Features 1. Digital audio with 64K sampling rate and 16-bit resolution. 2. Low power consumption. 3. GFSK digital modulation/demodulation. 4. 20Hz ~20 KHz audio frequency response. 5. 90dB audio dynamic range. 6. Power-on function to prevent pop noise. 7. Avoiding reception errors by employing forward error correction (FEC). 8. Operating at 2.4GHz ISM band with 20 selectable channels. 9. -85dBm receiving sensitivity, 45dB channel rejection and Application distance up to 180 meters (L. O. S. ) with perfect reception. C. Applications 1. Car Audio /Car Speaker 2. Home theater rear speakers 3. Wireless speakers 4. Sound Card, MP3, CD player and DVD player 5. Headphone 6. Ordinary sound box