AlphaTheta launches HDJ-F9 wireless DJ headphones at $349

On October 15, 2026, AlphaTheta, the company formerly called Pioneer DJ Corporation, announced the HDJ-F9: on-ear wireless DJ headphones built around SonicLink, its own low-latency wireless system. They cost $349 on AlphaTheta's US online store, and €379 or £329 according to DJ Mag and MusicTech. Here is what they do, what they really cost with your gear, and whether going wireless makes sense for you.

What AlphaTheta announced

The HDJ-F9 sits on your ears rather than around them (on-ear), weighs 285 g (10 oz) and uses newly developed 40 mm drivers. A small air chamber at the top of each earcup, called a bass-reflex chamber, is there to keep kicks and basslines punchy and clear, AlphaTheta says. It joins the HDJ-F10, AlphaTheta's first SonicLink headphones, from 2024.

The headline number is latency: the delay between the sound leaving your mixer and reaching your ears. Over SonicLink, AlphaTheta quotes a latency as low as 9 ms (milliseconds), low enough, it says, to monitor a mix and even scratch without a cable. The same headphones also connect over regular Bluetooth 5.3, to two devices at once (a phone and a laptop, for example), for everyday listening.

Touch Pairing and the transmitter

New with the HDJ-F9 is SonicLink Touch Pairing: you touch the headphones to a compatible unit and they connect. AlphaTheta names its DJM-V5 mixer, which has a SonicLink transmitter built in, and says you first need to update the mixer's firmware to the latest version.

All other gear, including mixers and controllers from other brands, needs the SonicLink Transmitter HP-TX01, sold separately. You plug it into the headphone output of any mixer (a PHONES jack or a 3.5 mm mini jack) and it sends the sound to the headphones. AlphaTheta lists it at €129 including VAT, and $159 in the US before sales tax. So unless you play on a DJM-V5, the real US price is $508, and kopfhoerer.de, a German headphone site, came to €508 in euros.

The details

A 1.2 m coiled cable comes in the box. It stretches to about 3 m and locks into the earcup with a twist, so you can also use the HDJ-F9 as wired headphones. A free app, HEADPHONES CONNECT, changes the color and brightness of the status LED, sets the auto power-off, installs firmware updates and can make the headphones play a sound when you lose them. The app is out on Android, and AlphaTheta says the iOS version will come to the App Store later.

AlphaTheta also says the HDJ-F9 blocks more outside noise than other on-ear models, so you can monitor without turning the volume up too high. That matters for your ears: our guide to hearing protection for DJs explains why.

Prices checked October 2026. Euro and pound prices for the headphones as reported by DJ Mag and MusicTech.

When you can buy them

Sources disagree on the date. AlphaTheta's announcement gives no release date. DJ Mag wrote on October 15 that the headphones were out now, kopfhoerer.de gave October 15 as the start of sales, and The Fader said they would be available in late October. On October 17, AlphaTheta's own US online store showed the HDJ-F9 in stock at $349. Shops in your country may get them later.

What it means for DJs

Latency is what matters for cueing. When you beatmatch by ear, you hear the next track in your headphones and the playing track from the speakers, and you line up the two kick drums. If your headphones run late, you end up correcting a drift that is not there. The Fader put it simply: delay "turns beatmatching into guesswork." 9 ms is about the time sound takes to travel 3 m (10 ft) through the air, like standing a few steps from a speaker. Regular Bluetooth is a different story: AlphaTheta puts it at 200 to 300 ms, and kopfhoerer.de measured 178 ms over Bluetooth in its test of the HDJ-F10. At 124 BPM (beats per minute) one beat lasts about 484 ms, so 250 ms is half a beat. Mix over SonicLink or the cable, and keep Bluetooth for listening on the go.

Check the battery against your longest set. About 7 hours with the LED on covers most club sets, and switching the LED off gives about 9. For an all-night set, count the sound check and the wait before you play too. Charge the night before, and remember that the HP-TX01 has its own battery: about 9 hours of use and about 4 hours to charge, AlphaTheta says. A 30-minute top-up of the headphones gives about 2.5 hours, which can save a long day.

Keep a wired pair in your bag. Wireless adds two things that can let you down: a battery and a radio link. Carry the cable from the box and, if you can, a spare pair of wired headphones, so a flat battery or a transmitter that will not pair in a strange booth does not end your set. Our DJ gig bag checklist covers the rest of the backups.

It is not a must-buy. A good wired pair still works in every booth, for less money. Wireless makes the most sense if you move a lot behind the decks, scratch, or already play on a DJM-V5. If you play on different club gear every weekend, you will plug in and charge the transmitter at every gig. And for now the figures come from AlphaTheta: kopfhoerer.de noted that it had not tested the HDJ-F9 yet, so wait for independent reviews of the sound and isolation if you can.

Other wireless DJ headphones

AlphaTheta is not the only option. Its own HDJ-F10 is a heavier model at 356 g, with about 9 hours over SonicLink, listed on AlphaTheta's US store at $469, or $599 with the HP-TX01 included. AIAIAI's TMA-2 DJ Wireless uses its own system, W+ Link, with latency under 10 ms, more than 20 hours of battery, a transmitter in the box and a weight of 217 g, for €300 on AIAIAI's site. There is no shared standard yet, kopfhoerer.de points out: each brand uses its own wireless system.

For the rest of AlphaTheta's 2026 gear, including the DJM-V5 mixer and the CDJ-1500X player, read our roundup of the new DJ gear of 2026.

Sources: AlphaTheta, AlphaTheta (HDJ-F9 specifications), DJ Mag, The Fader, MusicTech, kopfhoerer.de.