{"rewrite":{"id":"r_2113a631e900e932a6af05ff","clusterId":"c_e6d553b96b9d6c6621d06517","slug":"alphatheta-sets-october-28-release-for-hdj-f9-wireless-dj-headphones","model":"deepseek-v4-1-flash","headline":"AlphaTheta Sets October 28 Release For HDJ-F9 Wireless DJ Headphones","summary":"AlphaTheta will release the HDJ-F9, a professional on-ear wireless DJ headphone, on October 28, 2026, priced at 54,780 yen including tax. The model carries SonicLink, the company's ultra-low-latency wireless technology, rated at 9 ms of latency. SonicLink touch pairing connects the headphones to compatible DJ equipment, and the separately sold HP-TX01 transmitter extends that connection to other devices.","whyItMatters":"AlphaTheta is selling the HDJ-F9 on the claim that wireless latency is now low enough for stage monitoring, which is the condition that has kept DJ headphones wired.","webCardHtml":"\u003cp\u003eThe HDJ-F9 uses a newly developed 40 mm driver inside a compact on-ear housing, paired with a bass-reflex air chamber in the upper housing and a PEEK-PU-PEEK composite diaphragm. AlphaTheta says the combination reproduces sub-bass and the attack of kicks and bass while holding distortion down in the mid and high ranges, and that internal structure changes give the on-ear model sound isolation suited to a noisy DJ booth.\u003c/p\u003e\u003cp\u003eA swivel hanger and flexible silicone headband allow single-ear monitoring and other wearing styles. The dedicated HEADPHONES CONNECT app customizes the status LED color and brightness.\u003c/p\u003e","blueskyPost":"AlphaTheta rates SonicLink at 9 ms, which is the number that decides whether DJs trust wireless cuing. The HP-TX01 transmitter is sold separately, so the low-latency link reaches non-DJ gear only if buyers add it.","twitterPost":"AlphaTheta's 9 ms SonicLink claim is the whole pitch. Reaching non-DJ gear needs the separately sold HP-TX01 transmitter.","threadsPost":"AlphaTheta's HDJ-F9 pitch rests on 9 ms of SonicLink latency, the figure that decides whether DJs trust wireless cuing over a cable. The HP-TX01 transmitter that extends that link to other devices is sold separately, so the full wireless setup costs more than the 54,780 yen tag.","newsletterBlurb":"AlphaTheta has dated its HDJ-F9 professional on-ear wireless DJ headphones for October 28, 2026 at 54,780 yen including tax. The model runs on SonicLink, the company's ultra-low-latency wireless technology, rated at 9 ms, with touch pairing to compatible DJ equipment. A separately sold HP-TX01 transmitter extends the connection to other devices.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/443/4443048/?rss\",\"title\":\"Freedom from cables pushes DJ expression to a new stage: Professional on-ear wireless DJ headphones \\\"HDJ-F9\\\" with ultra-low-latency wireless technology SonicLink(TM)\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5102,"outputTokens":611,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1792057939,"createdAt":"2026-10-15T09:49:54.000Z","publishedAt":"2026-10-15T09:51:11.000Z","updatedAt":"2026-10-15T09:51:11.000Z"},"cluster":{"id":"c_e6d553b96b9d6c6621d06517","canonicalTitle":"ケーブルからの解放が、DJの表現力を新たなステージへ押し上げる　超低遅延ワイヤレス技術SonicLink(TM)搭載　プロフェッショナルオンイヤーワイヤレスDJヘッドホン「HDJ-F9」","representativeArticleId":"a_29d8ca32802f2b91fe2bc66b","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"HDJ-F9\"],\"studios\":[],\"people\":[],\"type\":\"announcement\",\"domain\":\"music\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-15T07:00:00.000Z","lastSeenAt":"2026-10-15T07:00:00.000Z","updatedAt":"2026-10-15T09:51:08.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/443/4443048/?rss","title":"ケーブルからの解放が、DJの表現力を新たなステージへ押し上げる　超低遅延ワイヤレス技術SonicLink(TM)搭載　プロフェッショナルオンイヤーワイヤレスDJヘッドホン「HDJ-F9」"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["HDJ-F9"],"studios":[],"people":[],"type":"announcement","domain":"music","is_roundup":false},"keyFacts":null}