The Infinity Primus P252 is part of Infinity's Primus Series and is sold in individual units. The Primus P252 speaker features an unobtrusive design and can be matched with other Primus Series products to create a surround system set-up. It uses Infinity's Metal Matrix Diaphragm (MMD) technology to limit distortian and provide accurate sound imaging. The P252 has a frequency response (3dB) of 49Hz-20kHz, recommended amplifier range between 10-150 watts and crossover frequencies of 2,500 Hz-24dB per octave. It is constructed with dual 5-1/4-inch low-frequency MMD drivers and a 3/4-inch MMD high-frequency driver.