A break through technology with a powerful amplifier, all built into a small enclosure providing an unbelievable experience; future is here. Place it under the seat or in the boot, this sub-woofer can fit in anywhere with its small height. Flexible Installation The new Active subwoofer from Pioneer can fit easily in most of the cars. Its main advantage is that you can save your boot space for luggage and still get good bass from this under seat subwoofer. Class D amplifier Newly adopted CLASS-D technology realizes low power consumption from power supply but provides 160W maximum power. Bass Reinforcement It adopts high sound quality operational Amplifier NJM 4580 for analog circuit. It realizes dynamic and tight bass. Power supply choke coil Power Adapt new choke coil which has little current loss. Seal of genuinity Years of research & state-of-art production facilities is our secret behind every Pioneer speaker^s quality sound reproduction. Our popularity with you have attracted cheap speakers being sold under Pioneer brand name. Use our 3-D hologram on the speaker package to identify a genuine product and safe-guard yourself from cheap fake products.