Nathan Landale

The Technology for The Next Generation

Teenage Engineering's recorder and mic make the Field series feel complete
Computer, Gadget & Technology

Teenage Engineering's recorder and mic make the Field series feel complete

Last spring, Teenage Engineering announced a curious, tiny mixer. At $1,200 the TX-6 appeared to pair a serious price tag with almost comically small controls. It divided music making forums with naysayers deeming it evidence that the company was squandering its reputation as a maker of products. Importantly, the TX-6 was the first in a new line of “Field” products. It was soon joined by the , but until recently that was it, and a mixer with a synth didn’t feel like much of a “system”.

With the arrival of the TP-7 recorder and the CM-15 microphone, the Field family is complete — although the company hasn’t ruled out adding more products further down the line. And like some sort of heavily designed musical Infinity Stones, all four products feel far more exciting and powerful together than they do individually. Or, forced metaphors aside, it’s easier to see where the company was going with all this now that the family is complete.

That’s if the $5,900 entry fee for the full set doesn’t make you balk. But let’s ignore the economics for now, as that’s an accepted part of the at this point. What we have here is a compact, creativity-inducing system that’s like no other and this off-beat, playful approach to product design is something I wish we saw more of (and ideally in a more accessible way).

We’ve already covered the synthesizer and how they interact with each other. But as the two new arrivals bring their own set of skills to the Field system, most of which is laid out below. I say most, as every time I tinker with them, it occurs to me to try something new. Similarly, revisiting the online guide seems to have an uncanny ability to throw up things you missed last time, further unlocking ideas or features.


Teenage Engineering’s first studio microphone is nothing if not beautiful. The Field aesthetic of small, rectangular CNC aluminum makes the most sense here out of all the products. The CM15 could really just be another fancy microphone. The CM15 is also the one where the price is most inconspicuous, given high-end microphones tend to start around the $1,200 that you’ll need to spend to add this to your collection.

The CM15 is a large diaphragm condenser microphone which is the type preferred in studios and tends to be a lot more sensitive than something like the podcaster’s favorite . This microphone doesn’t have elaborate features like internal storage or any type of sound modification tools, but it’s not without some interesting details. For one, the CM15 has three output options — mini XLR, USB and 3.5mm — which makes it compatible with a wide range of devices. Specifically, as the CM15 has its own battery, it plays nice with more USB devices than rival condensers that may require more juice than your phone can deliver.

A switch around the back offers three levels of gain adjustment (neutral and +/- 18dB) which is handy given the variety of things you can plug this into. The gain is analog and in testing sounds pretty clean, with only a marginal effect on the noise floor. I found being able to quickly adjust the gain directly on the mic for different situations made this mic feel like a really good all-rounder, both at home or on the go.

With regard to the Field range, and the intercompatibility thereof, there’s less here than other devices in the family. When you plug the CM15 into the TP-7 recorder over USB it recognizes it as the CM15 and presents you a cute mini icon of it. When the mic is detected you’ll also have the option to add an additional 12dB of digital gain — something that’s not an option when plugging in a phone, for example. The CM15 is also the only mic I tried that worked with the USB port of the TX-6 mixer. This allows you to add effects and, of course, mix it with other instruments, but also this frees up an analog input if needed (though the mic will share channel six with anything else on that input).

Teenage Engineering states the CM15 can also be used as an audio interface, but when tested this didn’t work for Windows, MacOS or iOS. Though it will work as a USB mic for all those operating systems.

As for sound, the CM15 is a very “close” sounding condenser microphone. By that, I mean it never seemed to pick up a lot of the room which can often be the case with condensers, especially those with larger diaphragms. This is due to the supercardioid polar pattern but the result is perfect for mobile applications where you may find yourself in different environments and the CM15 will deliver fairly consistent sound. For my voice, I might appreciate the option to bump the mid-high frequencies a touch, but for most everything else, including foley and instruments, the CM15 sounds bright and clear.


I’ll say it straight up front, the $1,499 TP-7 is my favorite of the four Field devices. The OP-1 Field is the flagship, but for pure portability to functionality balance, the TP-7 wins. Described as a “Field recorder” the TP-7 takes the idea of a portable cassette recorder and brings it up to date for the 21st century. There’s a built-in microphone, 128GB of storage and three stereo inputs (that can also be outputs). It can record multitrack podcasts, has tactile scrubbing controls and a thumb rocker and can even become a tiny turntable complete with scratching and physical pitch control.

First and foremost though, the TP-7 is a capable recorder. Press and hold the side button, even when the device is off, and it’ll spring to life and start recording via the internal mic. This feature is more about recording short notes and ideas which you can then have transcribed via a companion app. The app connects over Bluetooth or USB, works offline and will even identify different speakers. It’s not as fully featured as a paid service like Trint or Otter but it’s really cool extra functionality. I even tried loading an old interview I had on my PC onto the TP-7 and the app happily transcribed that, too. The only restriction seemingly being that you have a TP-7 (you can’t load an audio up from your phone within the app, for example).

Beyond memo recording is more general recording of the TP-7’s various inputs. As with the TX-6 mixer, your main inputs are 3.5mm ports which isn’t ideal but most things with a line signal can be wrangled into 3.5mm easily enough. You can also record audio into and out of your phone via USB-C (including the iPhone 15) or directly from the CM15 digitally and over 3.5mm analog at the same time, if you wanted.

The three 3.5mm ports can be configured for line-level or headset/TRRS input or flipped into outputs. Line level will cover most instruments and active electronics with audio output, while headset mode is for anything with a lower output signal such as, well, headsets, but also some other unpowered microphones like lavaliers. I even had some success recording an SM7b via an XLR to TRRS adapter. You can add up to 45dB of gain to the 3.5mm inputs, and with about 35dB the output from Shure’s gain-hungry mic was quiet, but clean and usable. Other XLR dynamic mics were much louder and usable.

With three microphones connected this way, the TP-7 will spit out a multitrack WAV file with each one recorded on its own channel making this a capable podcast recording tool or mini studio recorder that you can mix properly after the fact.

Connect a phone to the TP-7 over USB-C and you can record any sound directly, so you could grab the audio from a video and transcribe it with the app, or load up a beat and then sing or rhyme over it for an on the go demo whenever inspiration strikes. When playing back on the TP-7 the main front disk rotates and you can speed it up, slow it down or even do some rudimentary scratching. This could be used for effect when feeding the output into the TX-6 mixer for recording onto another device.

Multitrack also works for playback. So if you have a WAV file that has drums, vocals, synth and bass as different tracks, you can play it on the TP-7 into the TX-6 over USB and you can mix and add effects to each part of the track separately. In this way, you can use the pair as an effective performance tool, creating an intro with just the beat, adding in the bassline and so on.

Taking this concept even further, with two TP-7s and the TX-6 mixer you effectively have a pair of tiny turntables, with actual turning platters, that can be pitched up or down in real time into the mixer. It’s a classic analog DJ setup but the size of a paperback. I tried it, and mixing this way is really hard as using the jog wheel to alter pitch is a bit heavy handed. You can adjust the pitch more gently by holding the side button and then using the jog wheel, but if, like me, you haven’t mixed this way in 20 years, it takes a little getting used to. It’s also a little OTT to be fair.

What’s much more reasonable, is using the TP-7 as a general audio player. You can load files onto it, and then play them back either on the internal speaker or (preferably) via headphones. You can use the side rocker or the main wheel to control the playback, too. Currently you can only play .wav and .flac file extensions, which is fine, but the lack of mp3 feels like an obvious omission (Teenage Engineering confirmed support is incoming).

The flexibility of the TP-7 doesn’t stop out in the field. Connect it to your PC and it’ll become an audio interface, too. Or at least, that’s the idea. Right now on Windows I only had it working briefly and not in full. On macOS it was marginally better, but not usable. Bear in mind the TX-6 also offers this functionality, and after months that still doesn’t work with Windows at all and is still not flawless on macOS. It’s a shame, as at this price point you’d hope it works at launch and across both systems.

There’s really a lot more you can do with the TP-7, especially in combination with the TX-6. There’s Bluetooth MIDI functionality, for one. The two really make a great team, but the above cover much of the main functionality. Everything else starts to get a little bit niche. Fun, but niche. I’m also certain that functionality will continue to grow as Teenage Engineering is generally pretty good about adding features, often based on user feedback.

Putting it all together

After spending days plugging different things into the TP-7 and the TX-6 and trying out various scenarios and ideas, it sometimes felt like that was often half the fun. Wondering what will happen if you do X and connect to Y. Like musical lego. Much of this will be true for many combinations of audio gear, but the Field line does lend itself particularly well to this playful experimentation.

That said, there are some bugs that you might not expect at this price point. The most obvious one I encountered was the audio interface functionality. At launch I would expect Windows and macOS support and for both to be fairly seamless. Other curiosities were less important but still confusing. Sometimes the CM15 wouldn’t be recognized over USB until a restart, or simply using the analog/3.5mm output would sporadically give crunchy audio when recording into one thing, but clear audio on the TP-7. This could well be down to cables, adapters and so on, but when the same scenario works just fine on a product a third of the price it’s harder to justify.

Take the Tula mic, for example. It’s actually a device that’s already quite popular with Teenage Engineering fans. It has a more classic design, but offers similar functionality to both the TP-7 and the CM15 combined. The mic on it maybe isn’t as good as Teenage Engineering’s, and the recorder functionality doesn’t have the fancy rocker and jog wheel controls, but it’s a good mic and a good recorder all in one and it only costs $259 — less than a tenth of the TP-7 and CM15 together.

But as I said up top, this is less about the price. Teenage Engineering fans are aware of the expense that comes with the products. Many just for that extra dash of playfulness that you don’t find elsewhere. (Other fans are, to be clear, still .) That’s perhaps a conundrum that good old market forces can decide. If, after all these years, the company is still chugging along, it suggests there are plenty of people that consider it a premium worth paying.

What is less contested is that Teenage Engineering does something unique enough to earn it enough fans for there to even be an argument. Or an article like this one. The Field system, in my opinion, exemplifies what the company does best. Interesting tools that have a practical core and a less practical fun side. Individually all four field items will solve a basic problem, like most products do. Together they become a little bit more than the sum of their parts. If you believe creativity lives in that space between functionality and possibility then the Field range creates enough room here for the right kind of creator that the price

This article originally appeared on Engadget at

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