Quick Review:

The Polk Audio MM1240 12″ car subwoofer is a mobile, compact sub. It provides incredible performance on a lighter and more slim frame. The Polk Audio MM1240 can handle up to 425 watts RMS and is made from a polymer cone with butyl rubber surround, mounted on a light-weight carbon composite basket. And if you are looking for a stylish woofer to put in your boat or use in a marine environment, it is certified for marine use with its corrosion-resistant stainless steel mounting hardware. One of the best features of the Polk Audio MM1240 is its price; it's a very affordable subwoofer.

Polk Audio MM1240 Features:

Subwoofer Specs

• Subwoofer Size: 12″
• Peak Power Handling: 850 watts
• RMS Power Handling: 425 watts
• Voice Coil: Single
• Impedance (Per Voice Coil:) 4 ohms
• Frequency Response: 22 – 200 Hz
• Sensitivity: 92 dB
• Xmax: 25 mm
• Main Cone Color: Black
• Woofer Composition: Polymer/Mica Composite
• Woofer Surround: Butyl Rubber
• Subwoofer Grille: None
• Re-Cone Kit: None

Enclosure Recommendations

• Enclosure Type: Sealed
• Minimum Sealed Box Volume: .88 cubic feet
• Maximum Sealed Box Volume: .88 cubic feet
• Top-Mount Depth: 4-5/8″
• Cutout Diameter: 11″
• Shallow Mount: No