BOX CONTENTS: 4-Channel UHF wireless receiver, 2 Antennas, 4 UHF wireless handheld microphones, Power adapter, 1/4 Audio cable, Users manual, 8 AA batteries for long hour operation. BEYOND-EXPECTATION WIRELESS PERFORMANCE: 4-channel wireless mic set has fixed frequency design in 541.9MHz, 546.3MHz, 561.6MHz, and 568.65MHz, providing ultra signal stability, eliminating unwanted distortion.
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