Headphones are a wonderful way to tell the world you are temporarily closed for business. A Bluetooth speaker sends the opposite message: apparently, everyone is hearing your playlist now. The TDM Neo does both jobs, with a headband that rolls up to turn your private listening bubble into a small shared sound system. Your music can become a group project with one twist. Please consult the group first.
These are actual headphones that turn into a speaker, rather than ordinary headphones cranked loud enough for the person beside you to identify the chorus. The Neo has separate inward-facing and outward-facing drivers. Open it up for over-ear listening, then twist it into a compact bundle when you want the music out in the room.
That transformation is the main attraction. It gives one object two useful shapes and two distinct jobs, without asking you to pack a second device. For anyone whose travel bag already contains a tiny archaeological record of charging cables, removing even one gadget feels like progress.
The headband has a second job
In headphone form, the Neo looks fairly familiar: round black ear cups, thick cushions, and an adjustable headband. In speaker form, the headband wraps around the cups to make a compact, roughly circular package. It is a satisfying change of shape, with the larger headphone silhouette disappearing into something you can set beside your laptop or carry to a picnic table.
TDM lists four independently tuned 40mm drivers and dual integrated amplifiers. Two drivers handle headphone listening; the outward-facing pair supplies the speaker function, listed as two 5-watt speakers. The point is that the outside of the ear cups is doing real work. This is more deliberate than simply turning your headphones inside out and hoping acoustics will be cooperative.
That does not make a small wearable speaker a replacement for every stereo you own. Think shared listening nearby: music while unpacking in a hotel room, a soundtrack for a small gathering, or something playing at your desk after the workday ends. Those are more sensible expectations than demanding concert sound from an object that recently sat on your head.
You decide what the twist means
The clever part could also become the awkward part if every adjustment broadcast your audiobook to strangers. Fortunately, TDM lets you configure how the Neo responds to its transformation. Switching to speaker mode is one option, rather than an unavoidable consequence of touching the headband.
The app provides twist controls alongside separate equalizer profiles for headphone and speaker use. That separation makes sense: music beside your ears and music projected toward other people are different listening situations. You can adjust each without expecting a single sound setting to suit both.
- Automatic audio switching: change between headphone and speaker listening with the twist.
- Pause behavior: use the shape change to pause and resume playback instead of making the music public.
- Power controls: configure twisting as a way to turn the device off and on.
- Manual control: keep automatic speaker activation disabled until you choose to use it.
- Separate EQ profiles: tailor the headphone sound and the speaker sound independently in the app.
The manufacturer also lists wireless firmware updates and a locate-and-ping function through the app. The latter is local device finding, not a promise of worldwide tracking. It is suited to the much more common mystery of where you put the headphones while searching for the headphones.
What is packed into those ear cups?
Beyond the physical trick, the Neo includes Bluetooth 6 and multipoint pairing, plus SBC and AAC codec support. There is also a 3.5mm AUX input for wired listening. A cable still has its moments, especially when you would prefer a direct connection over another round of pairing-menu diplomacy.
The specification list includes built-in microphones and ENC. Do not read that abbreviation as a claim of active noise cancellation for your music: ENC is the term TDM lists, and the product specifications do not establish an ANC listening feature. The transformable design is the reason to consider these, with comfort and sound preferences still deserving their own attention.
| Detail | TDM’s listed specification |
|---|---|
| Driver arrangement | Four 40mm drivers, including two 5W speakers |
| Wireless connection | Bluetooth 6 with multipoint pairing |
| Audio codecs | SBC and AAC |
| Wired connection | 3.5mm AUX input |
| Weight | Under 340 grams |
| Serviceable parts | Replaceable battery module and removable memory foam ear cushions |
At under 340 grams according to TDM, the Neo has a real physical presence. That figure is worth considering if you wear headphones for long stretches. The adjustable headband and memory foam cushions are useful details, but neither can tell you exactly how a pair will feel on your particular head after an afternoon of listening.
Long battery claims, with two very different workloads
TDM advertises more than 200 hours of headphone playback and more than 16 hours in speaker mode. Those are manufacturer ratings, not results from our own listening test. TDM also notes that volume, content, and use affect the battery life. A week of quiet headphone sessions is a different assignment from projecting music across a room.
The company says a five-minute USB-C charge can provide up to eight hours of listening. Treat that as another conditional claim, rather than a reason to retire every charging cable in the house. Still, quick charging is particularly appealing in a product intended to move between solo listening and spontaneous shared music.
The replaceable battery module is arguably as interesting as the huge runtime number. Batteries age; allowing the module to be replaced gives the design a practical maintenance feature beyond its party trick. The removable ear cushions matter for similar reasons. Parts that touch your head every day should not be the thing that makes the whole device feel disposable.
Who would actually use both modes?
The strongest case is someone who regularly carries headphones and a compact speaker. Travel is an obvious example: private listening on the journey, then some music in your room when you arrive. A small home workspace is another, particularly if your desk cannot absorb one more permanent occupant with a charging port.
It is less compelling if you only ever use headphones, or already have speakers wherever you listen. Combining two objects is convenient when you need both objects. Otherwise, you are carrying a transformation mechanism for a social life your headphones are having without you.
And public-space etiquette remains gloriously low-tech. A speaker mode does not turn a train carriage into your listening party. The configurable twist settings are useful precisely because private listening and shared listening should remain intentional choices.
Images: TDM.
The useful details before you shop
- Product: TDM Neo hybrid headphone speakers, with a headband that twists into a compact speaker configuration.
- Colors: Onyx Black and Cool White.
- Controls: configurable twist responses and app-based EQ profiles for each listening mode.
- Maintenance: replaceable battery module and removable memory foam ear cushions.
- Included: carry case, USB-C charging cable, 3.5mm AUX cable, and quick-start guide.
- Battery figures: TDM claims 200-plus hours as headphones and 16-plus hours as a speaker; actual runtime varies.
The Neo is listed at $249 on TDM’s store. At the time of writing, the manufacturer’s product page marks both color variants unavailable, so check current stock before planning a gift or a departure-day delivery. The twist is clever enough to deserve attention on its own; it does not need a fictional promise that a pair can arrive tomorrow.
| Pros | Cons and considerations |
|---|---|
| One device handles private and shared listening | Most useful only if you want both functions |
| Separate inward- and outward-facing drivers | A compact speaker is suited to modest shared-listening duties |
| Configurable twist behavior and separate EQ profiles | Personalization involves the companion app |
| Replaceable battery and removable ear cushions | Future replacement-part availability still matters |
| Long advertised runtime and USB-C fast charging | Battery figures are manufacturer claims and vary with use |
| Carry case and both connection cables included | Both colors currently show unavailable on TDM’s store |
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These Headphones Twist Into a Bluetooth Speaker When You Want to Share Your Music
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