Why soldering affects headphone sound quality? secrets of communication headset assembly
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When we use the voice headset, the sound quality is clear, stable signal is the most basic needs. But many people do not know, the quality of the solder inside the headset, directly affecting the sound transmission effect.
1. Solder is the "bridge" of the audio signal
Headphones internal wires, diaphragms, plugs and other components, all need to be connected through the solder. If the welding is not solid or poor material, will lead to:
- Poor contact: intermittent sound, or even one-sided no sound.
- Signal loss: deterioration of sound quality, loss of high-frequency details, muffled sound.
- Noise interference: oxidization of the soldering point or false soldering, which may produce "ZiZi" current sound.
2. good solder vs bad solder, what is the difference?
- High-quality solder: high tin content (such as lead-free tin Sn96.5% + Ag3%), good conductivity, strong oxidation resistance, long-term stability.
- Poor quality solder: contains lead or impurities, easy to oxidize, may crack after a long time, resulting in poor contact.
3. Why do professional voice headsets pay more attention to the soldering process?
- Long time use: customer service, call center headsets are used more than 8 hours a day, the solder joints must be fatigue-resistant.
- Clear call requirements: poor soldering will lead to unclear microphone pickup, affecting call quality.
- Durability requirements: frequent plugging and unplugging or bending of the wire, soldering firmly in order to avoid wire breakage.
4. How to determine whether the headset soldering is reliable?
- Listen to the sound quality: if the left and right ear sound imbalance, or occasional murmurs, may be a welding problem.
- Look at the process: regular brand headset soldering point rounded and smooth, inferior products may be rough solder, burrs.
- Try durability: gently bend the root of the headphone cable (near the plug or unit), if there is poor contact, indicating poor welding.
5. Tips: How to extend the headphone soldering life?
- Avoid pulling the headphone cable violently.
- Try to choose headphones with an in-line or reinforced design to reduce the force on the solder joints.
- If the headset is making a noise, try gently pressing on the plug or split wire, which can sometimes temporarily fix poor contact.
Critical soldering areas
Keywords: Stereo headphones, over ear headphones mic, noise cancelling headphones with mic, wired headphones with mic, headphones, call center headsets
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