Optimize your subwoofer's output with a precision-engineered box designed for 12" Single Vented- Blue with Liquid Ink Hyrdrographics - USA Made with heavy duty construction. This Atrend enclosure is vented and tuned to 34 Hz for tight, powerful bass. It offers 1.8 ft³ of net airspace per subwoofer and is crafted from durable MDF for long-lasting performance. The enclosure measures 34" x 16" x 18", offering the perfect blend of strength, size, and sound.