SD-20M SPECIFICATIONS
| Recording media | SD card (64MB - 2GB), SDHC card (4GB - 32GB), SDXC card (48GB - 128GB) |
| Recording and playback file format | |
| WAV | |
| Sampling frequency | 44.1k/48k/96k Hz |
| Quantization bit rate | 16/24 bit |
| MP3 | |
| Sampling frequency | 44.1k/48k Hz |
| Playback bit rate | 64k - 320k bps |
| Number of channels | 4-channel (2 Stereo / 4 Monaural) |
| Analog audio inputs | |
| BALANCED | |
| Connector | XLR-3-31 (1:GND, 2:HOT, 3:COLD) 6.3mm(1/4")TRS standard jack |
| LINE IN | |
| Input Impendance | 10k ohms |
| Standard input level | +4dBu |
| Minimum input level | +20dBu |
| Maximum Input Level | -6dBu or more |
| MIC IN | |
| Input Impendance | 2.7k ohms |
| Minimum input level | +0dBu (GAIN at ”Low”) |
| Maximum Input Level | -67dBu or more (GAIN at ”High”) |
| UNBALANCED | |
| Connector | RCA pin jacks |
| Input Impendance | 22k ohms |
| Standard input level | -10dBV |
| Minimum input level | +6dBV |
| Maximum Input Level | -20dBV or more |
| Analog audio output | |
| UNBALANCED | |
| Connector | RCA pin jacks |
| Output impedance | 200 ohms |
| Standard output level | -10dBV |
| REMOTE | |
| Connector | 2.5mm TRS jack |
| PHONES | |
| Connector | 6.3mm(1/4")stereo phone jack |
| Maximum output level | 20mW + 20mW (32ohms load, THD+N:less than 0.1%) |
| Power | Dedicated AC adapter (PS-P1220E, included), 4 AA batteries |
| Power consumption | 5W |
| Dimensions | 483(W)×45(H)×299.6(D)mm 19(W)×17.4 (H)×11.8(D)inch |
| Weight | 2.7 kg / 6 bl(Without battery) |
| Operating temperature | 5 to 35˚C |
| Accessories | AC adapter, Rack-mount screw kit, Warranty card, Instruction manual |
| Audio Performance | |
| Frequency response | 20 - 20kHz +0.5dB/-3dB (JEITA) |
| THD | 0.01% or less |
| S/N ratio | 100dB or more (JEITA) |
| Dynamic range | 100dB or more (JEITA) |
| Interchannel crosstalk | 100dB or more (JEITA) |
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