Pioneer - TS-A1686R - Pioneer TS-A1686R Speaker - 60 W RMS - 350 W PMPO - 4-way - 2 Pack - 32 Hz to 38 kHz - 4 Ohm - 91 Features: Lightweight elastic polymer surround for high sensitivity Smooth off-axis response Heat-resistant voice coil wire for heat dissipation and durability to withstand high input power New spider design incorporates the same material used in the PRS series of high-end component speakers for stiffer suspension and more accurate response Cooling basket with air vent for increased cooling to process improved power handling Type: 4-way Speaker