USB 2.0 speaker 331
Power supply: USB 5V
Impedance: 4 Ω
Power: 3W × 2
Interface: USB power input
Speaker: 2 inches
Function: Wire controlled tuning, built-in sound card
SNR SUR: ≥ 83dB
Frequency response FR: 40Hz-20KHz
Product size: W78 × D75 × H109mm
Input sensitivity: 500mV
Distortion: ≤ 5%
Color: Wood
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USB 2.0 speaker 330
Power supply: USB 5V
Impedance: 4 Ω
Power: 3W
Interface: USB power input with a diameter of 3.5 stereo head input
Speaker: 2 inches
Function: Wire controlled tuning
SNR SUR: ≥ 83dB
Frequency response FR: 40Hz-20KHz
Product size: W80 × D70 × H100 mm
Input sensitivity: 500mV 14
Distortion: ≤ 5%
Color: Wood
USB 2.0 speaker 339
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: W80 × D100 × H145 mm
Input sensitivity: 600mV
Distortion: ≤ 5% 15
Color: Wood
