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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.
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.
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.
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.
7Hz
7Hz's goal is to offer you a level of support that matches the attention to detail and quality of their products. In the unlikely event that a 7Hz product develops a manufacturing defect within the warranty period, please contact Gears For Ears. Please make sure that the issue with your product is eligible for a warranty claim.
Please be advised that Gears For Ears is not authorized to handle the warranty claims for the purchases that are made outside Bangladesh.
For warranty claims, replacement products will be given on an ex-inventory basis and will be subject to availability of the product.
Should any warranty issues arise, the decision of the manufacturer is final.
7Hz's Warranty Period is 1 Year from the date of the Invoice for the following products:
Eligibility for warranty
Manufacturing Defects
One side not working
Both sides not working
Channel imbalance
Mic/Remote not working
Any other manufacturing defect
Non-Eligible for warranty
Physical Damages
Wear and tear from usage
Cosmetic flaws
Wire/cord tearing
Damages to accessories
Damages caused by unsupported accessories or equipment
The product have been modified in any way or the product is forcefully opened by an uncertified technician
Any other accidental damage
Natural disasters or animal related damages
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