DD-12

About the DD-12

The Velodyne DD-12 is a sophisticated active subwoofer designed for audiophiles and home theater enthusiasts seeking deep, accurate bass. It features a 12-inch forward-firing woofer with a tandem 3-inch voice coil and Kevlar reinforced cone, powered by a 1250 watt RMS (3000 watt peak) Class-D amplifier. The subwoofer includes advanced digital drive room management with a supplied calibrated test microphone for real-time frequency response measurement and automatic room equalization. It offers extensive user controls including adjustable low-pass crossover (15-199 Hz), subsonic filter (15-35 Hz), phase adjustment (0-180° in 15° increments), and selectable polarity. The unit supports multiple input types including RCA, balanced XLR, and speaker-level inputs, and provides outputs for daisy chaining. The DD-12 also features an on-screen GUI for setup and calibration, multiple listening presets, and a remote control for easy operation. Its frequency response is approximately 17-120 Hz ±3 dB, with very low distortion (<0.5% THD). The subwoofer weighs about 67 lbs (30 kg) and measures roughly 14.5" x 14" x 15.5" (HxWxD). This model is highly regarded for its clarity, tonal accuracy, and spatial resolution, making it suitable for demanding audio applications.