Saramonic UHF Wireless Receiver and Two-Channel Audio Mixer SP-RX9 Record two wireless or wired microphones into your iOS/Android mobile device, Mac/Windows computer, or DSLR/mirrorless camera with the Saramonic SP-RX9, a UwMic9 Series dual-channel UHF wireless receiver/mixer designed for mobile journalism, video production, live streaming, and vlogging. With 96 selectable channels across the 514 to 596 MHz frequency band, auto-scan, and infrared syncing, the SP-RX9 provides reliable wireless signal reception up to 330' away from your transmitters. For Mobile Journalism & Video Production Supports Two Wireless or Wired Mics Easy Setup via Auto-Scan & Infrared Sync Provides Phantom & Plug-In Power 3.5mm Main & Headphone Outputs