Digital Voice Systems Amp128, Amp256 manual Technical Specifications

Technical Specifications

Model Name	Amp128/256
MP3 Decoding Format	Constant or Variable bit rate (8~320kbps),
WMA Decoding Format	Sampling frequencies 8-48Khz
	Constant bit rate (5~192kbps),
Internal Memory	Sampling frequencies 8-48Khz
	128/256MB
Internal Flash Support	SD/MMC (16/32/64/128/256/512MB)
LCD	128x64 dot-matrix LCD display with LED backlight
Voice Record Format	WAV format, IMA-ADPCM at 4-bit, mono,
FM Record Format	8K sampling rate
	ADPCM format
FM Frequency Range	87.5~108.0 MHz
Interface	USB 2.0 High Speed (mini-USB connector)
Maximum Output	12mW + 12mW @16ohm headphone
S/N Ratio	>90 dB
THD	0.01~0.5%
Frequency Range	20Hz~20KHz
Battery	1 x AAA Type Alkaline/NiMH Battery
Maximum Playing Time	16~18 Hrs on one alkaline battery
Dimensions	(MP3 file played at 128kbps)
	1.9”(W) x 2.8”(H) x 0.9”(D) (48x70x22mm)

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