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5.7cm more powerful speaker unit

Output channels: 2 channels 
Rated power: 6 W (3 W x 2) 
Speaker unit: 5.7 cm 
Impedance: 4 Ω 
Frequency range: 50 Hz ~ 18,000 Hz 
PC Connection: 3.5 mm x 2 Dog (stereo, microphone) 
Terminals: Headphone, Microphone 
Power: USB 
Color: Black 
Weight: 420 g