Kali Audio HP-1 Multi-Reference Headphones

The Kali Audio HP-1 is an over-ear studio headphone designed for mixing, quality control, and critical listening. With three selectable voicings—Studio, Consumer, and Bass-Heavy—the HP-1 helps engineers and music creators check how their mixes will translate across popular listening environments. Bluetooth, active noise cancelling, and over 40 hours of battery life make the HP-1 equally suited for casual listening, remote sessions, and studio use alike.

Key Features

• Three Selectable Voicings: Studio, Consumer, and Bass-Heavy modes
• Full-Range Sound: Reference-level audio from 40mm drivers with wide 18 Hz – 22 kHz frequency response
• Bluetooth Connectivity: Supports AAC and SBC with wireless calling and onboard playback controls
• Active Noise Cancelling: Blocks environmental noise for focused listening
• Battery Life: 40+ hours of runtime on a single charge
• Comfort-Focused Design: Lightweight, foldable, and comfortable for long sessions
• Durable & Replaceable: Replaceable earpads and rugged construction for long-term use

Specifications

• Type: Wireless/Wired Closed-Back Over-Ear (Circumnaural)
• Driver Size: 40mm
• Frequency Response: 18 Hz – 22 kHz
• Noise Attenuation: Active Noise Cancelling
• DSP Latency: 17 ms (not bypassable)
• Connectivity: Bluetooth (AAC, SBC), 3.5mm stereo plug, USB-C for charging
• Controls: Play/Pause, Next/Previous, Mode Select, Wireless Calling
• Battery: Rechargeable Li-Ion (40+ hours)
• Foldable: Yes
• Color: Black
• Replaceable Earpads: Yes
• Weight: 0.4 lbs (150g)
• In the Box: HP-1 Headphone, USB-C Charging Cable, 3.5mm Cable, ¼-inch Adapter, Carrying Case

Dimensions & Packaging

• Headphone Height: 7.75 in (19.7 cm), Adjustable
• Width: 6.5 in (16.5 cm)
• Depth (Earcup): 3.5 in (8.9 cm)
• Box Dimensions: 8.7 in H x 8.3 in W x 3.1 in D
• Box Weight: 2.2 lbs (1 kg)