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 industryleading 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 conference to nighttime performances. Features Transparent 24-bit digital audio Extended 20 Hz to 20 kHz frequency range (microphone dependent) 120 dB dynamic range Digital predictive switching diversity 44 MHz tuning bandwidth (region dependent) 32 available channels per frequency band (region dependent) Up to 10 compatible systems per 6MHz TV band; 12 systems per 8 MHz bandv Easy pairing of transmitters and receivers over scan and IR sync Up to 8 hours from 2 AA batteries or optional Shure SB903 rechargeable battery Interchangeable microphone capsules Rugged metal construction Specifications Battery Type: Rechargeable Li-Ion or 1.5 V AA batteries Dimensions (Dia. × L) 1.46 × 6.93 in (37.1 × 176 mm) Weight: 5.2 oz. (147 g) Housing: Aluminum Frequency baseband version J54 (562-606MHz) Audio Input Configuration: Unbalanced Maximum Input Level: 8.2 dBV (2.57 Vrms, 7.27 Vpp) | Note: Dependent on Microphone Type RF Output Antenna Type: Integrated Single-Band Helical Occupied Bandwidth: <200 kHz Modulation Type: Shure Propietary Digital Power: 1 mW/10 mW (Varies by region. See Frequency Range and Output Power Table.) Microphone SM58 - Industry Standard Cardoid Dynamic Vocal Microphone