An introduction to the comparison of popular audio interfaces, emphasizing the focus on build and sound quality.

• Announced the testing of popular audio interfaces around the £100 price range.
• Explained the intent to share favorites and discuss build, recording, and playback quality of each interface.

Guidance on using video chapters and timestamps to navigate through the detailed comparison.

• Instructed viewers to use chapters and timestamps to navigate the video.
• Encouraged viewers to focus on specific interfaces or aspects like recording or playback quality.

Initial impressions and overview of the audio interfaces tested for the review.

• Tested over a dozen interfaces, focusing on six, with four favorites around £100 and two cheaper at £70.
• Purchased interfaces personally, without affiliation or sponsorship, to maintain fairness and announced a giveaway.

A brief explanation of what an audio interface is and its function in a music production setup.

• Defined an audio interface as a device for recording and playback of audio via computer connection.
• Highlighted the interface's role in providing power and transferring data but not affecting the final export quality.

Introduction to the four favorite audio interfaces and preliminary recording quality tests.

• Introduced four favorite interfaces: Presonus Studio 24c, Focusrite Solo 3rd Gen, Audient Evo 4, and NI Komplete Audio 2.
• Conducted recording tests using a Shure SM7B microphone, noting that all interfaces provided good levels without significant noise.

Detailed results from recording tests, analyzing noise and tone of the preamps.

• Played back recordings from each interface, focusing on noise and tone of the preamps.
• Found no significant differences in sound quality, indicating that build quality and workflow are the main differentiators.

Examination of headphone and loudspeaker outputs across the interfaces.

• All interfaces provided ample gain for headphones, with volume levels being dangerously high past the halfway mark.
• Tested audio clarity, depth, and width by recording outputs and found minimal differences between interfaces.

In-depth look at the build quality and features of the Presonus Studio 24c interface.

• Highlighted the full metal construction, combination XLR inputs, and individual controls for each function.
• Praised the interface's metering screen, separate headphone and loudspeaker volume controls, and USB-C connectivity.

Examination of the Focusrite Solo 3rd Gen's build quality, inputs, outputs, and limitations.

• Reviewed the solid build quality, input and output limitations, and the unique halo level indicators.
• Noted the absence of separate headphone and loudspeaker volume controls, and praised the upgrade to USB-C.

Review of the NI Komplete Audio 2 interface, discussing build quality and design aspects.

• Mentioned the plastic build, outdated USB-B connection, and the combination inputs.
• Criticized the limited usability of the volume dial and suggested potential improvements.

Critical review of the Audient Evo 4 interface, focusing on its build and usability.

• Commented on the plastic build quality, smart gain feature, and lack of independent volume control for headphones and speakers.
• Appreciated the input and output quality but questioned the price value.

Comparison of two budget-friendly interfaces and advice on purchasing used equipment.

• Recommended Mackie and a Presonus model as the best options for around £70, but noted their compromises.
• Advised considering used equipment for better value against buying new at lower price points.

Summary of top recommendations and announcement of a giveaway for the interfaces.

• Identified the Presonus Studio 24c and Focusrite Solo 3rd Gen as the preferred choices.
• Announced a giveaway for some of the interfaces and invited viewers to participate or ask questions in the comments.