POLK AUDIO ATRIUM 4 ALL WEATHER OUTDOOR SPEAKERS (PAIR) External pre-amp input terminals

External pre-amp input terminals

Channel 1 & 2 Input Trim: 0 dB

This method of construction helps reduce the transmission of mechanical vibration and ensures that every single element inside the unit performs at its best

This projects sound clearly and evenly throughout the audience

Exclusive BDSS™ Technology for more bass in less space

POLK AUDIO ATRIUM 4 ALL WEATHER OUTDOOR SPEAKERS (PAIR) External pre-amp input terminalsPOLK AUDIO ATRIUM 4 Big Fidelity, Small Speaker. The Compact Atrium4 loudspeaker produces high fidelity sound quality anywhere you want great sound. Its small size makes it ideal for tight, out of way installations. PATENTED DYNAMIC BALANCE The perfect material performance, eliminating driver and tweeter "artifacts" for more realistic sound reproduction at high and low volume levels. To install, simply mount the bracket and click the speaker into