Sennheiser XSW IEM SR (A) Transmitter 100811981 with a heat switch on

with a heat switch on each pair to adjust the voltage on the 12AX7 tube - lower voltage settings starve the tube for a more pronounced distortion effect

Precision-tuned enclosure delivers punchy bass and enhanced high frequency detail for an ultra-wide soundstage

sound pressure level: 130 dB

avoiding any incorrect setup operation

Perfect for both portable and installed applications

Sennheiser XSW IEM SR (A) Transmitter 100811981 with a heat switch onSennheiser XSW IEM SR (A) XS Wireless IEM Transmitter Also available as part of the XSW IEM SET in ear personal wireless monitoring system, the Sennheiser XSW IEM SR is available here as an individual componenta compact stereo wireless transmitter used in conjunction with separately available XSW IEM EK stereo receivers. The transmitter features a half rack 1 RU rugged metal housing designed for extended use in small clubs. With its detachable