Jensen JP1300 PowerStation 3-Way DJ-Style Speaker with 12" Woofer 3-way, bass-reflex enclosure with black carpet finish and recessed carry handle Speaker uses a 12-inch woofer, a 9-inch horn midrange driver, and a pair of 2.5-inch horn tweeters Full-range 33 to 25,000 Hz frequency response (+/-3 dB) Highly efficient (94 dB) for loud levels even with minimal amplifier power; rated for use with amps up to 400 watts per channel Measures 15.8 x 28.8 x 12.3 inches (W x H x D)