USB 2.0 speaker 331

Power supply: USB 5V Impedance: 4 Ω Power: 3W × 2 Interface: USB power input with a diameter of 3.5 stereo head input Speaker: 2 inches x 2 Function: Wire controlled tuning SNR SUR: ≥ 83dB Frequency response FR: 40Hz-20KHz Product size: W86 × D90 × H150 mm Input sensitivity: 500mV Distortion: ≤ 5% Color: Wood grain

Power supply: USB 5V Impedance: 4 Ω Power: 3W × 2 Interface: USB plug with a diameter of 3.5 for stereo input Speaker: 3 inches x 2 Function: Line controlled tuning RGB SNR SUR: ≥ 82dB Frequency response FR: 40Hz-20KHz Product size: W100 × D102 × H202 mm Input sensitivity: 600mV Distortion: ≤ 5% Color: Black Wood Grain, Civil Wood Grain, Red Wood Grain

Power supply: USB 5V Impedance: 4 Ω Power: 5W × 2 11>Interface: USB head Speaker: 2 inches x 2 Function: Knob tuning, Bluetooth, built-in sound card SNR SUR: ≥ 83dB Frequency response FR: 40Hz-20KHz Product size: L360 × D93 × H106 mm Input sensitivity: 600mV Color: Wood grain

Power supply: USB 5V Impedance: 4 Ω Power: 3W × 2 Interface: USB power input, diameter 3.5 stereo head input Speaker: 2 inches x 2 Function: Wire controlled tuning SNR SUR: ≥ 83dB Frequency response FR: 40Hz-20KHz Product size: W85 × D85 × H155 mm Input sensitivity: 500mV Distortion: ≤ 5% Color: Wood