Setup: Aiwa ESTM-138 Type-C Wired Earphones User Manual

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AIWA ESTM-138 Type-C Wired Earphones: Complete User Manual and Guide

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Introduction to AIWA ESTM-138 Type-C Wired Earphones

The AIWA ESTM-138 Type-C Wired Earphones deliver premium audio performance in a compact, lightweight design perfect for everyday use. Featuring a powerful 10mm dynamic driver, these USB Type-C earphones provide crystal-clear sound with deep bass and balanced highs across a 20Hz–20kHz frequency range. Ideal for music lovers, commuters, and professionals on the go, they offer hands-free calling via a built-in microphone and intuitive in-line remote controls for seamless playback management.

Key benefits include tangle-free 1.2m cords, ergonomic 30° angled earpieces for a secure fit, and metal housing for enhanced durability and bass response. Compatible with all Type-C-enabled smartphones, tablets, and laptops, these earphones excel in workouts, travel, or office calls. Available in silver, black, and blue, they come with multiple silicone eartips and a 1-year warranty. Priced affordably at around RM39–$10, the AIWA ESTM-138 Type-C Wired Earphones offer exceptional value compared to pricier wireless alternatives, making them a top choice for budget-conscious users seeking reliable wired audio solutions without Bluetooth hassles.

Technical Specifications of AIWA ESTM-138 Type-C Wired Earphones

Driver Unit: 10mm dynamic neodymium driver for high-quality stereo sound and powerful bass
Frequency Response: 20Hz–20kHz, ensuring full-range audio from deep lows to crisp highs
Impedance: 16Ω for efficient power use and clear output
Sensitivity: 105dB, delivering loud, detailed sound at low volumes
Cord Length: 1.2m (120cm) tangle-free, high-transparency cable with USB Type-C connector
Weight: Lightweight 13g design for all-day comfort
Microphone: Built-in high-sensitivity mic for clear hands-free calls
Controls: In-line remote – Single click: Play/pause or answer call; Double click: Next track; Triple click: Previous track; Long press: Reject call or voice assistant
Accessories: 3 pairs of silicone eartips (S/M/L), Velcro cable tie
Colors: Silver, Black, Blue

Compared to similar products like AIWA ESTM-128 (3.5mm plug) or ESTM-50USB-C, the ESTM-138 stands out with Type-C compatibility and metal earpiece housing for superior bass, while matching lightweight build and audio specs.

Remote Control

Make sure the volume of the music player is turned down before connecting your headphones. After connecting your headphones, gradually turn up the volume until you reach a comfortable listening level. Noise levels are measured in decibels (dB), exposure to any noise at or above 85 dB may result in hearing loss. Monitor headphone usage. Hearing loss is a function of loudness versus time. This is decibel (dB) table compares some common sounds and shows how they rank in potential harm to hearing.

Earphones Tempering
Upon usage of new earphones, we strongly recommend to temper it by playing music for a period of 100-200 hours at a medium volume level.

Physiology of the Ear
For additional information, refer to: Having the correct headphone side in the correct ear affects listening experience. Note the "L" and "R" markings on the side of each headphone. "L" is for the left ear. "R" is for the right ear. Excessive listening levels can cause permanent hearing damage. Avoid loud listening, especially for extended periods of time. Recommended listening time is not more than 90 minutes.

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Troubleshooting AIWA ESTM-138 Type-C Wired Earphones: Common Issues and Fixes

No Sound: Check Type-C connection, ensure device volume is up, and test on another device. Clean the plug and port for debris.
Poor Microphone Quality: Reposition the mic away from your mouth; test in a quiet environment. Update device audio settings.
One-Side Audio: Verify eartip placement (L/R markings); try different eartips or temper earphones by playing music 100-200 hours at medium volume.
Controls Not Responding: Use precise clicks: single for play/pause, double for next. Long press (2-3s) rejects calls.
Tangled Cord: Use included Velcro tie; store flat to prevent knots.

Prevent issues by avoiding high volumes (> 85 dB) to protect hearing—limit sessions to 90 minutes.

Pros and Cons of AIWA ESTM-138 Type-C Wired Earphones

Pros

Exceptional bass and clarity from 10mm drivers, outperforming budget earbuds in music and calls
Comfortable, secure fit with ergonomic design—ideal for long sessions or active use
Affordable price with a 1-year warranty, offering great value vs. wireless options like AIWA Connect Pro ($24.99)
Tangle-free cable and lightweight (13g) build enhance portability
Universal Type-C compatibility for modern devices

Cons

Wired design limits freedom compared to Bluetooth earbuds
No active noise cancellation, less ideal for noisy environments
Cord length (1.2m) may feel short for some laptop users
Build quality is average; plastic elements prone to wear over time

Overall, strong value for money at entry-level pricing, best for wired audio enthusiasts seeking reliability over premium features.

Customer Reviews: Real User Feedback on AIWA ESTM-138 Type-C Wired Earphones

Average rating: 4.5/5 stars from Shopee and Aiwa sites. Users praise the "punchy bass and clear vocals" for music streaming, with one testimonial noting, "Perfect for my Type-C phone—better than stock earbuds!" Common praises include comfort during workouts and reliable mic for calls. Frequent recommendations for budget buyers: “Great alternative to expensive brands.”

Complaints focus on occasional one-sided audio (fixed by eartips) and a short cord. Most issues resolved via tempering. 90% recommend for daily use, highlighting durability and sound quality over competitors.

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Faqs

How do I set up aiwa ESTM-138 Type-C Wired Earphones for the first time with my Android phone?

To set up your **aiwa ESTM-138 Type-C Wired Earphones**, plug the USB Type-C connector directly into your Android phone's port. Check 'L' and 'R' markings for proper ear placement. Turn down the device's volume before connecting, then gradually increase to a comfortable level. Use included silicone eartips for a secure fit—try different sizes if needed. Test the in-line remote: single click for play/pause, double for next track. Play music at medium volume for 100-200 hours to temper the 10mm drivers for optimal bass performance.

What should I do if aiwa ESTM-138 Type-C Wired Earphones have no sound after connecting?

If your **aiwa ESTM-138 Type-C Wired Earphones** produce no sound, first ensure the USB-C plug is fully inserted and clean of debris. Lower your device's volume before plugging in, then raise it slowly. Verify audio output is set to the earphones in device settings, not speakers. Test on another Type-C device for compatibility. Check eartips for proper seal and 'L/R' placement. If issues persist, inspect the 1.2m tangle-free cord for damage and contact Aiwa support for warranty claims.

How do I use the remote controls on aiwa ESTM-138 Type-C Wired Earphones during calls and music?

The **aiwa ESTM-138 Type-C Wired Earphones** feature an in-line remote with microphone for easy control. Single click to play/pause music or answer calls. Double-click for next track, triple-click for previous. Long press (2-3 seconds) rejects calls or activates Siri/Google Assistant. The built-in high-sensitivity mic ensures clear hands-free calls. Position the remote conveniently on the 1.2m cord. These controls work seamlessly with compatible Type-C Android devices for intuitive music playback and call management.

Which devices are compatible with aiwa ESTM-138 Type-C Wired Earphones?

**aiwa ESTM-138 Type-C Wired Earphones** are compatible with USB Type-C equipped devices like most modern Android smartphones, tablets, and laptops without a 3.5mm jack. They deliver 20Hz–20kHz frequency response and 105dB sensitivity via direct plug-in. Not suitable for iPhones without Type-C or devices needing adapters. Ensure your device supports USB-C audio output. The 16Ω impedance and gold-plated connector ensure reliable connectivity for high-quality stereo sound and mic functionality across supported gadgets.

How can I optimize sound quality and bass on aiwa ESTM-138 Type-C Wired Earphones?

To optimize **aiwa ESTM-138 Type-C Wired Earphones**, select the correct silicone eartips for a tight seal, enhancing the 10mm neodymium drivers' powerful bass. Temper new earphones by playing music at medium volume for 100-200 hours. Adjust your device's equalizer for bass boost in music apps. Keep volume below 85dB to protect hearing and maintain clarity across 20Hz–20kHz range. Avoid extreme volumes; the ergonomic 30° angle design ensures secure fit for immersive hyperbass during workouts or daily use.

How do I clean and maintain aiwa ESTM-138 Type-C Wired Earphones to extend their lifespan?

Maintain your **aiwa ESTM-138 Type-C Wired Earphones** by gently cleaning earbuds with a dry microfiber cloth after use—avoid liquids. Wipe the USB-C plug and in-line remote to prevent dust buildup. Store the 1.2m tangle-free cord using the included Velcro belt to avoid kinks. Replace eartips if worn for hygiene and sound seal. Avoid extreme heat or pulling the cord. Regular care preserves the 13g lightweight build, metal housing, and 1-year warranty for long-term reliable Type-C audio performance.

Why is one side quieter on my aiwa ESTM-138 Type-C Wired Earphones and how to fix it?

If one side is quieter on **aiwa ESTM-138 Type-C Wired Earphones**, check eartip seal and swap sizes for balance. Confirm 'L' and 'R' markings are correctly placed. Clean earpiece openings of earwax with a soft brush. Test volume balance in device settings and try another app. Inspect cord near the Y-split for pinches. If unresolved, the 10mm driver may need tempering—play mono audio evenly for 50 hours. Persistent issues warrant warranty service for the 16Ω impedance stereo setup.

Can I use aiwa ESTM-138 Type-C Wired Earphones while exercising or for gaming?

Yes, **aiwa ESTM-138 Type-C Wired Earphones** suit light exercising and gaming thanks to the secure ergonomic 30° angle fit and lightweight 13g design with multiple eartip sizes. The tangle-free 1.2m cord and metal housing withstand movement, delivering powerful bass via 10mm drivers. For gaming, low 16Ω impedance ensures responsive audio. Secure with included Velcro belt when not in use. Avoid intense sweat exposure; wipe dry post-workout to protect mic and USB-C connector for reliable hands-free calls and immersive sound.