Studio Z Mini Component Home Speaker SPA-1050CMB

Amplifier studio z hybrid digital receiver amplifier -product number: spa-1000bt15 watts x 2, 8 ohm / 20 watts x 2, 4 ohmwireless music stream abilityusb/sd/mmc card reader function with displayremote control for usb/sd/mmc inputsfm radio function2 mic input jacksmaster channel volume/bass/treble/balance controlmic channel volume/echo control110v/220v switchable speakers panel painting finished hifi bookshelf speakerwoofer size: 5"magnet size: 80 ozimpedance: 4 ohmtweeter size: 3"sensitivity: 88dbfrequency response: 40hz20hz