{"type":"product","schema_version":"1.0","item_id":"100099214195","canonical_url":"https://tw.bid.yahoo.com/item/100099214195","title":"YAMAHA P4050專業監聽級四音路獨立擴大機* 8歐姆x140W雙聲道*","subtitle":null,"condition":"近全新","currency":"TWD","observed_at":"2026-07-31T09:45:54.862Z","current_price":4000,"original_price":"6000.00","stock_status":"low_stock","available_quantity":3,"sold_quantity":0,"seller":{"id":"Y0517427547","name":"Y0517427547","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/a8c0ea17-7407-49b7-967d-afcc506b4ef8.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/c70eaccf-c57e-4de5-8586-813103c5dc08.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/8a01182b-d11b-4c73-879d-34f7c3c7a872.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/f960c42b-8b7b-4ccb-8695-ad3bdf1a15fc.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"二手YAMAHA P4050專業監聽級獨立四音路(1.2.3.4.聲道)擴大機.* 8歐姆x140W雙聲道* 功能正常.外觀品相不美.可自由調整成1CH*2CH*3CH*4CH.功率輸出.現場測試.自取.  \n\n出力は (\n4CHモード 50W+50W+50W+50W（8Ω） 4路モード50W + 50W + 50W + 50W（8Ω） \n70W+70W+70W+70W（4Ω） 70W + 70W + 70W + 70W（4Ω） \n2CHモード 140W+140W（8Ω） 2CHモード140W + 140W（8Ω） \n3CHモード 140W+50W+50W（8Ω） 3CHモード140W + 50W + 50W（8Ω）   \n\n          ※ 下標前 請看關於我 *本店實體店面 由37年次的LKK以最誠信的態度經營.非專業.知識有限.如描述有誤請諒解.本賣場有實體店面.本店周休二曰.如須看貨.面取请先電约時間※二手賣場商品無法完美.價値每人認定無法相同.都可出價.合理就賣.歡迎議價※二手商品無法完美.要求高者請勿購買.問清楚狀況,遵守双方買賣約定.保障權益.能接受才買.※本賣場所刊商品都是自家實體店面呈列販賣物品.隨時都可能於店內售出.故請下標前查詢或查問商品狀况有無售出。","shipping_methods":[{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳"],"category_id":"2092075251","category_name":"後級擴大機","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":"2092075251","name":"後級擴大機","url":"/tw/%E5%BE%8C%E7%B4%9A%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075251-category.html"}],"view_count":5,"watch_count":33}