Thanks to the legendary SM58® Cardioid Dynamic Microphone capsule on the top of the SLXD2 handheld wireless transmitter, the SLXD24 / 58 provides transparent digital audio and a stable RF signal for lecture halls and live performances. Component adapter: Yes Battery operation: Yes Battery type: AA Capsule type: Dynamic Color: Black Country of origin: China External antenna: Yes Frequency band: 518 – 562 MHz Frequency range: 50 Hz – 16 kHz Frequency: H56 MP3 / line input : No Package Includes: AA Batteries Rackmountable: Yes Receiver: SLXD4 Switch: Yes System: UHF System: Digital Transmitter / Microphone: SLXD2 Type: Wireless System Directional Characteristics: Cardioid Number of Channels: 32 Power: Adapter or Battery Package Includes: Adapter Package contains: Antenna Package contains: BNC Cable Package contains: Microphone terminal Package contains:Receiver Package contains: Storage bag Package contains: Transmitter.