7Hz 七赫兹

Milestones

• 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.