Installing the MTX T85 speaker into a car greatly improves sound quality, and it also minimizes the resonance. With a minimum frequency response of 62 Hz and a maximum frequency response of 20 kHz, this MTX 5.25-inch car speaker has higher specs than the standard user would ever need. Plus, this 2-way car speaker has an impedance of 4 ohms, a sensitivity of 83 dB, and a peak power handling of 100 watts. The MTX T85 speaker requires a mounting diameter of 4.88 inches. The top mounting depth on this MTX 5.25-inch car speaker is 2.23 inches, and the bottom mounting depth is 2.44 inches. It is easy for users to install this 2-way car speaker in a car, or a maintenance shop can do it for a fee. With the tweeter and woofer found on the MTX T85 car speaker, users will appreciate a better music or talk radio listening experience.