Astell&Kern AK ZERO2 Universal In-Ear Monitors

🧾 Overview

The Astell&Kern AK ZERO2 are high-end universal in-ear monitors that take the hybrid concept to the extreme. Featuring a custom Quad-Brid driver system — combining planar, balanced armature, dynamic, and piezoelectric elements — they deliver stunning clarity, speed, and realism across the entire frequency range. Built in precision-milled aluminum shells with dual detachable MMCX cables (3.5 mm & 4.4 mm), ZERO2 redefine portable hi-fi performance.

✅ Key Features

• ✅ Quad-Brid driver configuration for ultra-wide, balanced sound
• ✅ 1× planar micro driver + 4× custom balanced armatures + 1× 10 mm dynamic with piezo transducer
• ✅ Dual detachable MMCX cables — 3.5 mm unbalanced and 4.4 mm balanced included
• ✅ Precision aluminum housings minimize resonance and distortion
• ✅ Extended 20 Hz – 30 kHz frequency response with natural tonality
• ✅ Easy to drive — 5 Ω impedance and 96 dB SPL sensitivity
• ✅ Includes full tip set and premium carry case

📦 What’s in the Box

• 🎧 2 × AK ZERO2 earphone housings
• 🔌 1 × 3.5 mm headphone cable (MMCX)
• 🔌 1 × 4.4 mm balanced headphone cable (MMCX)
• 🧩 5 × silicone ear tips (S, M, L, XL, XXL)
• 🧩 1 × pair Comply foam ear tips
• 👜 1 × carry case
• 📖 1 × Quick Start Guide

🔄 Compatibility

✔ Compatible with any 3.5 mm or 4.4 mm headphone output (DAPs, DAC/amps, portable players).
✔ MMCX connectors allow balanced cable upgrades and easy maintenance.
✔ Works perfectly with Astell&Kern DAPs for full sonic synergy.
✔ Tip assortment ensures comfortable fit and precise acoustic seal.

📦✈️ Shipping & Returns

• 📦 Insured EU & worldwide delivery
• 🔄 14-day return policy
• 🛡️ 2-year EU warranty

📝 Reviews

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⚠️ Warning

⚠️ Warning: Listening to the AK ZERO2 may cause you to rediscover your entire playlist, crave balanced cables, and start measuring soundstage width in millimeters.