Dayton Audio PCS175-4 Poly Cone Woofer

The Dayton Audio PCS175-4 Poly Cone Subwoofer is a 6-1/2-inch, 4-ohm driver engineered to deliver deep, controlled bass from compact enclosures. Its polypropylene cone and rubber surround ensure clean, distortion-free mid-bass and low-frequency reproduction, making it an excellent choice for audiophiles seeking to upgrade their car audio system or enhance a home theatre setup. This subwoofer is particularly well-suited for sealed or small vented enclosures, where its efficient design allows it to produce impressive low-end extension without requiring excessive power or space.

Technically, the PCS175-4 features a 4-ohm impedance and a DC resistance of 3.7 ohms, with a sensitivity of 89.2 dB SPL at 1 metre per 2.83 volts, ensuring efficient use of amplifier power. The total Q factor (Qts) of 0.73, combined with a mechanical Q (Qms) of 2.85 and an electrical Q (Qes) of 0.98, provides a well-damped response suitable for accurate bass reproduction. With a maximum linear excursion (Xmax) of 2 mm and a voice coil inductance (Le) of 0.8 mH, this driver maintains control and clarity even at higher volumes. The mounting cut-out diameter is 145 mm, with a screw circle diameter of 168 mm and four mounting holes, making installation straightforward in a variety of enclosures. The nominal diameter is 165.1 mm (6.5 inches), and the polypropylene cone material ensures durability and consistent performance over time. Whether for music or film, this subwoofer offers a reliable foundation for rich, immersive sound.