False. The H1N has a 16-bit/24-bit ADC (Analog to Digital Converter). 32-bit float requires new hardware.
Eliminating occasional noise heard during WAV file playback. Update Recommendations If your H1n has v1.21 zoom h1n firmware 121
After updating to Zoom H1N Firmware 1.21, perform a full factory reset (Menu → SYSTEM → FACTORY RESET) to clear any outdated user preferences that might conflict with the new firmware. zoom h1n firmware 121