The AlgoRhythm Series consists of high-end, portable audio products designed to unlock the high resolution features of the most popular digital music players available today. The AlgoRhythm Solo -R and AlgoRhythm Solo -dB are the next steps in delivering uncompromising audio. The AlgoRhythm Solo -R supports all modern Apple devices. Play high resolution audio and deliver it to any number of headphone amplifiers. The DAC and other components of the Apple devices are bypassed, using our audiophile grade DAC, op amps and custom circuitry. All the cables you need to connect to the source are included.