Sennheiser XSW 1-835 Dual-Vocal Set with Two 835 Handheld Microphones (A: 548 to 572 MHz)

Sennheiser XSW 1-835 Dual-Vocal Set with Two 835 Handheld Microphones (A: 548 to 572 MHz). The XSW 1-835 Dual-Vocal Set with Two 835 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.
Sennheiser EM-XSW 1 Dual-Channel Stationary Receiver with Internal Antennas (A: 548 to 572 MHz)

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.
Antenna-switching 2-channel diversity reception
Integrated antennas
Automatic frequency management and synchronization via remote channel for easy setup
Selectable UHF frequencies within a large bandwidth
Up to 10 compatible channels