Poly-Planar MA905 Platinum Two-Way Panel Speaker Pairs deliver big sound from a small footprint! Poly-Planar MA-905 panel speakers feature a shallow 1 in. mounting depth to fit in those tight places. These two-way panel speakers have a 5 in. long throw woofer and a 1 in. mylar tweeter. Each speaker handles peak power of 200W. Poly-Planar MA905 Platinum Speaker Features Two-way speakers Shallow 1 in. mounting depth Frequency Response: 55Hz to 20KHz (2 way) SPL: 87dB Cone Size: 5 in. (127mm) Speaker Impedance: 4 ohm Mounting Depth: 1 in. (25mm) Outside Grill: 9-1/16 in. x 6 in. (229mm x 152mm) Cutout: 4-5/16 in. (109mm) Continuous Power: 100W RMS/Speaker Peak Power: 400W/pair Weight (each): 3.15 lb.