The SK35 is a 3.5-inch, high-performance, 2-way, high performance pair of coaxial speakers engineered for an enhanced listening experience by Skar Audio. The SK series of speakers are extremely powerful and efficient, delivering unrivaled sound at the highest power levels with accuracy. With features such as it's 1-inch high temperature copper voice coil, as well as a premium ferrite magnet, the driving force of these speakers is unparalleled. The glass fiber cone coupled with the TPE surround of the mid-range woofer allow these speakers to be extremely responsive across a wide range of frequencies. These coaxials feature 0.8-inch high fidelity silk dome tweeters for ultimate high frequency response. Sold as a pair. 4 Ohm impedance. Frequency Response: 135 Hz - 20 kHz, Sensitivity: 83 dB. Peak Power: 120 Watts (Pair), RMS Power: 60 Watts (Pair).