Shure SLXD25-SM58 Wireless System w/SM58 Handheld Transmitter - J52 Frequency Extentions you get a more complex

you get a more complex and notched flange effect with less low end

the RH-A30’s ear pads have been newly designed

There is a center detent for flat response

but each is optimized for particular applications

Examples include percussion

Shure SLXD25-SM58 Wireless System w/SM58 Handheld Transmitter - J52 Frequency Extentions you get a more complexThe SLXD25 SM58 Portable digital wireless handheld system delivers transparent, 24 bit digital audio and rock solid RF performance for videographers, ENG and field production, film and location sound applications. Operate up to 32 compatible systems per 44 MHz band, with easy setup and optional rechargeability accessories. The SLXD2 features interchangeable microphone capsules for use with a wide selection of Shure vocal microphones. Includes SLXD2