LD Systems U506 BPL 2, Wireless Microphone System, With 2x bodypack and 2x lavalier microphone, Total weight: 5.259 kg, Includes 2x AA batteries, fastening clip, foam windscreen, 2x antenna, audio cable and power adapter@+*Features of the U506 BP transmitter:*@+@+, Radio frequency range: 655 - 679 MHz, 96 Channels (8 groups with 12 channels each), 3-Pin mini XLR inputs, Frequency response: 30 - 16,000 Hz, OLED display, Up to 10 hours of operation, Transmitter operation with 2x AA batteries, Dimensions (W x H x D): 65 x 86 x 23 mm, Weight: 0.09 kg@+*Features of the U506 R receiver:*@+@+, 2 Antenna inputs, BNC antenna connection, Audio output per channel + sum output: balanced XLR, unbalanced 6.3 mm jack, Controls: digital encoder, volume, Dimensions (W x H x D): 212 x 44 x 159 mm, Weight: 0.85 kg@+*Features of the LDWS100ML Lavalier Microphone:*@+@+, Characteristic: Cardioid, Frequency response 20 - 20,000 Hz, Impedance: 680 ohms, Phantom power 5 V, Microphone connector: 3-pin mini XLR female, Weight: 0.026 kg