AUDIOPHILE-GRADE SOUND SYSTEM: Hand-built with custom 4-inch Kevlar woofers and 0.75-inch silk dome tweeters delivering exceptional clarity and detail across the entire frequency range (50Hz-22kHz) — experience studio-quality sound that reveals nuances you've never heard before VERSATILE CONNECTIVITY OPTIONS: Stream high-resolution audio via Bluetooth 5.3 with aptX Adaptive codec, or connect via USB, RCA, or 3.5mm inputs — perfect for turntables, TVs, computers, and gaming systems with no external receiver required PREMIUM 24-BIT DAC TECHNOLOGY: Integrated high-performance digital-to-analog converter processes digital signals with superior fidelity, bypassing your device's low-quality sound card for truly immersive audio that brings your music to life HAND-CRAFTED FURNITURE QUALITY: Meticulously constructed with furniture-grade MDF cabinets featuring real wood veneer finishes (available in White, Black, and Walnut) — designed to be a beautiful addition to any room décor COMPLETE SYSTEM WITH 3-YEAR WARRANTY: 120W total power with all necessary cables included and industry-leading 3-year warranty with responsive US-based customer support Experience music as the artist intended with the Audioengine HD4—the culmination of our decade-long pursuit of audio perfection. Meticulously engineered by audiophiles and musicians in Austin, Texas, these premium powered speakers deliver exceptional clarity, detail, and warmth that transforms your favorite music into an immersive listening experience. Unlike mass-produced speakers that sacrifice quality for convenience, the HD4 combines classic audiophile design principles with modern connectivity, featuring custom-designed Kevlar woofers, silk dome tweeters, and furniture-grade wood cabinets that look as beautiful as they sound.