0dB=0.775Vrms. Half Power=1.2 Output Level (Rated Power) MODEL QX-4960 Power Output Level   f=1kHz, THD+N≤0.05% (Typical)   QUAD       RL=8Ω 170W RL=4Ω 240W BRIDGED STEREO RL=8Ω 480W One Channel Driven   f=1kHz THD+N≤0.05% RL=4Ω 240W Frequency Response RL=8Ω, P.=1W 0dB+0.5, -1.5dB: f=DC~55kHz Power Bandwidth Half Power, THD+N≤0.1% 10Hz~20kHz STEREO RL=8Ω 전고조파 의율 (THD+N)   f=20Hz~20kHz, Half Power   QUAD  RL=8Ω ≤ 0.05% RL=4Ω ≤ 0.07% BRIDGED STEREO RL=8Ω ≤ 0.07% Channel Separation Half Power RL=8Ω ≥ 80dB f=1kHz ATT. max. Input 600Ω shunt Residual Noise (DIN Audio Filter) ≤-85dB: ATT min. Signal-to-Noise Ratio DIN Audio, ≥ 100dB Input 600Ω Shunt Sensitivity (ATT max.) 0dB Rated Power into 4Ω 1kHz Input Impedance (ATT max.) 20kΩ (Balance/Unbalance) Indicators Power  (Red)   Protection (Mute)×4  (Green)   Clip×4  (Red)   Signal×4  (Green) Protection Power SW ON/OFF muting   Heatsink Temp ≥100℃ (212℉) 전류 리미터 RL=2Ω Fan Circuit -50℃ (122℉)-60℃ (140℉)   Low-Speed - Variable - Hi-Speed 콘트롤 (전면) Power SW: Push up On/Push down Off     Attenuator: 21-position dB calibrated   (후면) Mode Sw: Bridged/Stereo/Parallel     X-OVER SW (QX-4960) 사용전원 AC 220V, 60Hz 소비전력 1800W 중량 17kg 외형 482(W)×88(H)×369(D) mm 콘넥터 입력 Combination Jack (Balance)   출력 5-Way binding posts×4   -ACTIVE CROSSOVER (QX-4960) Crossover Frequency From 60Hz to 250Hz or 600Hz to 2.5kHz Crossover Slope 24dB/octave Roll/off (Linkwitz Filter) LOW Filter 40Hz (12dB/octave)