DUAL OUTPUT JACK: The receiver base features a balanced XLR output jack to hook up your sound mixer / stereo or speaker and an AUX 1/4' phone plug for other external devices. It also has dual independent antennas and RF/AF signal LED indicator light Independent mic volume control: each dynamic or Lav mic features its own volume control so you can balance the vocals as desired for a karaoke experience that both kids and adults will enjoy. Perfect for professional engagement, conference, DJ party Whats in the box: The package includes a receiver, clip lavalier lapel, handheld and headset mic, transmitter, 1/4 audio cable, and 4 AA Battery. The device can be used outdoor and indoor like a school classroom, church or at home for personal use WORRY-FREE SHOPPING: With the Pyle PDWM2115 we are confident of the quality of our product, therefore, we offer a 30 day money back guarantee no questions asked.