Velodyne 15 Inch Woofer Sub Driver From DLS5000R Powered Subwoofer. Local Pick-up Only. Take a listen before you buy. Open 7 days a week. location shelf AE Quality Woofer is just over 10 lbs. Huge Magnet Structure. Labeled as 6 ohms, serial/part number 080323 See Video With Low Frequency Test Tone Being Generated at 2.5 Hertz Super Low Bass. Awesome! Watch demo on YOUTUBE, search for: Velodyne 15 Inch subwoofer test at 2.5hz Thank you Fred’s Sound Of Music Audio Video Inc. Portland Oregon USA Since 1948