TASCAM DR-40X 15SpecificationsRatingsRecording mediaSD card (64 MB - 2 GB)SDHC card (4 GB - 32 GB)SDXC card (48 GB - 128GB)Recording/playback formatsBWF: 44.1/48/96 kHz, 16/24 bitWAV: 44.1/48/96 kHz, 16/24 bitMP3: 44.1/48 kHz, 32/64/96/128/192/256/320 kbpsNumber of channels4 channels (stereo × 2)Inputs and outputsEXT MIC/LINE IN jacks (XLR connectors can provide phantom power)ConnectorXLR-3-31 (1: GND, 2: HOT, 3: COLD) (support phantom power)6.3mm (1/4") standard TRS jacks (Tip: HOT, Ring: COLD, Sleeve: GND)/LINE OUT jackConnector: 1/8” (3.5mm) stereo mini jackBuilt-in speaker0.3W (mono)Control input/output ratingsUSB portConnector type: Micro-BFormat: USB 2.0 HIGH SPEED mass storage classREMOTE jackConnector: 2.5mm TRS jackAudio performanceFrequency response20 Hz - 20 kHz +1/−3 dB (EXT IN to LINE OUT, 44.1 kHz sampling frequency, JEITA*)20 Hz - 22 kHz +1/−3 dB (EXT IN to LINE OUT, 48 kHz sampling frequency, JEITA*)20 Hz - 40 kHz +1/−3 dB (EXT IN to LINE OUT, 96 kHz sampling frequency, JEITA*)Total harmonic distortion0.05% or less (EXT IN to LINE OUT, 44.1/48/96 kHz sampling frequency, JEITA*)S/N ratio92 dB or higher (EXT IN to LINE OUT, 44.1/48/96 kHz sampling frequency, JEITA*)Note) JEITA: Conforming to JEITA CP-2150