7Hz 七赫兹

Name: Legato Pro ships as a $149 planar magnetic IEM.
Start: 2026-04

Shenzhen Founded 2019

7Hz is a Shenzhen-based Chinese IEM and headphone brand known for IEMs, Salnotes Zero, and Legato.

Known For

IEMsSalnotes ZeroLegatoEternalbudget tuning

Source-based explainers and comparisons featuring 7Hz.

Recent news, releases, and milestones from this brand.

2026-04Legato Pro ships as a $149 planar magnetic IEM.
2025-09x Crinacle Zero: 2 (refresh) lands with an improved stock cable.
2025-04x Gizaudio Timeless II debuts as a co-tuned planar magnetic IEM.
2025-01Sonus launches as a tribrid IEM in the upper mid-tier.
2024-10Legato launches as a single-DD IEM with a beryllium-coated driver.
2024-04x Crinacle Salnotes Zero 2 ships as a co-tuned budget single-DD IEM.
20247Hz releases a TWS earbud that applies the brand's tuning style to a wireless form factor.
20237Hz x Crinacle collab IEMs ship to wide enthusiast demand.
20227Hz Legato and Sonus extend the brand into higher price tiers.
20217Hz Timeless becomes a popular planar-magnetic IEM at a budget price.
20207Hz Salnotes Zero launches at sub-20 USD and is widely praised by reviewers.
2019Founded in Shenzhen with a focus on budget and mid-tier IEMs.