The TX68 is a 5" x 7" (6" x 8") component speaker pair that can handle up to 90W RMS power. The TX, Thunder Axe, Series speakers are designed to take any installation to the next level while delivering a full range sound experience for all types of music. This unit features a polypropylene woofer and soft dome tweeter that offer excellent clarity and imaging. The included crossover includes a two position tweeter adjustment of 0dB or -3dB allowing the user to customize the sound based on their preference.The TX Series offers the best full range sound reproduction of any speaker in their class with particular focus on low frequency reproduction where TX speakers play much lower than other models allowing you to listen to great bass even if you do not want to install a subwoofer.