|  | [請教] 用av bypass 喇叭有吱吱電流聲 | 
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| KEF LS50 Front & Centre Krell S300i SONY HAP-Z1ES Denon AVRX-4100W Pioneer BDP-450 SONY VPL-HW50ES SONY KDL-55W900A | |
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| KEF LS50 Front & Centre Krell S300i SONY HAP-Z1ES Denon AVRX-4100W Pioneer BDP-450 SONY VPL-HW50ES SONY KDL-55W900A | |
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