Dimensions: 16 x 12 x 11.3mm(D)
0.629921" x 0.472441" x (0.44291339"
Frequency Response: 300Hz - 20kHz
Peak Power: 1 Watt
Impedance: 8 Ohms
Though Soundtraxx does not directly say it on the speaker page. It recommends to wire the mini speakers in Series.