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

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 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.[1][2][5]

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.[1][2][3]

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 plug and port for debris.
Poor Microphone Quality: Reposition mic away from mouth; test in 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.[3]
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 (>85dB) to protect hearing—limit sessions to 90 minutes. For warranty claims (1-year), contact Aiwa support via aiwaeurope.com or local retailer like Shopee. No specific error codes; persistent problems indicate defect—return within warranty.[1][2][3]

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 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 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.[1][2][5][8]

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."[1][5]

Complaints focus on occasional one-side audio (fixed by eartips) and short cord. Most issues resolved via tempering. 90% recommend for daily use, highlighting durability and sound quality over competitors.[1][2][3]

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