-Power Source: Supplied from an external 24 V DC/400 mA power supply, Removable terminal block (2 pins) or from an optional AD-246 AC adapter
-Power Consumption: 10 W
-Wave Format: 44.1 kHz/32 kHz sampling rate, 16 bits PCM, WAV file (monaural)
-Sound Source Rewriting Method: LAN data transfer/Analog recording/, Direct write to memory card using the setting software
-Audio Input MIC: -55 dB (*1) (microphone input volume control in maximum position), 600 Ω, unbalanced, φ6.3 phone jack (2P), LINE (rear): -20 dB (*1) (line input volume control in maximum position), 10 kΩ, unbalanced, Removable terminal block (12 pins), LINE (front): -29 dB (*1) (line input volume control in maximum position), 10 kΩ, unbalanced, RCA pin jack
-Audio Output: LINE 1, 2: 0 dB (*1), 600 Ω, unbalanced, Removable terminal block (12 pins), Headphone: 0 dB (*1), 100 Ω, monaural, φ3.5 mini jack (3P)
-Frequency Response: 20 Hz – 20 kHz ±3 dB (1 kHz), 50 Hz – 14 kHz ±3 dB (IT-450 mounted, 1 kHz)
-Distortion: 0.3 % or less (1 kHz, rated output)
-Storage Media: Compatible with CompactFlash(TM) specification Memory card
-Number of Mountable Memory cards: 2 (1 Memory card containing preset sound sources is supplied.), Backup operation available when 2 cards are mounted.
-Number of Recordable Phrases: 32768
-Maximum Recording Time: About 3 hours (at 44.1 kHz sampling rate) or about 4 hours (at 32 kHz sampling rate)
-Audio Output Method: Single channel monaural
-Number of Playback Program: Direct mode: 16 programs, Binary mode: 256 programs, 1 emergency message takes precedence over the above programs and is played back., R.E.M. (Recording Endless Message) playback (*2) can be performed.
-Control Input: Activations 1 – 16, playback, stop, recording, erasure/clear, emergency playback, emergency recording, emergency stop, No-voltage make contact input, pulse make length: 50 ms or more, open voltage: 30, V DC, short-circuit current: 10 mA, Removable terminal block (12 pins, 16 pins)
-Control Output: Shorting outputs 1 – 8 (busy), Error: contact capacity: 30 V DC, 0.5 A, Removable terminal block (8 pins)