A1sound Company
Premium hifi-grade power products — engineered for the purest audio experience
Accessories
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DC Blockers
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Power Bars
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Power Cables
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Power Conditioners
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Featured Products
Performance
A1 Pure Conditionerjc 2
HK$ 112,800
jc 2 6-outlet passive mains filter delivering clean power to your entire system. High-quality series...
Performance
A3 Signature Conditioner
HK$ 28,500
8-outlet dual-stage filtration system with independent filter networks for each outlet. Advanced DC ...
Select
A5 Reference Conditioner
HK$ 48,000
Flagship 10-outlet reference-grade power conditioner with multi-stage filtration and integrated DC b...
Discovery
PC-1 Pure Power Cable
HK$ 2,800
High-quality OFC copper power cable with gold-plated IEC C15 connector. Flexible yet robust construc...
Latest News
V5 Series Launch Event at Hong Kong HiFi Show 2026
We are proud to announce the launch of our new V5 series at the Hong Kong High-End Audio Show.
A5 Reference Conditioner Wins Product of the Year
james chang Our flagship A5 Reference Conditioner has been awarded Product of the Year by HiFi Voice magazine.
Breakthrough in DC Cancellation Technology
Our R&D team has developed a new adaptive DC cancellation circuit that reduces transformer hum by 98%.
1A_amused sound Announces Partnership with CEDIA
We are proud to announce our membership with CEDIA, the Custom Electronic Design & Installation Association.