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| Position: Chinese Standard in English/JJF 2390-2026 |
| JJF 2390-2026 Test Specification of Sound Attenuation of Active Noise Reduction Earphones (English) | |||
| Standard No.: | JJF 2390-2026 | Status: | to be valid remind me the status change |
| Target Language: | English | File Format: | |
| Word Count: | 14000 words | Translation Price(USD): | 420.0 remind me the price change |
| Implemented on: | 2026-10-2 | Delivery: | via email in 1~5 business day |
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| Standard No.: | JJF 2390-2026 |
| English Name: | Test Specification of Sound Attenuation of Active Noise Reduction Earphones |
| Chinese Name: | 有源降噪耳机声衰减测试技术规范 |
| Professional Classification: | JJ Metering |
| Source Content Issued by: | SAMR |
| Issued on: | 2026-04-02 |
| Implemented on: | 2026-10-2 |
| Status: | to be valid |
| Target Language: | English |
| File Format: | |
| Word Count: | 14000 words |
| Translation Price(USD): | 420.0 |
| Delivery: | via email in 1~5 business day |