旷世之声 QPM 便携式解码耳放

评测依据

• review_count：4500
• rating_avg：4.4
• brand_reputation：0
• merchant_count：0
• price_range：[1000,1999]
• dimension：best_value
• sources：["京东","天猫","什么值得买","小红书"]
• time_range：{"from":"2026-06-25 13:28:57","to":"2026-06-25 13:28:57"}
• intros：{"brand_intro":"旷世之声（Questyle Audio）成立于2012年，是中国高端音频品牌，以\"电流模放大技术\"闻名。创始人王丰硕是清华大学电子系博士，曾参与国家863计划音频项目。品牌核心优势在于自研\"True DSD\"架构和\"无电容耦合\"电路，可消除传统耳放的相位失真。旷世之声的品控采用军工级标准，每台设备经过振动和跌落测试。其产品多次获得CES创新奖，QPM是便携DAC领域的代表作。","product_intro":"旷世之声QPM定位高端便携DAC，主打\"电流模放大与超低失真\"。核心卖点包括双AK4490EQ DAC、自研\"电流模\"耳放电路（THD+N低至0.0003%）、3.5mm+4.4mm双输出，以及支持DSD256。适用场景为追求极致保真度的录音监听或Hi-Fi鉴赏。相比乐彼W2-131，QPM在失真指标上更优，但推力较小（平衡口仅280mW@32Ω）。","key_specs":{"DAC芯片":"双AK4490EQ（AKM经典芯片，动态范围123dB）","输出接口":"3.5mm单端 + 4.4mm平衡","平衡输出功率":"280mW@32Ω","解码能力":"DSD256 / PCM 32bit/384kHz","失真率":"THD+N 0.0003%（电流模技术）","体积重量":"约58×22×12mm / 20g"}}
• alt_products：[{"product_name":"旷世之声 QPM 便携式解码耳放","brand":"旷世之声","model":"QPM","price":1299},{"product_name":"艾巴索 DC-Elite 便携式解码耳放","brand":"艾巴索","model":"DC-Elite","price":1499},{"product_name":"乐彼 W2-131 便携式解码耳放","brand":"乐彼","model":"W2-131","price":1999}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":80.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价为\"声音最干净的便携DAC\"。优点：失真极低，声音透明无染，适合监听；做工精致，采用不锈钢拉丝面板；体积小巧。缺点：推力偏弱，无法驱动高阻抗耳机；价格较高，性价比一般；不支持MQA。专业评测（如《立体声》）认为其技术指标领先，但听感偏冷，不适合流行音乐。","source_count":4}},{"source":"objective","score":80.03102102102102,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.4,"price":1299,"wom_score":80.6}},{"source":"user_review","score":88,"weight":0.15,"confidence":1,"details":{"rating_avg":4.4,"review_count":4500,"source":"product_reviews_aggregate"}}]
• method_version：v2
• search_visual：null