The SLXD2/B87A, featuring the Beta®87A interchangeable microphone capsule is the choice for confident speech presentation and vocal performance - from lecture halls to live entertainment. SLX-D® Digital Wireless delivers transparent, 24-bit digital audio and rock solid RF performance with easy setup and rechargeability options in a suite of versatile wireless system configurations. Featuring industry-leading digital wireless technology and design, the SLXD2 easily syncs with a wireless receiver. A variety of interchangeable vocal microphone choices guarantees the right solution for a wide range of applications, from day-long presentations to nighttime performances.