The Acoustic Energy speaker is suitable for use indoors, especially in smaller rooms, and it can be mounted on a bookshelf or a rigid stereo stand. In addition, the speaker is powered with a cable. The Acoustic Energy Aegis Evo 1 is a two-way speaker consisting of a 25-mm tweeter and a 120-mm woofer. At its peak, the stereo speaker can handle an amplifier with the power of 100 watts, and its own nominal power also has the same value. The magnetically shielded Acoustic Energy speaker operates in the frequency range from 38 Hz-22 kHz and has the sound rating of 89 dB. The impedance value of the Acoustic Energy Aegis Evo 1 is 8 ohms and works with bi-amping. This means that the stereo speaker has two audio amplifier channels: one channel for low-frequency sounds and another for high-frequency sounds. The dimensions of the Acoustic Energy speaker are 19x24x36 cm, and one speaker weighs 7 kg.