Use Audioengine HD4 Powered Desktop Speakers to effortlessly fill any living space with the power of incredible, true stereo sound that brings your listening experience to life. Incredible, true stereo sound Extended-Range Wireless aptX-HD Bluetooth High-fidelity stereo sound for desktops and small spaces Analogue input for easy turntable connection Aramid fibre woofers and silk dome tweeters Built-in power amps wrapped in precision tuned, hand-crafted cabinets Hand-built and finished wood-veneer cabinets 3.5mm stereo mini-jack headphone out Dual analogue audio inputs USB audio input Modern, compact design Quick and easy setup Made for your music HD4 wireless speakers offer versatile, high-fidelity audio ideal for smaller spaces. A premium-powered, 2-speaker setup offers excellent music reproduction and surrounds you with a sense of presence that most compact systems often miss. The HD4 is a perfect blend of the power you love to feel and the modern functionality you depend on. Play your music, your way An all-access pass to all of your music on any app or device, the HD4 offers wired or wireless connections including USB input from your computer, Bluetooth aptX-HD from your phone or good old analogue from that vintage turntable or prized tape deck. Featuring Bluetooth aptX-HD for premium, extended-range wireless that allows for quick and easy connection to stream your existing music services, tune into your favourite podcast or listen to those carefully curated playlists from your personal music library. Bold design that fits in Designed to take on space limitations, the HD4 is the perfect upgrade where surfaces are minimal but performance and convenience can’t be compromised. As handsome as they are compact, the HD4 will easily fit in any small living space and blend in with any decor. The HD4’s modest design does little to prepare listeners for such expansive soundstage and crystal-clear imaging.