This USB reader/recorder is an additional board designed to be installed on all L-PAD RCF mixers supplied with the card slot. - Flash Drive USB 2.0 (USB 1.1 is not recommended for use) - Maximum Storage: 2 TB (single file size up to 2 GB) - Play back formats: MP3, WMA, WAV, AAC - Frequency response: 20Hz - 20kHz (+/- 1 dB, THD < 0,1 %) - Registration format: MP3 - Bit Rate: 192 kbps - Maximum level input for recording: 0 dB - Frequency response: 20 Hz - 19,5 kHz (+/- 3dB, THD <1%)