54 TASCAM DR-680Recording media and formatsRecording mediaSD card (2 GB) Class 4 or fasterSDHC card (4 GB – 32 GB) Class 4 or fasterFile systemFAT16 (2 GB Cards)FAT32 (Cards larger than 4 GB)Supported recording and playback formatsBWF: 16/24-bit, 44.1/48/96/192 kHzWAV: 16/24-bit, 44.1/48/96/192 kHzMP3: 96/128/192/320 kbps, 44.1/48 kHzNumber of tracks6 tracks and a stereo mix trackBWF: 44.1/48/96 kHzWAV: 44.1/48/96 kHzMP3: 44.1/48 kHz2 tracksBWF: 192 kHzWAV: 192 kHzFile recording modesBWF: monaural, stereo, 6-channelWAV: monaural, stereo, 6-channelMP3: monaural, stereoInput and outputAnalog audio input and outputMIC/LINE INPUTSConnectors: XLR-3-31/standard 6.3-mm (1/4”)TRS(1: GND 2: HOT 3: COLD/Tip: HOT Ring: COLDSleeve: GND)INPUT switch set to MICInput impedance: 2.4 kΩNominal input level:GAIN LOW: –20 dBu (0.11 V)GAIN HIGH: –44 dBu (6.91 mV)Maximum input level:GAIN LOW: +3 dBu (1.55 V)GAIN HIGH: –21 dBu (0.098 V)Minimum input level:GAIN LOW: –51.5 dBu (2.0 mV)GAIN HIGH: –75.5 dBu (0.1 mV)INPUT switch set to LINEInput impedance: 10 kΩNominal input level: +4 dBu (1.23 V)Maximum input level: +24 Bu (12.3 V)Minimum input level: –27.5 dBu (0.05 V)LINE OUTPUTS jacksConnectors: standard RCA pin jacksOutput impedance: 200ΩNominal output level: –10 dBV (0.3 V)Maximum output level: +6 dBV (2.0 V)PHONES jackConnector: standard 6.3-mm (1/4”) stereo jackMaximum output: 50 mW + 50 mW (into 32Ω load)Built-in speaker500 mW (monaural)Digital audio input and outputDIGITAL/SYNC IN jackConnector: RCA pin jackFormat: IEC60958-3 (S/PDIF) or AES3-2003/IEC60958-4 (AES/EBU) automatically determinedDIGITAL/SYNC OUT jackConnector: RCA pin jackFormat: IEC60958-3 (S/PDIF) or AES3-2003/IEC60958-4 (AES/EBU) set by userControl input and outputUSB connectionUSB port connector: Mini-B typeFormat: USB2.0 HIGH SPEED (480 Mbps)12 – Specifications