Polk Audio TSi 400 Black (Ea) Floorstanding Tower Loudspeaker

Dynamic Balance®

TSi design combines smaller drivers (for more overall driver area with less driver mass) and narrow baffle geometry (taking up less than one square foot of floor space), for wider range and more spacious soundstaging, so every seat in the house hears a prime performance. Unlike horns or metal domes, silk dome tweeters deliver clear and detailed highs, without fatigue, even at high volume. Durable, efficient, and tuned with Polk's Dynamic Balance® process, TSi Series polymer cones produce smooth, natural sound.

Deep Musical Bass

Surprisingly deep, musical bass response thanks to Polk's critically tuned flared port venting system, which minimizes port noise ("chuffing") and smooths the turbulence of port air flow, to reveal big, full-bodied bass that blends effortlessly with the speaker's overall dynamics.

Timbre-Matched with other TSi Speakers

All Polk loudspeakers are timbre-matched within their series, designed with the same components throughout, to achieve seamless speaker-to-speaker blending effects in multi-channel systems. Polk's high efficiency design results in sound that's spacious and clear, warm and realistic, when combined with practically any electronics, even the most modestly-powered amplifer or receiver. Polk's high performance crossover system boosts performance with premium components, like mylar bypass capacitors, to extend response in the higher, more detail-oriented frequencies.

5-Way Binding Posts

Dual gold-plated, professional-style 5-way binding posts, for the most secure connection options. Dual binding posts allow bi-amp or bi-wire connections, for the ultimate in customized high performance audio. Fat stabilizer feet on TSi Series floorstanding models make a solid stand on both carpet and hard wood floors, with the stability and efficiency to deliver more precise bass response and superior imaging.