Acoustic Research SUB510 175W Subwoofer Built-in Class D Digital Amplifier. Sound quality and bass are excellent. Minor scratches on paint coating. When moving the unit, there is a loose internal component, but does not affect the sound quality during playback. 10 (25.4cm) Poly-Coated Woofer. 12.6 x 13.5 x 23.7 (320 x 343 x 602mm). 35 lbs (15.9 kg). Descriptions, detailed photographs, and exceptional customer service. We make every effort to accurately describe the condition of each electronic listed for sale. Additional details, such as any visible flaws, scratches, or imperfections, will be clearly. In the product description. Please read these descriptions carefully to ensure compatibility with your turntable and preferences. These images are intended to accurately. The item’s condition and. To minimize the risk of damage during transit. Meet these obligations, or if there is a significant discrepancy between the product received and the item description, we will work with you to find a fair and satisfactory resolution. Where words fail, music. Hans Christian Anderson.