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Rolls Hr74 Mp3 Card Reader...

eBay Rolls Hr74 Mp3 Card Reader And Player
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Rolls HR74 MP3 Card Reader and Player The HR74 MP3 Card Reader and Player from Rolls was designed for installations or anywhere a durable MP3 player is needed. The MP3 format, SD card slot, and USB slot make the HR74 an effective tool for audio MP3 playback. It can be used in churches, schools, restaurants, or anywhere MP3 playback is required. Playing format : MP3 and WMA Accepts from 128MB to 16GB USB flash drive or SD card LCD display 3 digits, from 001 to 999 tracks Output Level - +/-2 dB @ 1 kHz Output Channel Difference - Less than 2 dB Frequency Response:       1 kHz= 0 dB       20 Hz= 0 dB +/- 2 dB       100 Hz= 0 dB +/- 2 dB       10 kHz= 0 dB +/- 2 dB       20 kHz= 0 dB +/- 2 dB Separation - More than 60 dB Signal to Noise Ratio - More than 60 dB THD - Less than 0.3% Power... Less

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