Thai version RES F5 Our subwoofers consist of 2 5 inch woofers that are connected in parallel circuit. The impedance was reduced from 4 Ohm to 2 Ohm in order to increase the audio reception sensitivity. Power amplifier included 80 Wrms. The best responsive frequency is at 60 Hz. The subwoofer body is made from metal mold with rustic protection chemicals. The rubber rims last more than 15 years. The subwoofer cone consists of 2 layers. The inner layer is a web weaved paper used for the air flowing system. The outer layer is stronger pan-like paper used for impacting and increase the strength. Spacification  Driver  5" x 2  Rated Power  80 Watt  Power Amp Included  80 Wrms  Frequency Response  40 - 250 Hz  Inpedance  4 Ohm  Box system  B A B  Size(WxLxH)  21.4 x 34.5 x 7.5 cm  Weight  3.1 kg Diagram RES F5

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