{"type":"product","schema_version":"1.0","item_id":"101556133131","canonical_url":"https://tw.bid.yahoo.com/item/101556133131","title":"美國原裝 Polk audio MONITOR 50 雙5.25吋 落地喇叭 看電影聽音樂的好選擇~","subtitle":null,"condition":"近全新","currency":"TWD","observed_at":"2026-07-27T02:21:36.738Z","current_price":8800,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y3433657199","name":"Y3433657199","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/c25c1137-e3c0-43c3-897d-389a7a05890c.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/654c0736-2ea2-4c17-9845-3cfd9f8f7aa4.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/cf16d0c3-8b29-43e5-bd08-bd119fab3a35.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/1176b93e-559e-412e-a863-c884f4a3a549.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/29ce3e93-de6b-4a27-b6fe-17bc67d6bf70.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/c9130675-240b-4a6e-9ca7-4a77a0b69610.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/5e6c1cde-4dc4-4d22-a749-e315e023c0b8.jpg","role":"detail","alt":"商品圖片 7","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/c2adfe72-03d7-4bc3-8195-45476d00e719.jpg","role":"detail","alt":"商品圖片 8","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/9f3a2872-82b5-496b-b2ed-b38c6f50d2e7.jpg","role":"detail","alt":"商品圖片 9","width":null,"height":null}],"description":"🔊 產品介紹 — Polk Audio Monitor 50Polk Audio Monitor 40 / 50 5.25\" Inch Woofer Speaker Rd‑5542（單支）\n美國原裝落地式 2-音路揚聲器，採用前置倒相孔（bass-reflex）設計，配備雙 5.25 吋中低音單體和 1 吋絲質高音單體，適合家庭影院與音樂播放。\n\n📊 主要規格（Key Specifications）規格項目詳細內容設計2-音路、倒相式（前置反射孔 Bass-Reflex）單體雙 5.25″ Dynamic Balance® 中低音單體；1″ 絲/高分子複合高音單體頻率響應約 42 Hz – 25 kHz（全範圍）/ 57 Hz – 24 kHz（-3 dB）靈敏度約 89 dB（1 W/1 m）阻抗標稱 8 Ω推薦擴大機功率20 – 150 W 每聲道尺寸（寬×高×深）約 178 × 889 × 245 mm重量約 11.8 kg（每支）\n\n🎬 為什麼它是看電影 & 聽音樂的好選擇？📌 寬廣頻率響應\n低頻達 ~42 Hz（在相對合理的空間可表現出較飽滿的低音），高頻延伸至 ~25 kHz，覆蓋電影與音樂大多數聲音細節。\n\n📌 中高音清晰、動態表現佳\n1″ 絲質高音單體讓對白與樂器高頻細節更清楚、更不刺耳。\n\n📌 落地式音箱設計\n比書架式更穩定的音場與更豐富的低頻響應，與 AV 擴大機或 Hi-Fi 聯機搭配效果更佳。\n\n📌 高功率兼容性\n20~150 W 推力範圍廣，能搭配多種擴大機／AVR 使用。\n\n📌 商品資訊僅供參考，以實際商品圖為準。\n\n \n\n注意:二手物品.收到之後有問題三天內請提出退換貨.否則恕無法辦理謝謝~\n \n\n \n\n2手商品一定有使用痕跡.請不要期望跟新品一樣.介意者物下標.謝謝\n\n物品2件包裝或回頭車運送約1000元","shipping_methods":[{"name":"大型/超重物品運送","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳"],"category_id":"2092075255","category_name":"主喇叭","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":"2092075254","name":"喇叭","url":"/tw/%E5%96%87%E5%8F%AD-2092075254-category.html"},{"id":"2092075255","name":"主喇叭","url":"/tw/%E4%B8%BB%E5%96%87%E5%8F%AD-2092075255-category.html"}],"view_count":10,"watch_count":3}