Avatar Tsunami STU-1546-D1 Orange 6000 Watts Peak 1-Ohm 15" Subwoofer This Listing Includes: (1) 15" Subwoofer (1) Manual Specifications: Model: STU-1546 D1 Type: Subwoofer Size: 15" VC Size: 4.00" Cone: Paper Magnet: Ferrite Winding Material: CCAW Surround Material: Foam RMS Power: 3000 W MAX Power: 6000 W SPL Burp: 12000 Watts Frame: Aluminum Impedance: 1+1 Ohm SPL: 86.10 dB Fs: 32.00 Hz Qts: 0.41 BL: 25.30 Vas: 96.00 L Xmax: 28.00 mm Dimensions: Mounting Depth: 259.4 mm Cut-out Dimension: 355.4 mm Magnet Dimension: 8.66" / 220mm Overall Depth: 10.83" / 275mm Overall Width: 15.35" / 390mm