你想問的都在這｜汽車音響、配件常見問題(FAQ)解答

主機沒有 RCA 輸出，可以安裝功放嗎？

可以。可使用「高電平轉接器」將主機的喇叭輸出轉成 RCA 輸出訊號給功放使用。

喇叭線與 RCA 音源線有什麼差別？

喇叭線傳高電平訊號給喇叭，RCA 線傳低電平訊號給功放。

主機喇叭線可以直接接功放嗎？

不建議。若功放沒有高電平輸入不建議。若功放沒有高電平輸入，請使用高電平轉接器。就是把主機喇叭輸出(大訊號轉成小信號)。

高電平轉接器會影響音質嗎

便宜的轉接器會影響音質，建議用高品質產品或內建RCA輸出。

為什麼功放啟動時會有「啵」一聲？

這是啟動電流造成的瞬間音爆。可用延遲啟動模組解決。

功放安裝在哪裡比較好？

常見位置：座椅下方、椅背後、後車廂。重點是通風與固定安全。

功放過熱會怎樣？

可能自動斷電或音質變差，甚至損壞。要注意散熱空間與通風。

什麼是橋接功放？用途是什麼？

橋接是將兩聲道合併成單聲道輸出，運用擴大器R(右聲道+)，L(左聲道-)增加功率大約1.6倍.不要超過擴大機最小負載，常用來推低音喇叭。

線材怎麼選？粗細重要嗎？

電源線太細會降低電壓，減少電流，影響功率。瓦數越高，線越粗。

為什麼音響有雜音或電流聲？

可能是地線不良、最常發生是電源線與訊號線交疊干擾，採取電源線，訊號線分開佈線或器材品質差。建議檢查接地與線材品質。

哪種音源線比較好？

選有屏蔽層、抗干擾的雙絞線 RCA，避免車內雜訊干擾。

主機的 REM 線是做什麼用的？

REM 線主機輸出啟動控制線，主機開機後會送 12V 給擴大器

主機、功放、喇叭要如何搭配？

擴大器功率應略大於喇叭承受瓦數，主機輸出要對應 RCA 或高電平。

換了主機後音質會變好嗎？

會，尤其是換成有 RCA 輸出的主機，訊號更乾淨、失真更低。

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