One Pair of Audiopipe APHE-T250 High Frequency Swivel Tweeters. These Tweeters have an RMS Power of 40 Watts Power (RMS) and Max Out at 80 Watts max Power. Included Angled Mounts Giving You the Capability to Either Surface Mount or Mount at an Angle. Frequency Response: 3000 - 25KHz / Sensitivity: 93d B Impedance: 4 Ohms