LOGITECH Z-4 2.1 Speakers 40W RMS power

Total RMS power: 40 watts RMS
Satellites: 17 watts RMS (8.5 watts x 2)
Subwoofer: 23 watts RMS
Total peak power: 80 watts
Frequency response: 35 Hz?20 kHz
Drivers:
Satellites: 2-inch dome driver, 2-inch pressure driver
Subwoofer: 8-inch pressure driver
Speaker dimensions (H x W x D, inches):
Satellites: 9 x 3 x 3.75
Subwoofer: 9 x 9 x 9.37
Signal-to-noise ratio: >92 dB