PreSonus R80 AMT Studio Monitor (Single)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 2-way active AMT design provides articulate high-frequency response and wide stereo imaging </span></li><li><span class="a-list-item"> Custom-designed， 6.8-inch， AMT ribbon tweeter responds to the subtlest waveforms and the highest frequencies </span></li><li><span class="a-list-item"> 8-inch Kevlar LF drivers provide transparent mid- and low-frequency reproduction for clean sound and punchy bass </span></li><li><span class="a-list-item"> Biamped， 150W Class D power amplifier with switching power supply. RF interference， output current limiting， over temperature， turn-on/off transient， and subsonic filter protection </span></li><li><span class="a-list-item"> Acoustic Space settings (Linear， -1.5 dB， -3 dB， -6 dB) compensate for room placement </span></li><li><span class="a-list-item"> RF interference， output current limiting， over temperature， turn-on/off transient， and subsonic filter protection </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41b1gH0K1AL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41GZtWScSBL.jpg" noproxy>