透過網路，DTR-50.3可以立即連結到台灣和全球無數網路廣播電台，都可經由方便的分類與搜尋功能輕易取得，音樂永不停息。DTR-50.3還可以儲存40個傳統電台，收聽更為方便。影像處理能力超強 在影像方面，DTR-50.3支援HDMI 1.4版，3D播放與ARC音訊回傳都不成問題。THX® Select2 Plus™, 3-Zone 7.2-Channel Network AV Receiver power Output (8 Ω, 20 Hz-20 kHz, FTC) 135W /Channel (8 Ω) Dynamic Power 300W /Channel (3 Ω) 250W /Channel (4 Ω) 150W /Channel (8 Ω) THD (Total Harmonic Distortion) 0.08%(Power Rated) Damping Factor 60 (Front, 1 kHz, 8Ω) Input Sensitivity and Impedance 200 mV/47 kΩ(LINE) 2.5 mV/47 kΩ(Phono MM) Rated Output Level and Impedance 200 mV/2.2 kΩ(PRE OUT) Maximum RCA Output Level and Impedance 2 V/2.2 kΩ(PRE OUT) Phono Overload 70 mV (MM, 1 kHz, 0.5%) Frequency Response 5 Hz–100 kHz/ +1 dB-3 dB (LINE) Tone Control ±10dB, 50 Hz(BASS) ±10dB, 20 kHz(TREB) Signal to Noise Ratio 110 dB (LINE, IHF-A) 80 dB (Phono MM, IHF-A) Speaker Impedance 4 Ω–16 Ω 6 Ω–16 Ω VIDEO SECTION Input Sensitivity and Impedance 200 mV/47 kΩ (LINE) 2.5 mV/47 kΩ (Phono MM) Line 1 Vp-p/75 Ω (COMPONENT) 0.7 Vp-p/75 Ω (COMPONENT Pb/Cb, Pr/Cr) 1 Vp-p/75 Ω (COMPOSITE) Component Video Frequency Response 5Hz - 100MHz, +0dB, -3 dB TUNER SECTION FM Tuning Frequency Range 87.5 MHz– 107.9 MHz AM Tuning Frequency Range 530 kHz–1710 kHz Preset Channels 40 Digital Tuner (North American Only) SIRIUS GENERAL Power Supply AC 120 V~, 60 Hz Power Consumption 7.5 A Dimensions (W X H X D) 17 1/8" x 7 13/16" x 14 13/16" 435 × 198.5 × 427.5 mm Weight 39.5 lbs (17.9 kg) CARTON Dimensions (W X H X D) 23 1/8" x 13 1/4" x 21 3/4" 587 x 337 x 553 mm Weight 48.5 lbs (22.0 kg)