The Acoustic Audio HT87 is an in-wall speaker system that consists of 5 rectangle and 2 round speakers. The power handling of 1050 Watts RMS to 2100 Watts in this Acoustic Audio in-wall speaker provides you with immense power to enjoy great quality music. With a 30Hz - 22 KHz frequency response, this Acoustic Audio home theater speaker gives you clean and sharp music at all frequency levels. The Acoustic Audio HT87 has a sensitivity of 98db that delivers clear and loud sound for an amazing musical experience. The 8 Inch woofers of this Acoustic Audio in-wall speaker produce soft and smooth low frequency sound. The 12mm tweeters of this Acoustic Audio home theater speaker deliver soft and sharp high frequency sound.