Available Transmitter Form factors: Bodypack SLX1 Automatic Transmitter Setup Backlit LCD with timeout feature Frequency and power lockout 3-segment battery fuel gauge 2 AA batteries (included) provide 8 hours of continuous use SLX4L Specifications Weight: 816 g Height x Width x Depth: 42.0 × 197.0 × 134.0 mm Transmission: Analog Type of Power Supply: External Receiver Housings: Metal Active Antenna Possible: Optional with UABiasT Bias via BNC: No High Density Mode: No Interference Detection: No Remote Control: No Maximum number of compatible systems per frequency band: 14 DANTE Audio Network Interface: No Scan Features: Channel Scan Sync Features: IR Sync Detachable Antennas: Yes Logic: Yes Cascade: No Rack Hardware: Included Rack mounts brackets Receiver Displays: Backlit LCD Receiver type: Single Included antenna: External 1/4-wave Battery Status: Leveled battery life indication Line Mic Switch: No Image Rejection: 70 dB, typical RF Sensitivity: -105 dBm, for 12dB SINAD, typical Phantom Power Protection: No Antenna Input Impedance: 50 Ω SLX1 Specifications Weight: 81 g Height x Width x Depth: 108.0 × 64.0 × 19.0 mm Battery life alkaline: 8 h Form Factor: Bodypack Transmitter housings: Metal Audio Mute: Yes Detachable Antennas: No Switchable RF power: No Batteries: AA Battery Status: Leveled battery life indication Connectors: TQG Frequency Diversity: No Functionality: Transmitter Gain adjustment range: 30 dB High Density Mode: No Included antenna: 1/4 wave Input impedance: 1000 kΩ     Warranty 2 years.