Features: 1. Adds wireless audio connectivity to any active loudspeaker<br> 2. Connect your audio source to The transmitter and it sends the signal to your receivers<br> 3. No compromise in audio quality;<br> 4. Perfect for multi-room venues, weddings, mobile DJ's, tricky floor monitor placement and mobile A/V<br> Matters needing attention:<br> Ultra-high frequency, no delay;<br> Mono, with a focus on midrange sound;<br> Listening to music is not a suitable purpose;<br> TRANSMITTER<br> 1:Frequency Range: 501-599.5MHz<br> 2:Number of Channel: 16(1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,0)<br> 3:Oscillation mode: chip frequency locking<br> 4:Frequency Stability:±10ppm<br> 5:RF power: 10dBm<br> 6:Frequency Response:40~18000Hz<br> 7:Total Harmonic Distortion: ≤0.5%<br> 8:Power supply: Built in lithium battery,600mAh/3.7V<br> Receiver<br> 1:Frequency Range :501-599.5MHz<br> 2:Number of Channel: 16(1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,0)<br> 3:Oscillation mode: chip frequency locking<br> 4:Frequency Stability: ±10ppm<br> 5:Receiving Sensitivity: -95~-71dBm<br> 6:Frequency Response :40~18000Hz<br> 7:Total Harmonic Distortion :≤0.5%<br> Material: Plastic<br> colour: Black<br> Package Contents:<br> 1 x TRANSMITTER<br> 1 x Receiver<br> 1 set x parts<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.