The Denon Envaya DSB-200 Black Portable Wireless Bluetooth Speaker System with Interchangeable Grilles is packed with the latest technologies to deliver larger than life sound from a stylish compact design. Featuring dual wide range precision 52 mm drivers and high efficiency Class D digital amplification, the Envaya DSB-200BK also features a large 100 mm passive radiator, which helps deliver authoritative deep bass.For the utmost fidelity from your favorite tracks, the Envaya DSB-200BK is equipped with high resolution aptx CSR decoding, delivering CD quality sound. The wireless streaming technology also provides extremely low latency to eliminate lip synchronization issues.Sound quality is further improved due to the inclusion of advanced MaxxAudio technology, studio-quality sound processing by Waves, recipient of a Technical GRAMMY Award and world leading DSP developer for the professional audio industry. The sound produced is above and beyond anything that conventional compact speaker systems deliver thanks to dual 'oversized' proprietary drivers paired with a large passive bass radiator that fit neatly into this speaker's compact design. Up to 8 Bluetooth devices can be remembered and the Envaya DSB-200BK features multi-point Bluetooth technology that allows up to 3 devices to be connected at any given time, for the ultimate party experience. The rechargeable battery delivers up to 10 hours of playback time. You can even plug your smart device into the uni