Poly-Planar Platinum Panel Speaker - (Pair) White5" Platinum Panel White Part Number: MA 905 Big Sound from Small Speakers! The MA 905 panel speakers feature a shallow 1" mounting depth for those tight places. These two way panel speakers have a 5" long throw woofer and a 1" mylar tweeter. Each speaker handles peak power of 200W. Available in black and white. Features Available in Black and White Shallow 1" mounting depth two way speaker Specifications Frequency Response: 55Hz to 20KHz (2 way) SPL: