KZ D-Fi is a high-performance flagship dynamic in-ear monitor designed for audiophiles who demand precision tuning and powerful sound. Available in both Standard and Tunable versions, KZ D-Fi combines innovative electronic tuning technology with premium materials to deliver an exceptional Hi-Fi listening experience.
At the core of KZ D-Fi is a 10mm dual-magnet, dual-cavity dynamic driver. The dual-magnet structure uses two magnetic circuits to superimpose magnetic force, significantly improving energy efficiency, transient response, and overall sound dynamics. This advanced driver design produces deeper bass, clearer mids, and well-extended highs with excellent control.
Unlike traditional tuning methods that rely on changing acoustic dampers, KZ D-Fi adopts a patented electronic tuning circuit. This pioneering approach allows precise control over specific frequency bands, resulting in accurate and repeatable tuning that closely follows the target sound curve.
To meet different listening preferences, KZ D-Fi is offered in two versions. The Standard Version features accurate and balanced frequency response tuning, ideal for everyday listening and a wide range of music genres. The Tunable Version is equipped with four precision electronic switches, allowing users to create up to 16 different sound profiles. The first three switches adjust low-frequency output progressively, while the fourth switch fine-tunes the entire frequency range, enabling full customization based on personal taste.
KZ D-Fi follows a classic U-shaped tuning style that is easy to drive and suitable for various music styles. The bass is powerful yet clean, vocals are well separated, and the treble is natural and smooth. With an ultra-wide frequency response range of 7Hz to 45,000Hz, KZ D-Fi delivers deep sub-bass extension and excellent high-frequency detail far beyond standard earphones.
The earphones feature a full-metal 3D stereo design with a creative irregular faceplate. Multiple finishing processes and manual mirror polishing create a premium metallic texture and high-end appearance. The ergonomic in-ear cavity and properly sized nozzle ensure a secure and comfortable fit, even during long listening sessions. Sound-isolating memory foam ear tips help reduce external noise and improve immersion.
KZ D-Fi uses a professional high-purity silver-plated cable to reduce signal loss and maintain high-fidelity sound transmission. The detachable 0.75mm 2-pin gold-plated connector allows easy cable replacement and upgrades. An optional HD microphone cable supports clear calls and convenient music control with a single multifunction button.
Product specifications
Model: KZ D-Fi
Sensitivity: 110 ± 3dB
Frequency response: 7Hz – 45,000Hz
Impedance: 23.5Ω (Standard Version), 29Ω–48Ω (Tunable Version)
Plug type: 3.5mm
Pin type: 0.75mm 2-Pin
Cable type: Silver-plated cable
Cable length: 120 ± 5cm
Package contents
Earphones
Silicone ear tips
Silver-plated cable
Tuning lever (tunable version only)
Instruction manual
Eco-friendly packaging
