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Tube Headphone Amplifier & Preamplifier: The BOX X4 is designed with a 3
04% THD) can drive 2Ohm - 8Ohm speakers
User-Friendly Control: Equipped with independent level control knobs for each channel
Next-generation phono preamp for unrivaled sound quality
but also a fusion of tube amp aesthetics and Fosi Audio's style
Fosi Audio BT30D Pro 2.1 Channel Bluetooth Amp stereo receiver Tube Headphone Amplifier & Preamplifier:2. 1 Channel Amplifier: The BT30D PRO integrated amplifier features two sets of passive speaker outputs and one set of passive subwoofer outputs, making it easy to set up a 2. 1 home theater or other stereo HiFi audio systems. High Power with Exceptional Sound Quality: Equipped with two high end Texas Instruments TPA3255 Class D amplifier chips, the amplifier home audio delivers clear and pure sound without distortion or clipping, stably outputting up
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