The HT1LCR-V1, 1000 Series 5. 25" In-wall LCR speaker is a high performance 150W/75W dual woofer speaker designed for the demanding needs of home theater. It boasts a dual 5. 25" Polypropylene woofer for amazingly accurate sound even at a low listening level and the. 75 in titanium tweeter delivers thrilling, realistic performance.