Genius HF-2020 Digital 4-Way Hi-Fi Speakers (SP-HF2020) Three optional equalizers: WideSound, DeepBass, AudioAlign Adjustable volume and digital-source selection key Piano black front panel and electroplated-copper ring Remote control included One digital coaxial input and two analog inputs Three optional equalizers: WideSound, DeepBass, AudioAlign Adjustable volume and digital-source selection key Piano black front panel and electroplated-copper ring Remote control included One digital coaxial input and two analog inputs Four Acoustic-designed speaker units deliver superior sound entertainment  a total of 60 watts RMS Professional D2Audio Digital Sound Processor