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ATH-HDJ-F9

AlphaTheta HDJ-F9 Wireless DJ Headphones


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Engineered to give DJs untethered freedom, AlphaTheta HDJ-F9 headphones are built around SonicLink wireless technology, delivering seamless pairing with compatible devices along with accurate, lag-free sound and just 9 milliseconds of latency. In addition to SonicLink, multipoint Bluetooth enables smooth switching between devices, while an included coiled cable with lockable connection offers reliable wired operation.

The cutting-edge 40mm dynamic drivers feature PEEK-PU-PEEK composite diaphragms that suppress unwanted vibrations, while bass-reflex chambers sharpen low-frequency response across an ultra-wide 5Hz to 30kHz frequency range. An optimized internal structure provides outstanding acoustic isolation, enabling comfortable monitoring without having to push the volume.

Designed for professional monitoring styles, the HDJ-F9 features a flexible headband, swivel mechanism, and rugged die-cast aluminum extendable slider to accommodate one-ear, two-ear, and shoulder-rest wear with equal assurance. Enhanced by the AlphaTheta HEADPHONES CONNECT app for LED customization and a built-in Find My Headphones feature, the HDJ-F9 delivers up to 25 hours of battery life with Bluetooth in a minimal, portable package.

Features

  • Wireless, closed-back DJ headphones with flexible monitoring configurations
  • SonicLink technology delivers seamless pairing, accurate, lag-free sound, and just 9ms of latency
  • SonicLink Touch Pair (NFC) for quick and easy connection
  • Multipoint Bluetooth provides smooth switching between paired devices
  • Cutting-edge 40mm dynamic drivers with PEEK-PU-PEEK composite diaphragms to suppress unwanted vibrations
  • Bass-reflex chambers sharpen low-frequency response
  • Optimized internal structure provides outstanding acoustic isolation
  • Swivel mechanism and flexible headband accommodate 1-ear, 2-ear, and shoulder-rest wear
  • Rugged die-cast aluminum extendable slider and lockable detachable cable
  • AlphaTheta HEADPHONES CONNECT app (iOS/Android) customizes LEDs and adds a built-in Find My Headphones feature
  • Integrated omni-directional electret condenser microphone with Apple Siri and Google Assistant support
  • Up to 25 hours of battery life with Bluetooth via built-in lithium polymer battery
  • Foldable design includes carry pouch and USB-C charging cable

Specs

  • Model: HDJ-F9 Wireless DJ Headphones
  • Type: Wireless, Closed-back
  • Fit Style: Circumaural (over the ear) / On-ear design
  • Driver Size: 1.57" (40mm) Dynamic
  • Frequency Response: 5Hz to 30kHz
  • Impedance: 32 ohms
  • Connectivity: SonicLink, Bluetooth v5.3, 1/8" TRS Cable, 1/4" TRS Adapter, USB-C (charging)
  • Cable Type: Coiled (Detachable, Lockable)
  • Cable Length: 3.9' to 9.8' (extended)
  • Controls: Volume +/-, Pairing Button, Multi-purpose Button
  • Built-in Mic: Omni-directional Electret Condenser
  • Voice Assistant: Apple Siri, Google Assistant
  • Software / App: AlphaTheta HEADPHONES CONNECT App (iOS/Android)
  • Battery / Power: Built-in 3.7V Lithium Polymer Battery, USB Powered Charging (1.6' C-to-C cable included)
  • Battery Life: Up to 25 Hours w/BT (approx.)
  • Foldable: Yes (Swivel Mechanism)
  • Materials: Polyurethane Ear Pads, Silicone Headband, Die-Cast Aluminum Extendable Slider
  • Included Case / Bag: Carry Pouch
  • Color: Black
  • Weight: 10.05 oz