The XSW 1-825 Dual-Vocal Set with Two 825 Handheld Microphones from Sennheiser includes an EM-XSW 1 dual stationary receiver with internal antennas two SKM XSW transmitters with mute switches two MZQ 1 microphone clips an NT 12-5 CW power supply and four AA batteries. The analog UHF dual-channel wireless system can be used in several applications for singers presenters DJs churches and schools. Designed with ease of use in mind the XSW 1 Dual-Vocal Set features automatic frequency management and synchronization via remote channel for easy setup. In addition it is equipped with up to 10 compatible channels. The EM-XSW 1 Dual-Channel Stationary Receiver with Internal Antennas from Sennheiser is a 2-channel analog UHF wireless receiver. It can be used for singers and presenters when paired with an XS wireless 1 series handheld transmitter and microphone capsule (sold separately). The dual-channel receiver is designed with ease of use in mind and is well suited for DJ church and school applications. Each receiver channel is built with antenna-switching diversity reception and features automatic frequency management and synchronization via remote channel. Up to 10 compatible channels are available. Additionally an AC power adapter is also included. This bundle comes with two pieces of F Tripod Microphone Stand with Fixed Boom features durable steel construction. The 31.5 boom arm allows you to angle the mic however you need it. An ergonomic twist-action clutch helps adjust the height of the stand while the reinforced tripod base and nonslip feet keep it firmly and sturdily in place. The Auray MS-5230F mic stand collapses for easy transport. Plus a two pieces of XLR-XLR cable. Box Contains Sennheiser XSW 1-825 DUAL-A Channel Wireless Microphone System NT 12-5 CW Power Supply 2 x XLR-XLR Cable 2 x Sennheiser SKM 825-XSW-A Handheld Transmitter with e825 Capsule (A: 548 to 572 MHz) 2 x Sennheiser MZQ1 Microphone Clamp for SKM100 300 and 500 4 x AA Batteries 2-Year Warranty (2) Tripod Microphone Stand with Fixed Boom 2 x Cable-Guide Clip 2-Year Warranty