a software bundle including Vocalstrip 2 and Drumstrip.
  • Features Solid State Logic’s 4K Legacy mode.
  • Dual RCA outputs and MIDI I/O.
- cons
  • XLR ports have a bit of give.
  • Limited connectivity compared to other interfaces in its price range.
The SSL2+ interface is a standout 2-channel USB interface with exceptional preamps and converters for ultra hi-res recordings at home. Its Legacy 4k mode adds in extra depth and dimension without any EQ tweaking or extra processing, making it feel like a real, professional session.
+ pros
  • Exceptional preamps and converters for ultra hi-res recordings at home.
  • Legacy 4k control adds warmth and grit to recordings without the need for extra plug-ins.
  • Desktop layout with separate headphone and monitor level controls.
  • Comes with a variety of included software, including SSL Native Vocalstrip 2 and Drumstrip, Ableton Live Lite, Loopcloud samples, Native Instruments Komplete Start, and Avid’s Pro Tools First.
  • No extra software needed to manage or run the interface, making it easy to connect and use.
- cons
  • Rear panel connections may be an adjustment for users who frequently plug and unplug inputs.
  • No mention of compatibility with other DAW software besides PreSonus’ Studio One 5.
Show all 4 reviews
From Seller:
  • Speed: The M4 provides best-in-class speed for monitoring live inputs (mic, guitar or keyboard) through your computer, thanks to MOTU's expertly engineered USB drivers, which deliver class-leading, ultra-low 2.5 ms Round Trip Latency (at 96 kHz with a 32 sample buffer)
  • Read more
From Seller:
  • 2-In/4-Out USB Audio Interface
  • 2 x SSL-designed microphone preamps with unrivalled noise performance and gain range for a USB-powered device
  • Legacy 4K - analogue colour enhancement for any input source, inspired by classic SSL consoles
  • Read more

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