{"type":"product","schema_version":"1.0","item_id":"100442546421","canonical_url":"https://tw.bid.yahoo.com/item/100442546421","title":"[音響二手屋] 超輕量 大功率 4聲道 D類擴大機","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-27T18:16:45.652Z","current_price":27500,"original_price":null,"stock_status":"low_stock","available_quantity":2,"sold_quantity":0,"seller":{"id":"Y2079466544","name":"音響二手屋","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/2af1a98b-c989-4d0f-9ba2-8177f7eb988f.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/fb12d16e-ae24-4ab8-843d-fbbb5d72cfae.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/c426e3ad-f0aa-42a0-8d50-dd2c31d898db.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"超輕量 大功率 4聲道 D類擴大機\n\n全音域四聲道 D類放大器，這台微小的放大器配備了全範圍音域，提供了驚人的每聲道1200瓦到4歐姆。\n\n每聲道獨立音量旋鈕控制，這麼大的功率，經然可以塞在這樣的小機殼裡，並且只有兩公斤重。\n\n產品規格\n@ 8 Ω 600W RMS x 4聲道\n@ 4 Ω 1200W RMS x 4聲道\n@ 2 Ω 2400W RMS x 4聲道\nTHD 總諧波失真：\nPo = 1 W at THD = 0.06%\nPo = 1200W at THD = 10%\n輸入靈敏度與阻抗：(-10db) 200 mV / 47 kΩ ( \n頻率響應：Max: +/-3 dB (80 Hz to 20 kHz)\n功率轉換效能：η= 88%\n信號 / 雜音比：> 90 dB\n揚聲器阻抗：2Ω - 8Ω\n一般功率消耗：12 W\n最大功率消耗：120W\n電源：AC 110V ~ 240V\n尺寸 (mm)：135(W) x 80(H)含腳墊 x 330(D)\n重量：2080g\n\n可至YOUTUBE 搜尋：羅莎音響 超輕量化 D類擴大機  可以看到測試影片","shipping_methods":[{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"},{"name":"宅配/貨運","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":0,"watch_count":5}