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JVC HAFX7G Green in-ear headphones

SKU CH-ESNW-FAYEW

Wired in-ear headphones with 16 ohm impedance, 100 dB sensitivity and three silicone tip sizes for a secure fit

  • Frequency range20000 Hz
  • Headphone styleIn Ear
  • Impedance16 ohms
  • Signal-to-noise ratio100 decibels
  • Audio sensitivity100 decibels
  • Connection3.5 mm
  • Powerful sound with deep bass and clean treble
  • Comfortable secure fit with three silicone ear-tip sizes
  • 3 ft cable ending in a 3.5 mm plug for wide compatibility
  • Lightweight design at 0.07 pounds for all-day wear
  • Passive sound isolation blocks ambient noise

JVC HAFX7G Green in-ear headphones

Wired in-ear headphones with a 3.5 mm connector and 16 ohm impedance. Frequency response reaches 20000 hertz and sensitivity is rated at 100 decibels. Weighing 0.07 pounds, they include small, medium and large silicone ear tips for a secure fit. A 3.3 ft cable ends in a standard headphone jack for broad device compatibility.

Wired 3.5 mm connection limits

The analogue 3.5 mm plug requires a matching socket on the playback device; many modern phones omit this port. No internal power supply means volume and dynamic range depend entirely on the source output. Passive sound isolation blocks some ambient noise but cannot cancel low-frequency rumble like active systems.

Simple plug-and-play installation

Insert the chosen ear tip size until it seals the ear canal, then connect the 3.5 mm plug to the device. Common issues include selecting a tip that is too small, which reduces bass and isolation, or routing the 3.3 ft cable where it catches on clothing. The in-line remote may not control volume on every operating system.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 90% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameJVC
Model nameHAFX7G
Part numberHAFX7G
Product typeIn-Ear
Product colorGreen
Audio & video
Frequency range20000 Hz
Headphone styleIn Ear
Impedance16 ohms
Signal-to-noise ratio100 decibels
Audio sensitivity100 decibels
Wearing styleSingle Ear
Noise cancellationSound isolation
Mic impedance16 ohm
Mic frequency response20000 Hz
Mic signal-to-noise ratio100 decibels
Mic sensitivity100 decibels
Ports & slots
Connection3.5 mm
Power
Power supplyNo
Size & build
Product weight0.07 lb (0.03 kg)

Questions about this item

Which ear-tip size should I pick from the small, medium and large set?

Try the medium tips first, then swap to large for more bass isolation or small if the fit feels loose; all three pairs are included in the box.

What does the 100 dB sensitivity mean when I plug these into my phone?

At 100 dB/mW the drivers reach loud listening levels from a typical smartphone output without needing an extra amplifier.

What does the 3.5 mm connector limit in daily use?

The 3.5 mm jack works with any device that still has a headphone socket, but it cannot carry a digital signal or remote commands on phones that lack the analog port.

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