Specifications

Type	Wireless/Wired
Open/Closed	Closed
Fit Style	Circumnaural (Around the Ear)
Driver Size	40mm
Noise Attenuation	Active Noise Cancelling
Frequency Response	18 Hz - 22 kHz
DSP Latency	17 ms
DSP Bypassable	No
Connectivity	Bluetooth (AAC, SBC) 3.5mm stereo plug USB-C for charging
Controls	Button Controls
Built-in Mic	Yes
Features	Reference tunings for popular headphones Wireless Calling Play/Pause/Next/Previous Controls
Power	Rechargeable Li-Ion Battery
Battery Life	40+ Hours
Foldable	Yes
Color	Black
Carrying Case	Yes
Replaceable Earpads	Yes
In the Box	HP-1 Headphone USB-C Charging Cable 3.5 mm cable 3.5 mm to ¼-inch headphone adapter
Height	7.75 Inches (19.7 cm), Adjustable

Quality Of Life

The HP-1 isn’t just a studio headphone. Because of the DSP chip processing the different tunings, the HP-1 also has quality of life features to make it a great headphone for casual listening and when you’re on the go!

Wired or Wireless Connection

Connect the included headphone cable for higher fidelity or use Bluetooth for on-the-go convenience. As your everyday headphone, getting used to the sound of the HP-1 will help you make better, more confident mixing decisions.

Active Noise Cancelling

When it’s loud out, engage ANC to block out the outside world.

Bluetooth Controls

Buttons on the headphone allow you to adjust the level, go forward and back, and even pick up calls!

40+ Hour Battery Life

Get at least 40 hours of playback out of a single charge, then recharge with the included USB-C cable.

Kali audio HP-1 multi-reference headphone