【7HZ】 SEVENHERTZ 71 Let the Details Speak AMP & DAC

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7HZ SEVENHERTZ 71

$29.89 USD $29.89
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1-Year + 180-Day Warranty

So that you can buy with confidence, we provide a comprehensive warranty on every product.

  • Warranty Period: This product comes with a 12-month standard warranty.
  • Extended Warranty: Buy from our official website and you can register directly for the extended warranty, adding a further 180 days of coverage.

For more details, see the [Warranty Policy].

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Features

Specifications

Product Specifications Value

Product Name

7HZ SEVENHERTZ 71
Model Number 8236443631921
Age Range 5+
Shipping Free shipping
Delivery Time 1–5 days

Reviews (271)

Customer Reviews

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04/07/2026
Eddy Raw
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ris999ing
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Shimazori
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AKM AK4377 Chipset

7HZ SEVENHERTZ 71 adopts AKM's AK4377 chip to process digital signals. It is smaller than other chips and uses 36-pin CSP packaging, which requires less space on the circuit board. The upgrade AK4377 chip can analyze each format audio signal. For better sound quality, a 32-bit digital filter is integrated into the circuit, allowing a lower distortion rate and a wider sound field.

Applicable to Android 5.1 or Higher Version And Lightning Connector

The 7HZ SEVENHERTZ 71 Portable Headphone Amplifier is small but powerful. It can effectively improve the sound quality representation of devices such as mobile phones, music players, etc. SEVENHERTZ 71 is mainly applied to mobile phones and it is suitable for Android 5.1 and above. Besides, SEVENHERTZ 71 can compatible with Apple Lightning connection.

High-end 4-pin 36-core OCC cable

As a portable headphone amplifier, the 7HZ SEVENHERTZ71 not only adopts an upgraded DAC chip but was also designed with high-end cables. 7HZ SEVENHERTZ 71 cables use four 36-core OCC cables, which can transmit digital and analog signals losslessly. The cables are hand-woven and extremely robust, enhancing the resistance to breakage.

Battery-Free Design, Plug And Play

The 7HZ SEVENHERTZ 71 Potable Headphone Amplifier used a battery-free design. The AK4377 chip is easy to drive and the impedance of the circuitry in this amplifier is also low, meaning that not much power is required. This means that this potable amplifier can be driven with low power. The battery-free design means that there is no need to worry about running out of power during use. You can use this Potable Amplifier anytime, anywhere.


Brand:
7HZ
Category:
AMP & DAC
SKU:
7HZ-Sevenhertz-71
Tags:
$1-50, 7HZ, All, Battery-Free Design, Plug and play, Portable HiFi, Products

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