The Pyle PDS344 is a 4-inch automotive speaker driver that features a midrange and tweeter combination in an aluminum body. The Pyle 4-inch car speaker is a wired, passive system that focuses on the treble part of audio output. It is referred as a midrange/tweeter compression horn driver. This automotive speaker driver features a frequency response range of 800 Hz to 20 kHz, which includes all the higher endnotes in music. The Pyle 4-inch car speaker also produces 8 Ohms of impedance and a sensitivity of 103 dB. The power handling for the Pyle PDS344 is 200 for a nominal handling and 400 for peak power. In terms of construction, it includes a 1.35-inch, flat aluminum coil, a titanium diaphragm, and a 25-oz magnet structure. The Pyle 4-inch car speaker requires a mounting depth of 3.3 inches. It fits horns with a 1.38 inch, 18 TPI threads. This speaker is a component that is best used when combined with a midrange and a subwoofer for a more complete sound output.