This recommendation for the Audirect Beam 4 boils down to minimal suggestions with a focus on precision. When driving various portable earphones like dynamic drivers, electrostatics, and balanced armatures, the low gain already provides ample sound pressure for a pleasant listening experience. Despite trying numerous earphones, dynamics haven't posed any issues during my testing. However, with full-sized headphones using the 3.5mm single-ended output, they might sound slightly weak without switching to high gain. Take the Hidizs MS1 Athena, for instance, requiring transient impact and dynamic control support; switching to the 4.4mm balanced output resolves these concerns effortlessly.
The solid audio design of the Beam 4, featuring dual op-amps, independent grounding, and high-end components like femtosecond oscillators out of the three crystal oscillators, sets a high standard. Supporting MQA, DSD512, and other audio sources, alongside the premium ESS9281AC PRO flagship chip, the Beam 4's architecture is meticulously built for top-tier sound performance.
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請準備好你購買時的發票,產品序列號或保用卡(如有),並與我們聯絡。
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在保用範圍外的維修,需因應情況報價。
以下為部分維修收費參考:
・更換原裝插頭或插針(2.5mm/3.5mm/0.78 2pin/MMCX):$140
・更換原裝4.4mm插頭:$180
・新增或移除熱縮管: $30
・保用期後檢查費: $100/每次
・遺失及補回單邊耳機:耳機零售價的50%
・停產產品需於保用期後換新, 可以新品零售價6折購買
・訂製耳機過保用期維修需付來回運費$400,另外由廠報價維修
視乎品牌方情況,需時一星期起。
・PW Audio及 Ego Audio 買家可以產品零售價之5%(上限$500) 延長半年(原為1年保用期之產品)/ 3個月(原為6個月保用期之產品)保用
・每件產品只可延長一次保用期
・如過保延保,延長期以保用期到期日起計,而非續保日起計。(例子:耳機線產品保用期到2021年1月1日,2021年2月23日來延保,延長期由2021年1月2日起計1年。)
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