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Polk Audio LC265i-IP In-Wall Speaker:
• Enclosure/no-enclosure tuning • High-pass filter, necessary when using a subwoofer • Room-acoustics compensation: You can select Lively, Somewhat Live, Neutral, Somewhat Dead, or Dead based on the reflectivity of the walls, floor, ceiling, and furnishings in the room • Arrival Time Synchronization: helpful if the listening position is not centered between the speakers • Off-axis frequency shaping is useful when the speakers are positioned to the left or right of the listening position and compensates for any drop in high-frequency response • Vertical time synchronization helps produce the best sound when the speakers are placed above or below the listening position • Boundary compensation prevents boomy bass if the speakers must be installed closer than 2 feet from a side wall • The three-band tone control lets you fine-tune the speakers' tonal characteristics to suit your personal preferences
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