Jamo A 345 I/O. System type: 2.0 system, Speaker placement: Outdoor, Amplifier: External. RMS rated power: 75 W, Peak Music Power Output (PMPO): 100 W, Frequency range: 70 - 20000 Hz. Connectivity technology: Wired. Width: 160 mm, Depth: 142 mm, Height: 225 mm. Operating temperature range (T-T): -30 - 70 °C