The I KALL IK-411 speaker is designed for cinema-quality excitement. Good speakers can really bring your movie nights to life (even at home!). The design helps elicit a better response in the lower midrange, a truly rich sound from within, featuring ground-shaking bass and a powerful amplifier. Armed with Bluetooth 4.0 technology along with top-notch components and design, these speakers offer a very capable audio experience. With vibrant highs and authoritative bass, this speaker gives you a complete listening experience when it comes to fidelity.