With device firmware from version 2.0, SDHC cards up to 32GB in size are supported, storing 16 hours at the highest-quality setting (uncompressed PCM WAV, 24 bit, 96 kHz, stereo).
Starting with firmware version 2.0, SDHC cards of up to 32GB capacity are recognized by the device and can store 16 hours of audio in its highest quality mode (uncompressed PCM WAV, 24 bits, 96 kHz, stereo).