ATTENTION: This product requires Model 880 or Model 800 wireless receivers to operate which are sold separately.<br><br>Make your existing speakers wireless with Amphony's multi-channel audio transmitter. Eliminate messy speaker cables in your room. This transmitters streams up to 4 audio channels to Model 800 and Model 880 wireless receivers (sold separately) which connect to subwoofers or passive speakers.<br><br>The transmitter sends audio up to 300 feet (60 feet indoors) even through walls and ceilings. You'll get crystal-clear sound quality with better-than-Bluetooth digital wireless audio.<br><br>Purchase two Model 880 and one Model 800 wireless receivers for making 2 rear speakers and a subwoofer wireless or instead get four Model 880 wireless receivers to make two rear and two side speakers wireless. You can add wireless receivers as you need them.<br><br>The wireless transmission employs advanced adaptive frequency hopping. It avoids frequency channels occupied by other wireless devices and is highly robust against wireless interference.<br><br>By using multiple transmitters you can create several audio zones in your house.<br><br><b>Specifications<br>Transmitter:</b><ul><li> Audio transmission: Adaptive Frequency-hopping spread spectrum</li><li> Transmitter frequency: 2.4 GHz</li><li> Maximum number of wireless devices per transmitter: 4</li><li> Transmitter operating range: max. 300 ft. line of sight, max. 60 ft. through walls</li><li> Compatible Wireless Receivers: Model 800 and 880 (sold separately)</li><li> Audio inputs: 4 x speaker-level input, 2 x stereo line-level input</li><li> Signal-to-noise ratio: 91 dB (Transmitter / Receiver, A-weighted)</li><li> Frequency response: 2 Hz - 20 kHz</li><li> Total harmonic distortion: typ. -90 dB / 0.003 %</li><li> Dimensions: 6.1" x 4.5" x 2.6" (155 mm x 115 mm x 65 mm)</li></ul><br><b>In the box</b><ul><li> 1 transmitter</li><li> 1 AC adapter</li><li> 4 short speaker cables</li><li> 2 RCA audio cables</li></ul>