B-Stock, Sennheiser XSW IEM Set B-Band, XS Wireless UHF In-Ear System; frequency range 572- 596 MHz; transmit power 30 mW; frequency range 45 Hz - 15,000 Hz; switching bandwidth up to 24 MHz; transmitter (XSW IEM SR) and bodypack receiver (XSW IEM...
Thomann Italia