Metal double moving coil earphone with heavy bass and noise isolation for 3.5mm devices

This in-ear headphone is built around a double moving coil dynamic driver design that delivers emphasised low-end bass suited to music styles that rely on a strong rhythm. The 9.2mm NdFeB speaker provides a frequency response from 20Hz to 22kHz, covering the full audible range, with a sensitivity of 99±3dB for efficient volume from portable devices. The 32Ω impedance ensures compatibility with standard smartphone and computer headphone outputs. A built-in omnidirectional microphone with a sensitivity of -42dB±3dB allows clear voice capture for calls and voice commands, while the inline control module handles play/pause and answer/off functions.

Features and Construction

The earphones are designed for durability and a secure fit, using a metal shell and a cable with integrated controls. The in-ear form factor helps physically block some ambient sound, complementing the driver design for an immersive listening environment.

Material and Build

The earphone housings are precision machined from CNC zinc alloy, giving a dense, robust feel while maintaining a low overall weight of 15g. This metal construction adds durability compared to all-plastic alternatives, though the exact cable material is not specified. The in-ear tips create a snug seal to support noise isolation.

Size and Practical Fit

At only 15g per earpiece pair, the earphones are light enough for extended wear. The cable length is not stated, but the standard 3.5mm gold-plated plug fits most audio jacks. The earpieces are suited to users who prefer a secure in-ear fit for on-the-go listening or at a desk. Colour options are black or silver, matching common device finishes.

Uses and Placement

With a standard 3.5mm AUX connector and rated power handling (3mW nominal, 5mW max), these earphones pair with a wide range of audio sources. They are designed for general music listening, podcast playback, and hands-free calling, but not for professional studio monitoring.

Event or Professional Use

While not intended for critical audio work, the reliable metal construction and inline mic make them suitable for mobile professionals who need a basic headset for calls and audio during commutes or meetings. The noise-isolating shape helps improve voice pickup by reducing background sounds.

Everyday Home Use

At home or in the office, the 9.2mm driver provides enough volume and bass presence for casual listening on laptops, desktops, or tablets. The simple wired connection requires no charging or Bluetooth pairing, offering immediate audio when plugged in.

Benefits and Buying Value

Double moving coil drivers in affordable metal earphones are a straightforward way to get emphasised bass without a larger over-ear headphone. The in-line microphone adds call functionality without needing a separate headset.

Reuse and Low Maintenance

No batteries are required, so the earphones work indefinitely as long as the cable and connectors remain intact. Cleaning is limited to wiping ear tips and the metal housing with a dry cloth. The specified operating temperature range is -10C to +40C, covering typical indoor and moderate outdoor use.

Why Choose This Product

If you want a wired earphone with a metal shell, emphasised bass, and a built-in microphone for under a tenner (specific price not given), this model offers a no-frills solution. The double moving coil driver is its main differentiator, targeting users who prefer a punchy low-end sound signature.