Neewer&reg; Dual VHF Wireless Microphone System: (1)Receiver + (2)Wireless Microphones + (1)Adapter + (1)1/4" Audio Cable + (4)1.5V AA Batteries, Perfect for Karaoke, Meeting, Speech, Performance Professional dual vhf system. Great operation range: up to 240 ft. NOTE: This model is NOT self-amplified NOR does it have built in speakers Rugged metal receiver. Features dual separate volume control With 1/4" individual and mixed output. Frequency range: VHF 160-270 MHz Includes two wireless handheld microphones with four 1.5V AA batteries, one adapter for powering receiver, one 1/4 audio cable for mix output Unit outputs with a 1/4" Mic Level audio line output and needs to be fed into a amplified speaker/receiver with 1/4" mic level inputs