Here are the specs from a different source:
Audio Amplifier: Integrated
Digital Input: S/PDIF (Sony/Philips Digital Interconnect Format)
Audio Output: 4 x satellite 15 watts per; 1 x subwoofer 60 watts.
Battery: 2 AAA for remote
Cable(s) included: RCA cable, 2Xstereo, Dongle (RCA to Stereo)
Compliant Standards: Dolby Surround Pro Logic, Dolby Digital Surround, THX
Dimensions (WxDxH): 1 x 34.5 cm x 29 cm x 23.5 cm; 2 x 10.2 cm x 13 cm x 15.5 cm; 2 x 12 cm x 10.5 cm x 10.8 cm.
Enclosure Color: Beige
Enclosure Type: External proprietary
Output Power / Total : 120 Watt (103dB SPL at listening position)
Port(s) / Connector(s) Required: 1 (or 2 for surround) audio line-out / mini-phone stereo plug 3.5 mm female; 1 x audio SPDIF output.
Power: Power supply integrated AC 120/230 V ( 50/60 Hz )
Power Supply / Device: Power supply integrated Response Bandwidth: 27 - 20000 Hz
Sound Output Mode: Stereo, StereoX2, Prologic, Quad, Dolby Dig
According to that, it is integrated and switchable. Good selection.