At the bottom of each Massive Audio MX Series 4 In. Coaxial Speaker sits a high energy Y30 magnet that supplies the sufficient magnet force needed. In the center of a MX4 speaker sits a 3/4 in. KSV coil that floats on a poly fiber spider. With butyl foam surrounds, laminated paper cones, and smooth 13 mm dome tweeters, this pair of 4 in. speakers is value priced and designed to fit almost any ride.
150 watts max power output
Frequency response: 120 Hz to 20 kHz
Impedance: 4 ohms
Rugged construction to withstand harsh mobile environment
Powder-coated steel baskets with Massive logo stamped right through the steel
0.75 in. high-temperature KSV voice coils
13 mm hard diaphragm tweeters with ferrofluid-cooled V.C
High-quality cloth spiders with polyester fiber
Custom-laminated paper cones with butyl rubber surrounds