The newly-introduced Audioengine HDP6 Passive Speakers Bookshelf speakers are an advanced sound solution created with great passion for undistorted, and pure sound quality. This pair of compact loudspeakers can be powered by an array of devices - from stereo AV receivers, tube amplifiers, to integrated amps, enhancing the audio experience for your music and movies. Engineered with patience and precision, HDP6 speakers hold new custom 5.5" aramid fiber woofers and 1" silk dome tweeters, housed within expertly hand-finished cabinets thickened to 20mm for enhanced sound isolation. The enhanced robustness is boosted further by hardy aluminum frames for improved durability and performance. The removable grills concealed with neodymium magnets are a unique inclusion, offering customizable aesthetics while protecting the valuable components inside. The HDP6 speakers follow an impressive specification list: a sensitivity of 88dB , a nominal impedance of 4 Ohms, and a frequency response spanning from 50Hz to 22kHz. Their recommended power range of 10-150W offers versatility in system integrations. These bookshelf speakers' sleek, mid-century modern design effortlessly fits within any home decor, promising phenomenal sound without compromising the aesthetics of your living space. Every box includes two HDP6 Passive Home Audio Speakers, a pair of detachable magnetic speaker grills, and two microfiber cloth speaker bags for safe storage. Winner of many awards, these speakers promise you an Audioengine experience that is captivating, detailed, and above all, enjoyable. With a generous 3-year warranty, the Audioengine HDP6 Passive Speakers are the perfect audio solution for your home entertainment system.