Fosi Audio is a brand committed to creating a wide range of HiFi audio products. It specialises in the design and manufacture of various devices, including but not limited to preamplifiers, digital-to-analogue converters (DACs) and amplifiers. Fosi Audio's main objective is to provide consumers with high quality audio products at affordable prices, making high fidelity audio more accessible to a wider audience. The brand stands out for its ability to offer a variety of products that meet the diverse needs of audio enthusiasts, audiophiles and professionals looking to improve their audio setup. Whether to improve sound clarity, increase power output or simply enjoy a richer listening experience, Fosi Audio aims to meet these needs with effective and reliable solutions. Fosi Audio products are renowned for their robust construction, elegant design and ease of use, in addition to their impressive sonic performance. With a focus on quality and innovation, Fosi Audio continues to develop and expand its product range to offer an enhanced audio experience to all its customers, while maintaining excellent value for money.
This Fosi Audio power adapter takes in input a voltage of 100-240VAC and allows to have in output a voltage of 32V DC for a maximum current of 5A. Its output connector is a DC 5.5/2.5mm jack.
This Fosi Audio power adapter takes in input a voltage of 100-240VAC and allows to have in output a voltage of 48V DC for a maximum current of 5A. Its output connector is a DC 5.5/2.5mm jack.
The Fosi Audio BL20C is a small, efficient and affordable Class D amplifier based on a TDA7498E chip, allowing it to develop a power of 2x160W under 4Ω. In addition to a stereo RCA input, the BL20C provides USB-A Host to connect a storage device such as a USB flash drive as well as Bluetooth 5.0 reception capability.
The Fosi Audio Box X1 is a small MM phono preamplifier simple, effective and affordable. It uses low noise components to ensure a clear and clean sound. The device is also equipped, in addition to its RCA input and output, a Jack 3.5mm headphone output.
With its BOX X2 tube preamplifier, Fosi Audio unveils an affordable, high-quality Hifi device for those wishing to enjoy the warm, coated sound of tube amplification. The FOSI Audio BOX X2 is the ideal companion for a power amplifier or a pair of active speakers.
With its BOX X3 tube preamplifier, big brother to the BOX X2, Fosi Audio unveils an affordable, high-quality Hifi device for those wishing to enjoy the warm, coated sound of tube amplification.
The Fosi Audio Box X5 phono preamplifier is a small, high-quality device that accepts MM and MC cells. Based on the use of OPA1612 in DIP8 and high-fidelity RIAA equalization, it delivers highly qualitative sound reproduction of your favorite vinyl records.
The Fosi Audio BT10A is a small, compact and powerful Class D amplifier, offered at a contained price. Its amplification stage uses a TI TPA3116D2 chip, capable of developing a power of 2x50W under 4Ω with a high efficiency, while providing a clear and detailed sound reproduction.
The Fosi Audio BT20A is a compact and powerful Class D amplifier, offered at a contained price. Its amplifier stage uses not one but two TI TPA3116D2 chips, capable of developing a power of 90W under 4Ω per channel.
The Fosi Audio BT20A PRO is a compact and powerful Class D amplifier, offered at a very resonable price. Its amplifier stage uses a TI TPA3255 chips, capable of developing a power of 225W under 4Ω per channel.
The Fosi Audio BT30D is a 2.1-channel Class D amplifier capable of developing 2x50W + 100W power thanks to two TI TPA3116D2 amplifier chips. It also features Bluetooth 5.0 functionality for stable, high-quality wireless reception. The front panel features no fewer than 5 potentiometers.
The Fosi Audio DT30D Pro is a small, powerful and affordable Class D amplifier, ideal for the integration of a simple but powerful audio system. It embeds for that two TPA3255 amplification chips allowing him to develop a comfortable power of 2x 125W under 4Ω with a high efficiency proper to the Class D architectures...
Fosi Audio offers us a set of 4 banana plugs ready for connection to any cable up to 5 mm diameter. These plugs are chrome-plated, making them incredibly resistant to abrasion and oxidation. To complete the picture, these plugs are housed in a carbon-fiber case, giving them an inimitable style.
With the DA2120C, Fosi Audio offers a versatile and affordable Class D amplifier. Its amplification stage allows it to deliver a power of 2x90W under 4Ω, and this with a high efficiency.
With the DA2120A, Fosi Audio offers a small, versatile and affordable Class D amplifier. Its amplification stage allows it to deliver a power of 2x50W under 4Ω, and this with a high efficiency proper to this type of amplification.
Compact, versatile and particularly affordable, the Fosi Audio DAC-Q4 brilliantly combines the functions of DAC and headphone amplifier. Ideal for a desktop installation, it will fit equally well into a more conventional audio system. Its digital/analog conversion stage is based on a Texas Instruments PCM5100 DAC chip, ensuring quality decoding for...
Compact, versatile and affordable, the Fosi Audio DAC-Q5 brilliantly takes on the role of DAC and headphone amplifier. Ideal for a desktop installation, it will fit just as well into a more traditional audio system. Its digital/analogue conversion stage is based on an ESS ES9018K2M DAC chip, ensuring high-quality decoding for rich, accurate sound...
This Fosi Audio power supply noise reducer accepts a voltage range of 12V to 55V and a current of 10A via DC 5.5/2.5mm jack. It reduces power supply noise and protects your equipment from electromagnetic interference, thanks to filter capacitors and inductors.
The Fosi Audio DS1 is a compact and powerful portable headphone amplifier and DAC combo, ideal for enjoying high quality listening from a source such as a smartphone. Its digital / analog conversion section uses a ESS ES9038Q2M DAC chips ensuring a detailed and accurate sound reproduction, while supporting high resolution audio streams up to PCM 32bit...
The Fosi Audio DS2, the evolution of the DS1, is an extremely compact headphone amplifier/portable DAC. It's ideal for enjoying superior sound reproduction with a source such as a smartphone, tablet or your laptop. In fact, it incorporates two CS43131 DAC/headphone amplifier chips and a SA9312 USB interface. This enables the Fosi Audio DS2 to support...
This Fosi Audio GaN power adapter takes in input a voltage of 100-240VAC and allows to have in output a voltage of 48V DC for a maximum current of 5A. Its output connector is a DC 5.5/2.5mm jack.
Fosi Audio's GR40 is a versatile, compact stereo DAC and tube preamplifier, featuring full connectivity and Bluetooth 5.1. The digital-to-analog conversion section is based on an ESS9028Q2M DAC chip, and enables signal conversion up to PCM 32bit 384kHz and DSD256. Coupled with the tube preamplifier stage, the GR40 delivers the rich, warm sound...
With the K5 Pro, Fosi Audio offers a compact, versatile and affordable DAC/headphone amplifier. With its microphone input on the front panel, the K5 Pro is designed to fit into a desktop installation, although it can easily be integrated into a more conventional audio setup. Indeed, in addition to its headphone output, the K5 Pro has an RCA output, which...
The Fosi Audio K7 is a compact, high-performance DAC/headphone amplifier featuring an original design and high-quality components. It features an XMOS XU208 USB interface, an AKM AK4493SEQ DAC chip for its digital-to-analog conversion stage, and a balanced amplifier circuit with two TPA6120 chips and OPA1612 OPAs. The Fosi Audio K7 is therefore capable of...
With its LC30, Fosi Audio unveils an amplifier and speaker selector. In other words, it allows you to switch easily and quickly between two power amplifiers and two pairs of passive speakers. This device is ideal if you want to take advantage of two Hi-Fi systems, or if you want to carry out comparative tests.
With its LC30, Fosi Audio unveils an amplifier and speaker selector. In other words, it allows you to switch easily and quickly between two power amplifiers and two pairs of passive speakers. This device is ideal if you want to take advantage of two Hi-Fi systems, or if you want to carry out comparative tests.
The Fosi Audio M03 subwoofer amplifier is an affordable, compact and powerful compact device. It features a TI TPA3255D2 amplifier chip delivering 120W power at 4 ohms. It features two operating modes selectable via a switch on the front panel.
The Fosi Audio M04 is a Class D amplifier based on a TPA3116 chip and capable of delivering 100W @ 3 ohm. The M04 has an RCA input and a speaker terminal output. It can be used with speakers as a mono amplifier, thanks to its “PBTL” mode, or with a passive subwoofer, thanks to its “SUB” mode.
With its MC101 stereo amplifier, Fosi Audio unveils a small device at the crossroads of vintage and modernism. The MC101 features Bluetooth functionality, as well as a vintage look thanks to its rounded shape and VU meter on the front panel. Inside this device are not one, but two TI TPA3116 amplifier chips for an output power of 2x 60W @ 4 Ohm (THD+N=1%).
The Fosi Audio MC331 is a powerful little hybrid integrated amplifier based on JAN5654W tubes and a TI TPA3221 chip. This little jewel blends modern and vintage technology, and is capable of delivering up to 2x105W of power under 4 ohm, enough to soundtrack a beautiful space.
Here's an orange aluminum knob for customizing your Fosi Audio V3 amplifier. To replace, simply pull the knob installed on your amplifier off its axis before pressing the replacement button.
The Fosi Audio P3 is a compact, high-performance preamplifier. It features two JAN 5654W tubes and a QCC3031 Bluetooth receiver chip. A 3.5mm jack is also available on the front panel, with volume and tone controls for bass and treble.
The Fosi Audio P4 preamplifier is a compact and versatile solution. With its three stereo RCA inputs, volume control with motorised potentiometer, tone control, gain selection and neat design, it offers a high-quality sound experience.
The Fosi Audio PH05 5-channel headphone splitter amplifier is a device that provides a stereo signal via 5 separate outputs, each with independent volume control. Each output has its own independent amplification and offers an output power of 310mW under 32 ohms, enabling you to drive IEMs or headphones with impedances ranging from 16 to 300 ohms.
Fosi Audio's SK01 is a high-performance headphone amplifier with good measurements and low distortion. Its output power is up to 2400mW @ 32Ω. It also features numerous equalization potentiometers and two gain levels, enabling it to adapt to all types of headphones and in-ear monitors on the market.
With its SK02, Fosi Audio unveils a small, versatile, high-performance device that takes up the form factor of its SK01. The SK02 fulfills the functions of headphone amplifier, portable preamplifier and portable DAC. The SK02 features an ES9038Q2M DAC chip and a low-noise,...
The Fosi Audio TB10D is a compact and powerful Class D amplifier, offered at a contained price. Its amplification stage uses a TI TPA3255 high performance chip, capable of developing a power of 2x230W under 4Ω with a high efficiency, all while providing a clear and detailed sound reproduction.
This small Fosi Audio V1.0G integrated amplifier is an affordable, high-quality Class D stereo amplifier. It incorporates a TI TPA3116D2 amplifier chip enabling it to develop 2x50w @ 4Ω power. Its advanced circuit design makes it capable of driving speakers from 2Ω to 8Ω, and it features HP protection.