Pioneer VSX-D457 Dolby Pro-Logic 5.1 A/V Receiver Amplifier Amplifier Features - Stereo: 100 watts per channel, 20 Hz to 20 kHz, 0.09% THD at 8 ohm - Surround: Front: 100 watts x 2, Rear: 100 watts x 2, Center: 100 watts x 1 Pre-amplifier Features - 6 Audio Inputs plus Tuner - Center Channel Preamp Output - Subwoofer Output - Electronic Bass, Treble and Loudness Control - Digital Processing of Pro-Logic - Virtual Dolby (Tru Surround by SRS) - SRS Stereo Signal Processing - Digital Signal Processing with 6 Simulated Sound Fields - Advanced 5 D Theater - Digital Processing of Pro-Logic الماركة ماركة أخرى الحالة مستعمل