Key Specifications
Specification | Value |
Model | SIMGOT EA500LM |
Driver Configuration | 10mm Dual-Magnet Dual-Cavity Dynamic Driver |
Diaphragm Material | Lithium-Magnesium Alloy Dome Composite Diaphragm |
Shell Material | High-Density Alloy Metal Cavity with CNC Fine Engraving & Chrome Finish |
Tuning Mechanism | 3 Interchangeable Brass/Stainless Steel Acoustic Nozzles (Red Ring, Black Ring, Blue Ring) |
Frequency Response | 10 Hz – 50 kHz |
Effective Frequency Response | 20 Hz – 20 kHz (IEC60318-4) |
Sensitivity | 128 dB/Vrms (@1kHz, Red Ring Stainless Steel Nozzle) 125 dB/Vrms (@1kHz, Black Ring Brass Nozzle) |
Impedance | 21 Ω ± 15% (@1kHz) |
THD+N | THD < 0.1% (@1kHz, 94dB) |
Cable Connector | 0.78mm 2-Pin |
Cable Material | High-Purity Silver-Plated Oxygen-Free Copper (OFC) Cable |
Plug Type | 3.5mm Single-ended |
Compatibility | Universal 3.5mm audio sources, smartphones, DAC/Amps, DAPs |
Introduction
The SIMGOT EA500LM is a single-dynamic-driver IEM designed for listeners who want a detailed, energetic sound without spending heavily on a multi-driver flagship. Originally positioned around the $90 price range, it combines a 10mm second-generation lithium-magnesium dynamic driver with a dual-magnetic-circuit, dual-cavity structure and three interchangeable tuning nozzles.
The EA500LM’s sound is built around strong sub-bass depth, clean mids, and an energetic upper range. Rather than delivering an overwhelmingly bass-heavy presentation, it uses controlled mid-bass and deeper sub-bass extension to create impact while keeping vocals and instruments relatively clear. This makes it particularly enjoyable for pop, rock, electronic music, and other recordings that benefit from strong dynamics and treble detail.
Its biggest strength is technical performance for the price. The EA500LM offers good resolution, separation, bass texture, and transient response while remaining easy to drive from phones, laptops, or compact USB dongle DACs. A dedicated amplifier is generally unnecessary, making it a practical choice for portable listening.
The main limitation is its treble. The energetic upper frequencies add clarity, sparkle, and perceived detail, but they can also become sharp or sibilant with bright recordings. Listeners who are sensitive to treble may find the EA500LM less comfortable during long sessions. The interchangeable nozzles provide some flexibility, although they do not completely change its fundamental character.
Overall, the SIMGOT EA500LM is best suited to listeners who value clarity, deep sub-bass, lively treble, and strong technical performance at an affordable price. It is less suitable for those seeking a warm, relaxed, bass-heavy, or extremely smooth presentation.
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