Sone304 New

In HVAC and home ventilation industries, a is a linear unit of measurement used to quantify how loud a fan or ventilation system sounds to the average human ear.

What is the difference between 304 and 409 stainless steel? · Help Center sone304 new

| Feature | sone304 New | Sony IER-M9 | Moondrop Blessing 3 | | :--- | :--- | :--- | :--- | | Price | $299 (MSRP) | $999 | $329 | | Drivers | 1 DD + 2 BA | 5 BA | 2 DD + 2 BA | | Cable | Modular (3.5/4.4/USB-C) | Standard 3.5mm | 2.5mm/3.5mm/4.4mm optional | | App Support | Full EQ & Hearing Test | None | None | | Bass Extension | 8 Hz | 10 Hz | 15 Hz | In HVAC and home ventilation industries, a is