The WK650 6.5-inch speaker is a powerful audio component designed for use in vehicles. With a maximum power output of 140 watts and a sensitivity of 92 dB at 1 W / 1 m, this speaker delivers impressive sound quality and volume. The frequency range extends from 45 Hz to 20 kHz, covering a wide array of sounds and allowing for deep bass as well as clear highs. The 4-ohm impedance ensures optimal compatibility with various audio amplifiers. The speaker features a 10-ounce magnet and an aluminum voice coil, which enhance performance and durability. The butyl rubber suspension contributes to the stability and flexibility of the speaker, further improving sound reproduction. The package includes 12 pieces, making it a practical choice for replacing or upgrading the audio system in vehicles.