Crescendo x is a powerful and precise premium wireless speaker system, featuring dual audiophile quality Folded motion tweeters and a 5×7-inch Mid/bass woofer for a Deep, extended bass response. The crescendo x is capable of reproducing sound with unflinching accuracy, resolution, and detail—the inspiration behind every MartinLogan design. Our dedicated in-house design and engineering team created the ultimate table-top speaker system in a sleek, compact design without compromising sound quality. Taking a “no-compromise” approach, the crescendo Features premium construction and design elements not typically found in similar speakers. Advanced connectivity methods allow for connection of virtually any device: Wi-Fi -connect airplay or Play-Fi capable devices wirelessly to stream audio. Bluetooth -connect Bluetooth capable devices wirelessly to stream audio. Wired Ethernet -connect airplay or Play-Fi capable devices to stream audio over an Ethernet connection. USB -connect compatible Apple devices and use the crescendo as an audio dock and charger. The USB connection was designed to rapidly charge a variety of devices. Analog -any device that has an analog audio output can connect to the auxiliary analog input via a 3.5mm headphone style jack. Optical digital -any device that has a digital optical output can connect to the auxiliary digital input with the included mini-to slink optical adapter (analog and digital connections share the same input).