Sony STR-DE375 Home DVD Theater Sysetm Amplifier. very poverfull. ?

Sony STR-DE375 Home DVD Theater Sysetm Amplifier. Power output 80 watts x 5 (8 ohms, RMS) Sony STR-DE375 Home Theater Sysetm Amplifier. Power output: 80 watts x 5 (8 ohms, RMS) Decoders: DTS, Dolby Digital, Pro Logic and Pro Logic II DSP and eq. modes: 32 Bit DSP processing, 3 x cinema sound fields, 3 x music sound fields, cinema studio A, B and C, bass and treble equaliser modes Video inputs & outputs: 1 x video loop (composite video in and out) 2 x composite video in, 1 x composite video monitor output Audio inputs: 1 x tape loop (in and out), 1 x line audio in, coaxial and optical digital inputs Speaker outputs: Easy spring-clip connections on all outputs Audio outputs: Subwoofer pre-out, 6.3mm headphone output Tuner: FM/AM with 30 presets, auto preset memory, FM RDS with PS-PTY Remote control: Yes The Amp is in perfect working ordeR. 65 weekdays call 18:00-21:30, weekends call all day. or text any time. thanks.