Fonix One.

ESP32-powered touchscreen music player with Bluetooth streaming, offline playback from microSD and a 5-band EQ.

FROM CIRCUIT TO SOUND.Move to inspect · open the device

THE PROJECT / Preorder Soon

Fonix One is a pocket-sized, ESP32-powered touchscreen music player. It streams over Bluetooth 4.2, plays seven audio formats offline from microSD and runs for 16 hours or more on a charge.

16+ hours of playback, in a 3D-printed case.

Visit fonix.one↗

BLUETOOTH 4.2: A2DP & AVRCP
OFFLINE PLAYBACK: microSD up to 2 TB
5-BAND EQ: Custom presets
COMPACT & PORTABLE: 3D-printed case
AFTER KICKSTARTER: Firmware and print files published

Built around the details.

CAPABILITIES / 08

BLUETOOTH 4.2 AUDIO

Streams audio over A2DP.

2.8" CAPACITIVE TOUCHSCREEN

Shows album art and track metadata.

OFFLINE PLAYBACK VIA MICROSD

Cards up to 2 TB, with exFAT support for very large libraries.

SEVEN AUDIO FORMATS

MP3, FLAC, AAC, M4A, MP4, WAV and Opus.

5-BAND EQUALIZER

Presets or your own curve, on fixed-point biquad filters.

LONG BATTERY LIFE

16+ hours of playback. The screen sleeps when it is not needed and a tap wakes it. USB-C charging.

ESP32 POWERED

Dual-core. One core runs nothing but audio, so playback stays smooth.

HACKABLE & MAKER-FRIENDLY

The 3D print files and the firmware go public after the Kickstarter launch.

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