ifi Audio Go Link 是一款耳機擴大機,為可隨身攜帶的 USB DAC 耳擴。
ifi Audio 來自英國 Southport,致力於聲音科技、技術研發。為了讓人們得以以更加純粹的方式聽到聲音原本的樣貌,開發許多小型甚至隨身型的聲音處理工具,例如能夠接上攜帶型電子設備的 DAC - Go Link / Go Blu。
首先,他能連接有線耳機及耳罩式耳機至沒有配置 3.5mm 的輸出裝置。
第二,即便您的輸出裝置備有耳機孔,go link 依舊配有強大的聲波升級,這是因為他備有複雜的轉換器 (Digital to Analog Converter),且他的放大器電路表現優於電腦或其他設備裡存有的音訊處理器。

Go link 的一端是 USB-C 接口,另一端則是轉換器 (DAC) 及耳機放大器電路,兩者的外面都用堅固且輕巧的鎂合金外殼包裹住。
兩者的中間則連接著柔性電纜,允許轉換器及音訊放大器可以朝向聆聽者,又能夠減少 USB 接口連接時的壓力。
將 GO link 兩端連接在一起的電纜採用雙絞線配置,分別使用鍍銀銅導體和單獨的聚合物絕緣體。
這種扭轉的設置有助於優化電感及電容,也有助於抑制噪音。
防止 GO link 的表現受到附近電源所產生的電磁干擾。沒有失真意味著您可以不受干擾的盡情享受。
在 GO link 的核心是來自 ESS Technology 的 Sabre HiFi series 系列裡高性能的 DAC (數模轉換器) 芯片,ES9219MQ/Q 受益於 32 位元 HyperStream III 的架構。
這結合了 Quad DAC+ 和時脈抖動消除器技術,加上我們使用專用時鐘電路同步脈衝電路,提供了出色、真實、清晰、令人印象深刻的動態範圍。
由於 DAC (數模轉換器) 芯片高級的規格,實現了例如 DRE (動態範圍增強) 的可調增益,及最小化 THD (總諧波失真) 及串音干擾。
也可以下載軟體在數字濾波器中做選擇。
與其他耳機轉接孔不同,GO link 不依賴數位設備中軟體內的音量控制,這會嚴重影響音頻分辨率,相反,在連接設備上調整音量可以控制 GO link 的 DAC (數模轉換器) 音量,而不是調整手機、電腦或平板的音量。
這種基於硬體的音量調整則是另一種有助於 GO link 提供卓越聲音性能的功能。
擁有小巧的尺寸及親民的價格的 GO link,也同時擁有令人印象深刻的高分辨率音訊證書。
LED 燈會依照傳入的 PCM、DSD、MQA,或是 PCM/DSD 採樣率及音訊格式而改變。
GO link 的耳機放大器為鍍金的 3.5 毫米耳機輸入孔,採用我們的 S 平衡配置以減少噪音及串擾。
它為 32ohms 提供 70mW 的輸出功率,為 600ohms 提供最大 2.05V 的電壓輸出。
這使它有足夠動力驅動可能與 GO link 一起使用的頭戴式耳機或耳塞式耳機,並輕鬆超越任何智慧型設備或電腦所提供的內置耳機輸出。

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