7Hz x Crinacle Zero:2 10mm Dynamic Driver IEM | Crinacle Tuned | Enhanced Bass | Improved Cable

7Hz x Crinacle Zero:2

The 7Hz x Crinacle Zero:2 is an updated single dynamic driver in-ear monitor developed in collaboration with renowned audio reviewer Crinacle. Building on the success of the original Zero, this second-generation model features a newly engineered 10mm dual-cavity dynamic driver, refined tuning with enhanced bass response, and an upgraded silver-plated oxygen-free copper cable. Designed for listeners seeking accurate tonal balance, improved low-end impact, and outstanding value, the Zero:2 delivers a refined and engaging listening experience at an accessible price point.

Crinacle Collaboration and Refined Tuning

Tuned with direct input from Crinacle, the Zero:2 maintains the highly regarded tonal accuracy of the original while introducing a carefully measured +3dB increase in the low frequencies. This adjustment delivers deeper, more impactful bass with improved texture and extension, while the midrange remains clean, warm, and free from bleed. The result is a balanced and engaging signature that suits a wide range of genres without sacrificing clarity or naturalness.

New 10mm Dual-Cavity Dynamic Driver

At the heart of the Zero:2 is a newly developed 10mm dual-cavity dynamic driver featuring a PU+Metal composite diaphragm. This upgraded driver offers faster response, tighter bass control, and improved overall resolution compared to its predecessor. The enhanced diaphragm design allows for harder-hitting low frequencies while preserving crisp note definition and clarity across the entire frequency range from 10Hz to 20kHz.

Upgraded Silver-Plated OFC Cable

The Zero:2 comes equipped with a new high-purity silver-plated oxygen-free copper cable arranged in a coaxial structure. This improved cable enhances signal transmission, durability, and overall build quality. Featuring a detachable 0.78mm 2-pin design, it allows for easy replacement or future upgrades while ensuring reliable long-term performance.

Comfortable and Practical Design

The Zero:2 features a compact and lightweight shell designed for a secure and comfortable fit during extended listening sessions. Its small form factor makes it suitable for a wide range of ear shapes, while the detachable cable and included ear tips provide flexibility for daily use, commuting, or critical listening.

About 7Hz

7Hz is a recognized manufacturer of high-performance in-ear monitors known for delivering strong price-to-performance value. The brand has gained international attention through popular models such as the Salnotes Zero, Dioko, and Timeless, establishing a reputation for innovative driver designs, careful tuning, and accessible high-fidelity audio products.

Technical Specifications

Driver: 10mm dual-cavity dynamic driver with PU+Metal composite diaphragm
Frequency Response: 10Hz – 20kHz
Impedance: 32 ohms
THD: <1% at 1kHz
Cable: Silver-plated oxygen-free copper, coaxial structure, detachable 0.78mm 2-pin
Connector Options: 3.5mm (standard)
Shell Fit: Small
Tuning Profile: Mild V-shaped / balanced with enhanced bass

Q&A

What is the main improvement in the Zero:2 compared to the original Zero?
The Zero:2 features a new 10mm dual-cavity dynamic driver and a refined tuning that adds approximately +3dB of bass while preserving clean mids and overall tonal balance.

Who collaborated on the tuning of the Zero:2?
The Zero:2 was co-tuned with Crinacle, a well-known audio reviewer and frequency response specialist.

What type of driver does the Zero:2 use?
It uses a single 10mm dual-cavity dynamic driver with a PU+Metal composite diaphragm.

Is the cable detachable?
Yes, the Zero:2 comes with a detachable silver-plated oxygen-free copper cable using a 0.78mm 2-pin connector.

What is the impedance of the Zero:2?
The impedance is 32 ohms, making it easy to drive from most portable sources.