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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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Fosi Audio's 2.0 Channel Amplifier V3 is built with high-quality components, including inductors from Japan Sumida, capacitors from Black Gate and WIMA, and small aluminum electrolytic capacitors from ELNA, for reliable and consistent performance. Thanks to these components, the V3 stereo amplifier offers more precise control and more efficient power handling, allowing you to deliver a better audio experience.
300W✕2 output power: Digital Amplifier V3 is equipped with TI TPA3255 class D power amplifier chip. This is a highly compatible chip that can be adapted to a wide range of audio applications, from stereo systems to home theater setups, making it easy for everyday use. With SNR≥110dB and THD≤0.003%, there is almost no noise during use.
RCA inputs, speaker outputs, and 3.5mm pre-outs: The Class D amplifier V3 features a tapered A volume control knob and boasts multiple ingenious designs. For example, the amplifier itself has heat dissipation holes for efficient cooling. Additionally, thanks to the energy-saving mode, both the amplifier and its components will last longer.
Op-amp chip customization: The V3 HiFi amplifier comes with two interchangeable plug-in NE5532 op-amps. You can replace it with an LME49720HA/MUSES02 120-140/OPA26041P/OPA2134PA 25-35/LM4562/NJM4556AD operational amplifier to make the circuit more suitable for your taste or specific music type.
Worry-Free Guarantee: Enjoy peace of mind with your V3 stereo amplifier. Backed by a 24-month worry-free warranty, we guarantee reliable performance and customer satisfaction. *Note: The V3 is not an integrated amplifier, so the "pre-out" level is not controlled by the volume knob. Therefore, the volume cannot be adjusted if it is connected to the "pre-out".
The package includes a DC 32V 5A power adapter that limits the maximum output to 125W. To achieve the advertised maximum power of 300W, you will need to upgrade to a DC48V 10A power adapter. V3's orange knob is only sold on the official website. If you would like to purchase, please visit the official website "https://fosiaudioshop.com".
1) Before using this product, please check that each cable connection is correct. 2) This product uses Taper A volume potentiometer, the volume adjustment increases exponentially. 3) To turn this product on/off, use the volume knob on the product. We do not recommend operating directly from a power outlet.
A small stereo amplifier is perfect for enjoying your favorite music. You'll love Fosi Audio V3's easy installation and powerful sound output. Audio Input: RCA Power: 32V 5A Power Voltage Range: 110 Volts THD: 0.0001 SNR: ≥110dB Frequency Range: 20Hz-20kHz(±0.1dB) Termination Impedance: 2-8Ω Maximum Output: 300Wx2@4Ω Product Size: 6.5 *4.1*1.4inch Product Weight: 547g (1.2lb)
