| Recording Format | WMA (Windows Media Audio) |
| Recording Media | Built-in 256MB flash memory |
| Recording Time | ST XQ mode: 4 hours 10 minutes ST HQ mode: 8 hours 30 minutes HQ mode: 17 hours 00 minutes SP mode: 33 hours 30 minutes LP mode: 66 hours 40 minutes |
| Card Format | N/A |
| Input Level | -70 dBv |
| PC Interface | USB |
| LCD | 26 mm x 25 mm |
| LED | Two colors (red = record; green = playback) |
| Folders Messages | 5/200 per folder |
| Sampling Frequency | STXQ/STHQ/HQ: 44.1 kHz /SP: 22 kHz /LP: 8kHz |
| Overall Frequency Response | STXQ: 50-19000Hz/ STHQ: 50-16000Hz/ HQ: 50-13000Hz/ SP:100-8000Hz/ LP:100-3000Hz |
| LP Mode | Yes |
| Voice Activation | Available, Switchable On/Off |
| Demographic Data Input | Yes |
| Practical Maximum output | 250 mW |
| Write Protection | Yes |
| Speaker | 23 mm diameter round dynamic speaker |
| Microphone Jack | 3.5 mm mini-jack, impedance 680 ohms |
| Earphone Jack | 3.5 mm mini-jack, impedance 8 ohms or more |
| Power Supply | Rated Voltage: 3V DC Batteries: Two AAA External Power Supply: AC Adapter |
| Batteries | Two AAA batteries |
| External Power Supply | Available |
| Battery Life | Approx. 32 hours (using alkaline dry cell battery) |
| Size | 4.37” x 1.48” x .63” (111 x 37.5 x 16 mm) with bundled ME53S microphone, excluding protrusions |
| Weight | 2.81 oz (80 grams), including bundled ME53S microphone and alkaline batteries |