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公共廣播系統（PA系統）是一個電子系統，包括咪(麥克風)、放大器、揚聲器和相關設備。它可以增加人聲、樂器或其他聲學聲源或錄製的聲音或音樂的表面音量（響度）。擴音系統用於任何公共場所，要求播音員、表演者等在遠處或在大範圍內有足夠的聲音。典型的應用包括體育場館、公共交通車輛和設施，以及現場或錄製的音樂場所和活動。一個擴音系統可能包括多個麥克風或其他聲源，一個混合控制台來組合和修改多個聲源，以及多個擴音器和揚聲器來提高音量或擴大分佈。
公共廣播︱公共廣播系统︱公共廣播設備︱擴音機︱揚聲器︱咪︱麥克風︱廣播配件
Input: 2Mic & 1Aux With Wall Mounting Bracket. 4~16ohm Low Impedance Output. 170(W)x46(H)x144/176(D)..
Input:1Mic & 1mIC/Aux With Wall Mounting Metal Case & Door Lock, 4~8ohm Low Impedance Outputs, Size:..
Input: 1Mic & 1Mic/Aux With Wall Mounting Bracket. 4~8ohm Low Impedance Outputs. 220(W)x55(H)x160/19..
Input:1Mic & 1/MicAux With Wall Mounting Bracket, 4~8ohm Low Impedance Outputs, Size:160(W)x50(H)x15..
Deck-Top Chime Microphone. Built-in Mixer. DC12~24V #01 ..
2 Outputs(Line or Aux). BS Type Plastic Panel. DC12~24V ..
UK Type Plastic Panel. 2 Mic Inputs(Included Aux & MP3). Power:DC12~24V. Size:86(W)x86(H)mm #01 ..
2 Mic Inputs(Included Aux & MP3) & 1Aux Output, 4~8ohm Low Impedance Output, Power:DC12-24V, Size:97..
Input:5Mic & 1Aux With 4 Zone Speaker Selector, High/Low Impedance Outputs, Size:482(W)x145(H)x320(D..
Outputs:1～16 Zone. All/ Group Selection (2 Group ). Inputs: 2Unit. 482(W)x52(H)x352(D)mm #01 ..
DC24V. W/LED Display. Outputs:1～16 Zone. All/ Group Selection (2 Group ). Inputs: 2Unit. 482(W)x52(H..
Outputs:1～8 Zone. All/ Inputs: 1Unit. 310(W)x52(H)x175(D)mm #01 ..
Input: 1～8Mic 6.3mm Phone Jack & 9～10Mic Cannon Jack. Bass & Treble Control. CD/Tuner/Tape. 482(W)x5..
Input : 3 x Dynamic Microphone(600 Ohms) ..
Input: CD, MP3, Dynamic or Condenser Mic., Output: Aux. x 3, Mic. x 3, DC12V #01 ..
DC12V 1.5W. 6.3mm Phone Jack For Mic. Input & RCA Jack For Output #01 ..
AC230V or DC24V. 6.3mm Phone Jack For Mic. Input & RCA Jack For Output # 01 ..
3~5W. Stain-less Steel Panel. For PA System ..
30W. BS Type. Stain-less Steel Panel. For PA System ..
60W. BS Type. Stain-less Steel Panel. For PA System ..
