Subwoofer from the American company Velodyne. Equipped with a powerful 18" speaker.
Technical specifications
Speaker size 18"
Subwoofer with servo drive, remote control, sealed housing,
Active subwoofer with digital room equalization electronics and graphical user interface.
18" carbon fiber reinforced speaker with paper cone
Two-stroke 3" voice coil and 24-pound magnet.
Inputs: 2 line (RCA), 1 balanced (XLR), 2 speakers
Outputs: 2 line (RCA), 1 line (RCA) output for L/R test signal and video.
Dimensions: 23" (590 mm) H by 21.25" (550 mm) W by 19.25" (494 mm) D. Weight: 123 lbs (56 kg).
Rear Panel Controls: Volume Up/Down. High-Frequency Crossover (RCA Output): 80 Hz @ 6 dB/octave (Invincible). Low-Frequency Crossover and Subsonic Filters (Invincible): 15-199 Hz, variable in 1 Hz steps, selectable 6, 12, 18, 24, 36, or 48 dB/octave. Frequency Response: 14-120 Hz, ±3 dB. Total Harmonic Distortion: 0.5%. Phase: 0-180 degrees, variable in 15 degree steps. Amplifier: Class-D, 1250 Watts RMS (3000 W peak).
Amplifier power: 1250 RMS (3000 peak)
Frequency range, Hz: 14-120 [+/-3 dB]
Low pass filter adjustment limits, Hz: 15-199
Phase control: 0-180
Line output: Yes
Color: black
Height, mm: 584
Width, mm: 540
Depth, mm: 489
Weight: 56kg