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【Voltage Compatibility】
When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.
【Plug Type】
Our products use Japanese plug types (A or B type).
Please use a conversion adapter if necessary.
【Important Note on Transformers and Adapters】
A transformer adjusts voltage to match your device’s requirements.
A conversion adapter only changes the plug shape and does not adjust voltage.
Using only a conversion adapter without a transformer may result in damage to the product.
【Liability】
We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.
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Compact but Powerful Output: H7PRO features TPA3255 premium digital class D amplifier chip, the MAX output of each channel reaches 300W, easily drives 4-8Ω speakers and provides impressive sound quality. Its compact size makes it suitable for a variety of applications, from bookshelf and desktop setups to home theaters.
Dual VU Meter Design and Balance Control: Based on H7 and after collecting a lot of helpful advice from users, H7PRO has designed dual VU meters for left and right channels. It oscillates dynamically as the audio signal changes. Separate volume controls for L/R channels have been removed and a balance control has been added to adjust the balanced volume of the left and right speakers.
Dual analog inputs and preamp outputs: H7PRO combines minimalist design with outstanding features. In addition to the standard RCA inputs, it also features balanced XLR inputs to minimize interference and reduce the noise floor. The H7PRO also features a preamp RCA output, allowing you to connect another amplifier or active speakers/subwoofer to create a 2.1-channel or multi-channel home theater system.
Audiophile-Grade Components and Sound: H7PRO adopts Japanese ELNA and Rubycon filter arrays, professional audio inductors, fully sealed precision potentiometers, etc., providing exceptional clarity and low distortion with an SNR of MAX 110dB and an ultra-low noise floor. Although it has a traditional design, it has ample heat dissipation area to ensure optimal performance and stable work for long periods of time.
Refined Craftsmanship and Attractive Appearance: CNC machined, customized all-aluminum alloy manufacturing to ensure long service life and luxurious feel. The VU meter displays the volume in real time, blending retro charm and modern design, letting you experience a HIFI music journey through Douk Audio H7PRO.
H7PRO is a mini digital amplifier designed by Nobsound that combines compact design with outstanding performance. Adopts TPA3255 amplifier chip, provides MAX 300W output on each channel, easily drives 4-8Ω speakers and provides impressive sound quality. Equipped with single-ended RCA and balanced XLR inputs, preamplifier RCA outputs and speaker jack outputs, you can easily build a multi-channel system. Two VU meters have been added, and the pointer moves in real time as the audio signal changes, providing both visual and auditory enjoyment.
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