{"type":"product","schema_version":"1.0","item_id":"101634253608","canonical_url":"https://tw.bid.yahoo.com/item/101634253608","title":"美國 Schiit Jotunheim，XLR平衡輸出、耳擴、USB、DAC前級擴大機 - 霧銀色 - 優質二手","subtitle":null,"condition":"近全新","currency":"TWD","observed_at":"2026-05-01T12:58:04.315Z","current_price":13700,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y3738917376","name":"iGi-Lo 3C小舖","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/ba17534f-cf7b-45bf-be72-97146817fc1d.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/79579587-9f03-42e3-8a18-b40d7a4aeaf0.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b279fe6a-3ae3-4998-8022-750d2373f6a4.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/2666952f-8c64-4ddd-ae7b-226963c25590.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/a210cea6-1150-4d92-8e1f-d61cc10546d8.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/bffa5cea-01bc-4cdd-8e3c-d3e7372f1400.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/41d664f7-9b01-4291-86bb-461a86f89f21.jpg","role":"detail","alt":"商品圖片 7","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/7973f757-8e68-4676-a8b0-ce3e11e46eac.jpg","role":"detail","alt":"商品圖片 8","width":null,"height":null}],"description":"DAC + 前級訊號放大 + 全平衡式耳擴 ; All in one 桌上型一體機\n新品拆封展示機，以優質無保固之二手價格處理！\n\n無原紙盒、僅有 : 主機 + 電源線\n\n-------------------\n\n功放：\n頻率響應：20Hz-20Khz，-0.1db，2Hz-700KHz，-3dB\n\n平衡耳機輸出：\n最大功率16歐姆：7500mW\n最大功率，32歐姆：5000mW\n最大功率，50歐姆：3000mW\n最大功率，300歐姆：900mW\n最大功率600歐姆：500mW\n\n單端耳機輸出：\n最大功率，16歐姆：2500mW\n最大功率，32歐姆：1500mW\n最大功率，50歐姆：800mW\n最大功率300歐姆：350mW\n最大功率，600歐姆：175mW\n\n總諧波失真（THD）：<0.001％，20Hz-20KHz，1V RMS\nIMD：<0.0015％，CCIR\nSNR：> 109db，A加權，參考1V RMS\n串擾：> -70dB，20 Hz-20KHz\n輸出阻抗：兩種增益設置下均小於0.1歐姆，平衡或SE\n增益：2（6dB）或8（14dB），可通過前開關選擇\n輸入：平衡XLR和單端RCA，可通過前部開關選擇\n輸出：平衡耳機（4針XLR），單端耳機（1/4” TRS），平衡線路前置放大器，單端線路前置放大器\n可選輸入：AK4490平衡USB DAC或無源MM唱頭\n增益級：專有的Schiit Pivot Point™完全離散的差分電流反饋拓撲\n電源：一台48VA變壓器，具有6級離散或集成調節，總濾波電容超過70,000uF\n\n-----------------------\n\n內建的雙AK4490 DAC：\nUSB輸入接收器：C-Media CM6631A\nD / A轉換IC：AK4490 x 2\n模擬輸出：全差分，無源求和和無源濾波\n頻率響應：20Hz-20KHz，+/- 0.1dB，2-100kHz，-3dB\n最大輸出：2.0V RMS\n總諧波失真（THD）：<0.0015％，20Hz-20KHz，滿量程\nIMD：<0.002％，CCIR\n信噪比：> 106dB，參考2V RMS，未加權\n\n-----------------------\n\n到貨\n\n此乃網拍現金價，刷卡須加%、開發票 + 8%\n\n信用卡一次刷+2%、分3期 +3%、6期 +3.5%、12~24期 +6%手續費","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清"],"category_id":"2092107941","category_name":"耳機擴大機","breadcrumb":[{"id":"2092101502","name":"家電與影音視聽","url":"/tw/%E5%AE%B6%E9%9B%BB%E8%88%87%E5%BD%B1%E9%9F%B3%E8%A6%96%E8%81%BD-2092101502-category.html"},{"id":"2092105885","name":"影音/視聽/MP3","url":"/tw/%E5%BD%B1%E9%9F%B3-%E8%A6%96%E8%81%BD-MP3-2092105885-category.html"},{"id":"2092075249","name":"擴大機","url":"/tw/%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075249-category.html"},{"id":"2092107941","name":"耳機擴大機","url":"/tw/%E8%80%B3%E6%A9%9F%E6%93%B4%E5%A4%A7%E6%A9%9F-2092107941-category.html"}],"view_count":25,"watch_count":5}