Multichannel Wireless Audio Transmitter for Making Surround Speakers Wireless - Model 800, Transmits 4 Audio Channels, 300' Range, Connects to Any Audio Source, Better-Than Bluetooth Digital Wireless
Brand: Amphony

ATTENTION: This product requires Model 880 or Model 800 wireless receivers to operate which are sold separately.
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.
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.
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.
The wireless transmission employs advanced adaptive frequency hopping. It avoids frequency channels occupied by other wireless devices and is highly robust against wireless interference.
By using multiple transmitters you can create several audio zones in your house.
Specifications
Transmitter:

Audio transmission: Adaptive Frequency-hopping spread spectrum
Transmitter frequency: 2.4 GHz
Maximum number of wireless devices per transmitter: 4
Transmitter operating range: max. 300 ft. line of sight, max. 60 ft. through walls
Compatible Wireless Receivers: Model 800 and 880 (sold separately)
Audio inputs: 4 x speaker-level input, 2 x stereo line-level input
Signal-to-noise ratio: 91 dB (Transmitter / Receiver, A-weighted)
Frequency response: 2 Hz - 20 kHz
Total harmonic distortion: typ. -90 dB / 0.003 %
Dimensions: 6.1" x 4.5" x 2.6" (155 mm x 115 mm x 65 mm)

In the box

1 transmitter
1 AC adapter
4 short speaker cables
2 RCA audio cables

ATTENTION: This product requires Model 880 or Model 800 wireless receivers to operate which are sold separately!
MAKES ANY SPEAKERS WIRELESS: Install surround speakers and subwoofers without long ugly speaker wires - stream up to 4 audio channels to wireless receivers - the wireless transmitter connects to any analog audio output including amplified speaker outputs - ideal for connecting to surround sound receivers - works with any-brand home theater receiver - also great for installing speakers all over your house without drilling holes into your walls
ADVANCED WIRELESS TECHNOLOGY: Four audio channels are transmitted in a digital format - free of static and interference - the wireless signal can travel through walls and ceilings to other rooms of your house - avoids interference by using adaptive frequency hopping - signal is not affected by wireless networks or cordless phones
FLEXIBLE: Stream to up to 4 wireless receivers (sold separately) - purchase either amplified receivers for connecting directly to passive speakers or non-amplified receivers for connecting to a subwoofer - get just as many wireless receivers as you need
CONNECTIVITY: Connects to speaker-level and line-level audio outputs - works with any brand home theater/AV receiver