D300 - Earphones S.M.S.L - Free user manual and instructions
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| Product Type | In-Ear Earphones |
| Brand | S.M.S.L |
| Model | D300 |
| Driver Type | Dynamic |
| Driver Diameter | 10 mm |
| Impedance | 32 Ω |
| Sensitivity | 108 dB/mW |
| Frequency Response | 20 Hz - 20 kHz |
| Cable Length | 1.2 m |
| Connector | 3.5 mm gold-plated |
| Weight | 15 g (without cable) |
| Dimensions (Earpiece) | 30 x 20 x 18 mm |
| Power Handling | 5 mW (nominal), 10 mW (max) |
| Color | Black |
| Included Accessories | 3 pairs silicone ear tips (S/M/L), carrying case, user manual |
| Material | Aluminum alloy housing |
| Cleaning | Wipe gently with a soft dry cloth. Do not use liquids. |
| Safety | Avoid prolonged listening at high volume to prevent hearing damage. |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - D300 S.M.S.L
How do I clean the S.M.S.L D300 earphones?
Use a soft, dry cloth to wipe the earpieces and cable. For ear tips, remove and wash with mild soap and water, then dry thoroughly before reattaching.
Can I replace the cable on the D300?
Yes, the D300 features a detachable cable with a standard 0.78mm 2-pin connector, allowing easy replacement or upgrade.
What is the impedance of the D300 earphones?
The impedance is 32 ohms, making them easy to drive with most smartphones, tablets, and audio players.
Are the ear tips interchangeable?
Yes, the D300 comes with three sizes of silicone ear tips (S, M, L) to ensure a comfortable and secure fit. You can also use third-party tips with a standard 4mm nozzle.
Does the D300 have a microphone?
No, the standard cable does not include a microphone. It is designed purely for high-quality audio playback.
What devices are compatible with the D300?
Any device with a 3.5mm headphone jack, including smartphones, tablets, laptops, and audio players, is compatible.
How should I store the earphones when not in use?
Store them in the provided carrying case to protect against dust and physical damage. Avoid wrapping the cable tightly to prevent kinks.
What is the warranty period for the D300?
S.M.S.L offers a 1-year limited warranty against manufacturing defects. Contact your retailer or S.M.S.L support for assistance.
Can I use the D300 for monitoring or studio work?
Yes, with a neutral frequency response and good detail retrieval, the D300 is suitable for casual monitoring and critical listening.
Why is there no sound from one side?
Check the cable connection at the earpiece and source. Try reseating the cable. If the issue persists, the cable or driver may be defective; contact support under warranty.
User questions about D300 S.M.S.L
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USER MANUAL D300 S.M.S.L
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Product information
Brand : S.M.S.L
Model : D300
Category : Earphones