BEHRINGER B2031A monitors

Its excellent sound reducing power, frequency response (50 Hz --21 kHz) extremely flat broad. Built-in 150-watt and 75-watt amplifier with sufficient power reserve. Respectively with low and high frequency limiter. 8.75 inches long distance polypropylene cone woofer so powerful bass, cleanly. 1 inch ferrofluid-cooled tweeter crystal-clear treble and rich detail. Specifications: High-frequency microphones: a '' low-frequency microphone: 8.75 '' polypropylene cone, cast aluminum frame High Frequency Amplifier: 75W low-frequency amplifier: 150 watts inputs: Servo balanced XLR & 1 / 4''TRS control: Input level, 3-band bass response switch structure: Braced wooden touch Screen: Yes Dimensions (H * W * D): 15.8 * 10.1 * 10.5 '' 401 * 257 * 267 Other features: sold in pairs, each equipped Frequency response Certificate