DD Audio AT-28a

Features: Dome tweeter with Ceramic diaphragm! Treated silk surround Neodymium motor Tuned rear cavity Laser engraved rear panel Compatible with optional 2-way passive CX02 and TXOHP high pass Crossovers Data: Speaker size (MM): 28 Watt RMS: 50 Watt peak power: 125 Impedance: 4 ohm voice coil diameter (mm): 28 frequency response (Hz): 3k - 25k Fs (Hz): 1300 Hz SPL: 90dB Dimensions: Outer diameter: 57.7mm Mounting diameter: 47.9mm Installation depth: 12.7mm