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7Hz Legato 2DD HiFi In Ear Monitor Dual Dynamic Driver Earphone IEM with Detachable OCC 0.78mm 2Pin Cable Pre-order 7-10 Days

7Hz Legato 2DD HiFi In Ear Monitor Dual Dynamic Driver Earphone IEM with Detachable OCC 0.78mm 2Pin Cable Pre-order 7-10 Days

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Specifications

Brand Name
NoEnName_Null
Style
Wired in-ear headphones
Vocalism Principle
Dynamic
Origin
Mainland China
Material
Metal
High-concerned chemical
None
Communication
Wired
Volume Control
No
Category
Earphones & Headphones
Active Noise-Cancellation
No
Waterproof
No
Frequency Response Range
10 - 20000
Wireless Type
None
Resistance
26
Control Button
No
Driver Diameter
12
Sensitivity
108
Is wireless
No
Total Harmonic Distortion
1
Connector type
0.78mm

Product Description

Note:This product is a pre-order,will be sent out by 7-10 working days.


Product Specifications

Brand: Seven Hertz

Model: Legato

Driver Configuration: 12mm and 6mm dynamic drivers

Impedance: 26Ω(@1KHz)

Sensitivity: 108dB/v@1KHz

Frequency Response: 10Hz-20Khz

THD: <1%/1Khz

Connector Type: 0.78mm 2 pin

Cable Material: OCC+silver-plated OCC

Case Material: CNC aviation-grade Aluminum


Pros & Cons

Pros

  • Dual 12mm+6mm dynamic drivers deliver balanced HiFi sound
  • Detachable 0.78mm 2Pin cable for upgrades
  • Low 26Ω impedance and high 108dB sensitivity for easy drive
  • Wide 10-20kHz frequency with <1% THD for clean audio

Cons

  • Wired only, no Bluetooth or wireless option
  • No volume control or ANC features
  • Pre-order delay of 7-10 days
  • No waterproof rating, avoid moisture

Common Questions

What drivers and material for these IEM earphones?

Dual dynamic drivers (12mm + 6mm), metal housing for HiFi sound.

What cable compatibility and connector type?

Detachable OCC 0.78mm 2Pin cable, easy to replace.

Is it compatible with wired devices and sensitivity?

Wired in-ear, 108dB sensitivity, 26Ω impedance for phones and DAPs.

How to use the 7Hz Legato for music listening?

Plug in 0.78mm connector, enjoy 10Hz-20kHz range; pre-order 7-10 days.

Shipping time for this pre-order item?

Pre-order ships in 7-10 working days from Mainland China.

Product information last updated on November 28, 2025