{"type":"product","schema_version":"1.0","item_id":"100492105146","canonical_url":"https://tw.bid.yahoo.com/item/100492105146","title":"【賽門音響】現貨供應 Yamaha RX-A4A 7.2聲道 8K環繞擴大機(公司貨)","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-07-29T18:26:24.999Z","current_price":54000,"original_price":null,"stock_status":"out_of_stock","available_quantity":2,"sold_quantity":2,"seller":{"id":"Y9919206645","name":"【賽門音響】音響精品","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/2b38e8a0-5361-4368-8965-96b3051c59aa.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/413ccd98-f98f-4ec9-9bd0-b0c2be95ef6b.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/e67eee44-c709-42df-b9e0-08c9d9f7dde8.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/87390a03-2e88-48ec-a44c-d93f362656a4.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"全新 Yamaha RX-A4A 7.2聲道 8K環繞擴大機公司貨，歡迎高雄自取面交。\n\nYamaha RX-A4A重要特點\n\n本機為7.2聲道環繞擴大機\n\n搭載高通64bit DSP數位處理晶片\n\n提供YPAO 3D自動音場校正功能\n\n新提供YPAO：Low Frequency檔位\n\n提供多檔Cinema DSP 3D音場模式\n\n支援Surround:AI智慧音場模式\n\n改良版的A.R.T. Wedge防振技術\n\n支援Spotify、AirPlay2串流功能\n\n支援Yamaha招牌MusicCast\n\n支援8K/60P等高規格影像通過\n\n規格參考：\n\n●型式：7.2聲道環繞擴大機\n\n●輸出功率：110W（20Hz~20kHz, 0.06%THD, 8Ω,2ch）、135W（1 kHz,0.9%THD, 8Ω,1ch）\n\n●輸出入端子：HDMI 7進3出（HDMI2.1）、光纖音訊2入、數位同軸1入、類比音訊4入（包含Phono）、7.2前級輸出、耳機輸出、網路連接埠、USB輸入 \n\n●DSP音場模式：提供24種，並提供Surround:AI\n\n●支援音效格式：MP3 / WMA / MPEG-4 AAC、ALAC: up to 96 kHz / 24-bit、FLAC: up to 384 kHz / 24-bit、WAV / AIFF: up to 384 kHz / 32-bit、DSD: up to 11.2 MHz \n\n●電源：AC 110~120V, 60Hz \n\n●尺寸（W.H.D.）：435×191×442mm \n\n●重量：16.2公斤","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"宅配/貨運","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":"2092075253","category_name":"環繞擴大機","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":"2092075253","name":"環繞擴大機","url":"/tw/%E7%92%B0%E7%B9%9E%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075253-category.html"}],"view_count":3,"watch_count":12}