Product Model : MT21. 【Product Model】ZK-MT21S. [Adapted speakers] Left and right channels 20-50W, 4-8Ω subwoofer 20-100W, 4-8Ω. [Output power] Left and right channels≤50W, subwoofer≤100w. [Number of channels] 2.1 channels (left channel + right channel + subwoofer).
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