Promotion ended. This news item covers a campaign from May and June 2024 whose announced period ended on June 28, 2024. The headphone gift described here does not correspond to a current offer.
We are keeping this post as a historical reference. The product links have been updated so you can view their current product pages, not to reactivate the promotion.
Material from the original 2024 campaign. Promotion ended.
View the equipment from the campaign
The RØDECaster Pro II combines mixing and recording features for podcast projects and content creation. The RØDECaster Duo offers a more compact format alternative. View the connections and features of each model on its product page to choose according to your setup.
The RØDE NTH-100 have their own purchase page. They should not be confused with the NTH-100M, a different model from the one targeted by the old link in this news item.
Frequently asked questions about this promotion
Is the NTH-100 headphone gift still valid?
No. The campaign described in this post ended in June 2024. You should not interpret this news item as a gift included in a current order.
Where can I check the current price and availability?
On the RØDECaster Pro II, RØDECaster Duo, and NTH-100 product pages linked in this article. Review the terms and conditions listed on the product page and in your cart before completing the order.
Headphone cables are that detail no one chooses, but everyone suffers from: they get tangled in the booth, limit how far you can get from the table, and force you to keep an eye on them in the middle of a session. The new wireless DJ headphones AlphaTheta HDJ-F9, introduced on October 15, 2026, want to eliminate that hassle without sacrificing what really matters when monitoring: hearing in real time.
The key is SonicLink, AlphaTheta's proprietary wireless technology. According to the manufacturer, it offers a latency of 9 ms, enough to mix tracks and even scratch without noticing any delay.
What does SonicLink offer compared to standard Bluetooth?
Conventional Bluetooth is designed for listening to music, not for live monitoring. That is why the HDJ-F9 combine two connections:
SonicLink for DJing: low latency, high volume, and a range of up to 15 m in unobstructed spaces.
Multipoint Bluetooth 5.3 for the rest of the day: simultaneous connection to two devices (for example, a phone and a computer), with compatibility with Google Fast Pair and Windows Swift Pair.
The new feature is SonicLink Touch Pairing: you touch the mixer with the headphones and they pair. For now, the compatible equipment listed by AlphaTheta is the AlphaTheta DJM-V5, which needs its firmware updated to the latest version. To connect them to other mixers or controllers, you need the AlphaTheta HP-TX01 transmitter, which is sold separately.
Sound and isolation designed for the booth
Although they are compact, AlphaTheta has designed them for monitoring in noisy booths:
40 mm drivers with a PEEK-PU-PEEK diaphragm and a bass-reflex chamber in each housing to define bass and kicks.
Isolation that, according to the manufacturer, is high for an on-ear model, allowing you not to turn up the volume as much and reducing listening fatigue.
Silicone headband and swiveling supports for listening with one ear or wearing them around your neck, and a die-cast aluminum slider.
They also include a 1.2 m coiled cable (about 3 m extended) for wired use, a microphone for calls, and the HEADPHONES CONNECT app, which allows you to change the color of the status LED, set up automatic shut-off, or locate the headphones.
Who they make sense for (and who they don't)
They are a good fit if you DJ frequently, move around the booth, and want headphones that also work outside of it with Bluetooth. If you already have or are going to get a DJM-V5, touch pairing simplifies setup.
It is worth thinking about in these cases:
If your equipment is not compatible with Touch Pairing, you will have to add the HP-TX01 transmitter to use SonicLink.
Battery life: with SonicLink, about 7 hours with the LED on and 9 hours off (13 and 25 hours via Bluetooth). For long sessions, it is best to charge beforehand; 30 minutes of charging gives about 2.5 hours of use.
On-ear format: they rest on the ear. If you prefer headphones that completely cover it, try them before deciding.
iOS app: AlphaTheta indicates that the iPhone version will arrive later.
Frequently asked questions
Can I use the HDJ-F9 wired? Yes. They include a coiled cable with an L-shaped connector and a 6.3 mm adapter.
Do they work wirelessly with any mixer? With SonicLink, directly only with compatible equipment such as the DJM-V5. With the rest, through the HP-TX01 transmitter, which is sold separately.
I have a DJ controller, not a mixer. Are they suitable for me? Yes. Wired, they work with any equipment that has a headphone output, using the coiled cable and the 6.3 mm adapter if needed. To use them wirelessly with your controller, you need the HP-TX01 transmitter.
Can I use them with my iPhone? Yes, via Bluetooth, to listen to music or make calls. What is not yet available is the HEADPHONES CONNECT app for iOS: AlphaTheta indicates that it will arrive later, so for now, LED customization and settings are done from Android.
How much do they weigh? 285 g without the cable, according to the manufacturer.
What warranty do they have? Two years.
Discover Austrian Audio at microFusa: OC818 microphones, PG16 headphones, and accessories. Check specifications, prices, and availability, and buy online.
We compare eight studio headphones for recording, producing, and mixing: open, closed, and wireless options, along with their advantages and limitations to help you choose.
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