(2) Boss D10F 10" 1600 Watt Slim Shallow Low Profile Car Audio Subwoofers Subs "Boss D10F 10" 800 Watt Single 4 Ohm Slim Low-Profile Car Audio Subwoofer. Subwoofer Diameter: 10". Subwoofer Type: Stand Alone. Total Power: Output: 800 Watts Peak Power. RMS Power: 400 Watts @ 4 Ohms. Frequency Response: 35 Hz to 2200 KHz. Sensitivity: 94dB. Impedance: 4 Ohm. Mounting Depth 3-3/8" (86mm). Voice Coil Size: 2". Voice Coil Structure: SINGLE. Cone Material: Poly Injection. Electro-Mechanical. Air Resonance (FS): 47.1 Hz. Total Q (QTS): 0.081. Electrical Q: 0.94. Mechanical Q: 5.7. Surround Material: BUTYL Rubber. Magnet Weight: 60 Oz. Basket Structure: Cast Aluminum. Magnet Cover. Recommended Enclosure: Box Type: Sealed Only. Mounting Depth: 338". Port Frequency: Small = 47 Hz; Large = 45 Hz. Ported Enclosure: Small = 0.8 Cu Ft; Large = 1.2 Cu. Ft.. Sealed Enclosure: Small = 0.6 Cu Ft; Large = 1.2 Cu. Ft.. Port Diameter: Small = 3 "; Large = 4 ". Mounting Hole Diameter: 9316". Port Length: Small = 8.5 "; Large = 11 ". Dimensions (H x L x W): 4.02" x 10.55" x 10.55".