![[GRADE A] ASCILAB C6B Bookshelf Speakers 250W 4 Ohm 85dB White (Pair)](https://www.audiophonics.fr/71768-thumb_default/ascilab-c6b-white-sba.jpg)
Étonnant
Sur un conseil d'expert je l' ai ajouté en parallèle sur deux condos Evo oil 30μf , eux même en parallèle, sur voix...
Sur un conseil d'expert je l' ai ajouté en parallèle sur deux condos Evo oil 30μf , eux même en parallèle, sur voix...
New Customer?
Create your account 0
0 item(s) - 0,00 € No products
To be determined Shipping
0,00 € Tax
0,00 € Total
Prices are tax included
Quantity
Total
Product successfully added to your shopping cart
There are 0 items in your cart. There are 0 items in your cart.
Total (tax incl.)
Avis clients
Note :
Date :
2026-04-21
Bruno R.
Note :
Date :
2026-04-21
eric m.
5AR4 TS
Merci à toute l'équipe pour l'efficacité du traitement de ma commande.
Tube Tungsol 5AR4 de bonnes factures.
En...
Merci à toute l'équipe pour l'efficacité du traitement de ma commande.
Tube Tungsol 5AR4 de bonnes factures.
En...
Note :
Date :
2026-04-21
WOONG KYU J.
OPA1612 GOOD !!!
Replacing the LME49720 with the OPA1612...
From fast transitions and crispness to solid bass...
It is a truly excellent...
Replacing the LME49720 with the OPA1612...
From fast transitions and crispness to solid bass...
It is a truly excellent...
List of products Fosi Audio
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.
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.
FOSI AUDIO AC/DC Switching Power Adapter 100-240VAC to 32V DC 5A
Ref : 19090In StockThis 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.39,00 € 32,50 €Ex.In StockFOSI AUDIO AC/DC Switching Power Adapter 100-240VAC to 48V DC 5A
Ref : 18426In StockThis 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.52,90 € 44,08 €Ex.In StockFOSI AUDIO AH-01A RGB LED Vumeter Microphone
Ref : 20939In StockThe Fosi Audio AH-01A is a RGB vumeter offering an original visual experience. Installation is very simple, as all you need to do is power the AH-01A via its USB-C connector. The AH-01A then picks up sound thanks to its built-in microphone.59,00 € 49,17 €Ex.In StockFOSI AUDIO Banana Plugs 24k Gold Plated Copper Ø4mm (Set of 4)
Ref : 21260In StockFosi Audio banana plugs feature 24k gold-plated copper contacts that offer excellent conductivity and minimize signal loss.11,90 € 9,92 €Ex.In StockFOSI AUDIO BL20A Amplifier Class D 2x TPA3116 Bluetooth 5.0 2x55W 4 Ohm
Ref : 21705The Fosi Audio BL20A is a small, compact and powerful Class D amplifier. Its amplifier stage uses two TPA3116 chip, capable of delivering 2x57W under 4 Ohm, whilst providing clear and detailed sound reproduction.99,00 € 82,50 €Ex.In StockFOSI AUDIO BL20C Class D 2.1 Amplifier TDA7498E Bluetooth 5.0 2x120W 4 Ohm
Ref : 16994In StockThe 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.89,00 € 74,17 €Ex.In StockFOSI AUDIO BOX X1 Phono MM Preamplifier
Ref : 17001In StockThe 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.39,00 € 32,50 €Ex.In StockFOSI AUDIO BOX X2 Phono MM Preamplifier with Tubes 2x6A2 Stereo Black
Ref : 18080In StockWith 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.69,00 € 57,50 €Ex.In StockFOSI AUDIO BOX X3 MM Phono Preamplifier with Tubes 2xJAN5725 Stereo Bluetooth 5.0 Black
Ref : 18083In StockWith 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.59,00 € 49,17 €Ex.In StockFOSI AUDIO BOX X4 MM Phono Preamplifier with Tubes JAN5654W Stereo Bluetooth 5.0
Ref : 21715With its BOX X4 tube preamplifier, the big brother of the BOX X3, Fosi Audio unveils an affordable and high-quality HiFi device for people wishing to enjoy the warm and rich sound of tube amplification.79,00 € 65,83 €Ex.In StockFOSI AUDIO BOX X5 Phono Preamplifier MM/MC OPA1612
Ref : 20240In StockThe 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.109,00 € 90,83 €Ex.In StockFOSI AUDIO BT10A Class D Amplifier TPA3116 Bluetooth 5.0 2x50W 4 Ohm
Ref : 17192In StockThe 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.59,00 € 49,17 €Ex.In StockFOSI AUDIO BT20A Class D Amplifier 2x TPA3116 Bluetooth 5.0 2x90W 4 Ohm
Ref : 17193In StockThe 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.79,90 € 66,58 €Ex.In StockFOSI AUDIO BT20A MAX-32V Class D Amplifier TPA3255 Bluetooth 6.0 2x85W 4 Ohm
Ref : 21692The Fosi Audio BT20A MAX is a Class D stereo amplifier designed to power passive speakers with a high level of control and power in a compact format. It delivers up to 2x85W under 4 Ohm with 32V power supply (or 2x180W under 4 Ohm with 48V power supply), relying on a PFFB (Post Filter Feedback) architecture and a segmented power supply to maintain low...239,00 € 199,17 €Ex.In StockFOSI AUDIO BT20A MAX-48V Class D Amplifier TPA3255 Bluetooth 6.0 2x180W 4 Ohm
Ref : 21407In StockThe Fosi Audio BT20A MAX is a Class D stereo amplifier designed to power passive speakers with a high level of control and power in a compact format. It delivers up to 300W per channel under 2 and 4Ω (180W RMS), relying on a PFFB (Post Filter Feedback) architecture and a segmented power supply to maintain low distortion and a high signal-to-noise...259,00 € 215,83 €Ex.In StockFOSI AUDIO BT20A PRO-32V Class D Amplifier TPA3255 Bluetooth 5.0 2x220W 4 Ohm
Ref : 17556In StockThe 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.119,00 € 99,17 €Ex.In StockFOSI AUDIO BT20A PRO-48V Class D Amplifier TPA3255 Bluetooth 5.0 2x220W 4 Ohm
Ref : 21696The 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.149,00 € 124,17 €Ex.In StockFOSI AUDIO BT30D Class D 2.1 Amplifier Bluetooth 5.0 2xTPA3116D2 2x50W + 100W 4 ohm
Ref : 19007In StockThe 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.109,00 € 90,83 €Ex.In StockFOSI AUDIO BT30D PRO Class D 2.1 Amplifier 2xTPA3255 Bluetooth 5.0 2x125W+250W 4 Ohm
Ref : 17206In StockThe 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...119,00 € 99,17 €Ex.In StockFOSI AUDIO CA30 4 Channel Car Amplifier 4x100W 4 Ohm 10Hz-40kHz
Ref : 21534In StockThe Fosi Audio CA30 is a power amplifier for car audio systems. Designed around the Infineon IR4322 amplifier chip, it delivers 4×100W under 4Ω, or 2×320W under 4Ω in bridged mode, using a high-efficiency architecture that delivers stable current while limiting internal heat build-up. This design results in a SINAD ≥ 80dB and...159,00 € 132,50 €Ex.In StockFOSI AUDIO DA-2120C Amplifier Class D TAS5352A 2x90W 4 Ohm Bluetooth 5.0 Black
Ref : 17576In StockWith 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.179,00 € 149,17 €Ex.In StockFOSI AUDIO DAC-Q4 DAC PCM5100 Headphone Amplifier MAX97220 24bit 192kHz
Ref : 17959In StockCompact, 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...49,90 € 41,58 €Ex.In StockFOSI AUDIO DAC-Q5 DAC ES9018K2M Headphone Amplifier TPA6120 24bit 192kHz
Ref : 17960In StockCompact, 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...74,90 € 62,42 €Ex.In StockFOSI AUDIO DC Power Noise Filter 12-55V 10A with DC jack doubler
Ref : 19692In StockThis 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.19,90 € 16,58 €Ex.In StockFOSI AUDIO DS1 Portable Headphone Amplifier DAC ES9038Q2M Balanced 32bit 768kHz DSD512
Ref : 16996In StockThe 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...89,00 € 74,17 €Ex.In StockFOSI AUDIO DS2 Headphone Amplifier Portable DAC 2x CS43131 Balanced 32bit 384kHz DSD256
Ref : 18859In StockThe 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...69,00 € 57,50 €Ex.In StockFOSI AUDIO DS3 Headphone Amplifier Portable DAC ES9039Q2M 32bit 768kHz DSD512 Black
Ref : 21324In StockWith the DS3, Fosi Audio presents a compact DAC and headphone amplifier featuring an ESS ES9039Q2M chip and an XMOS interface, supporting signals up to PCM 32-bit/768 kHz and DSD512. It also offers a virtual 7.1 mode that improves spatialisation, which is particularly useful for gaming. Finally, its CNC-machined aluminium chassis with tempered glass...109,00 € 90,83 €Ex.In StockFOSI AUDIO DS3 Headphone Amplifier Portable DAC ES9039Q2M 32bit 768kHz DSD512 Silver
Ref : 21328In StockWith the DS3, Fosi Audio presents a compact DAC and headphone amplifier featuring an ESS ES9039Q2M chip and an XMOS interface, supporting signals up to PCM 32-bit/768 kHz and DSD512. It also offers a virtual 7.1 mode that improves spatialisation, which is particularly useful for gaming. Finally, its CNC-machined aluminium chassis with tempered glass...109,00 € 90,83 €Ex.In StockFOSI AUDIO GaN AC/DC Switching Power Adapter 100-240VAC to 48V DC 5A
Ref : 18427In StockThis 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.89,00 € 74,17 €Ex.In StockFOSI AUDIO GR40 DAC ESS9028Q2M Tube Preamplifier 2x JAN5654W Headphone Amplifier Bluetooth 5.1 32bit 384kHz DSD256
Ref : 20239In StockFosi 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...139,00 € 115,83 €Ex.In StockFOSI AUDIO GR70 Tube Headphone Amplifier 5654W / 6AC7
Ref : 20958In StockThe Fosi Audio GR70 is a headphone amplifier based on a combination of 2 x 564AW and 2 x 6AC7 tubes. As a result, it delivers a smooth, warm and authentic sound. Thanks to its LOW/HIGH gain control, it can drive headphones with impedances ranging from 16 ohms to 300 ohms.199,00 € 165,83 €Ex.In StockFOSI AUDIO HT4S Amplifier Bluetooth 5 Channels Class D 2xTPA3116 5x30W 4Ω
Ref : 19622In StockThe HT4S from Fosi Audio is a compact integrated power amplifier with 5 channels capable of delivering 30W each thanks to two TPA3116 amplifier chips.139,00 € 115,83 €Ex.In StockFOSI AUDIO I5 OFFLINE VERSION Open-Back Planar Magnetic Headphones Jack 4.4mm 28 Ohm 98dB 10Hz-50kHz
Ref : 20963In StockThe Fosi Audio I5 OFFLINE VERSION is an open-air Planar Magnetic headphone. They feature a diaphragm no less than 97mm in diameter, offering a wide soundstage. Each driver incorporates a double array of balanced Neodymium N50 magnets for precise, stable diaphragm vibration. This greatly reduces any form of distortion for a clear, authentic sound...569,00 € 474,17 €Ex.In StockFOSI AUDIO I5 ONLINE VERSION Open-Back Planar Magnetic Headphones Jack 3.5mm 28 Ohm 98dB 10Hz-50kHz
Ref : 20959In StockThe Fosi Audio I5 Online Version is an open-air Planar Magnetic headphone. They feature a diaphragm no less than 97mm in diameter, offering a wide soundstage. Each driver incorporates a double array of balanced Neodymium N50 magnets for precise, stable diaphragm vibration. This greatly reduces any form of distortion for a clear, authentic sound...549,00 € 457,50 €Ex.In StockFOSI AUDIO IM4 In-Ear Monitors IEM Dynamic Ø10mm 21 Ohm 109dB 20Hz-20kHz Black
Ref : 21190In StockWith the IM4, FOSI Audio unveils its first dynamic in-ear monitors. These feature a 10mm diameter diaphragm, dual N52 magnet arrays, and a dual acoustic cavity for balanced sound reproduction. Their 21-ohm impedance coupled with 109dB sensitivity makes the IM4 easy to drive for a high level of compatibility.109,00 € 90,83 €Ex.In StockFOSI AUDIO IM4 In-Ear Monitors IEM Dynamic Ø10mm 21 Ohm 109dB 20Hz-20kHz Silver
Ref : 21191In StockWith the IM4, FOSI Audio unveils its first dynamic in-ear monitors. These feature a 10mm diameter diaphragm, dual N52 magnet arrays, and a dual acoustic cavity for balanced sound reproduction. Their 21-ohm impedance coupled with 109dB sensitivity makes the IM4 easy to drive for a high level of compatibility.109,00 € 90,83 €Ex.In StockFOSI AUDIO K5 PRO DAC Headphone Amplifier NE5532 24bit 192kHz
Ref : 19225In StockWith 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...54,90 € 45,75 €Ex.In StockFOSI AUDIO K7 DAC Headphone Amplifier AK4493SEQ XMOS XU208 Bluetooth 5.0 aptX HD 32bit 384kHz DSD256 Black
Ref : 20662In StockThe 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...209,00 € 174,17 €Ex.In StockFOSI AUDIO K7 DAC Headphone Amplifier AK4493SEQ XMOS XU208 Bluetooth 5.0 aptX HD 32bit 384kHz DSD256 Silver
Ref : 21458In StockThe 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...209,00 € 174,17 €Ex.In StockFOSI AUDIO LC30 Audio Selector Switch for Amplifiers / Speakers Black Vu-meter
Ref : 19046In StockWith 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.169,00 € 140,83 €Ex.In Stock- HOMEPAGE
- MY ACCOUNT
- New products
- Sales
- Refurbished
- Brands
- Blog
- Workshop
- HiFi Devices
- Connectors and Adapters
- Connectors
- RCA Connectors
- Jack Plugs
- Optical Toslink Plugs
- USB Connectors
- XLR Plugs
- Power Plugs & Sockets
- DIN Plug
- Speakon Plugs
- RCA Sockets
- XLR Sockets
- Jack DC Plugs
- Binding Posts & Terminals
- Banana Plugs
- Spades
- Antenna / Sat / BNC Plugs
- Crimp Sleeves
- Terminals
- Plane type plugs
- RJ45 Plugs
- Various Plugs
- Connectors accessories
- Connectors
- Cables and Sheaths
- Cables and cords
- Speakers and Headphones
- DIY enclosures and cases
- DIY Kits & Boards
- Loudspeakers & speakers DIY
- Electronic components
- Capacitors
- Polarized capacitors
- Non-polarized capacitors
- Mundorf MCap Classic capacitors
- Mundorf ECap capacitors
- Jantzen EleCap capacitors
- ClarityCap capacitors
- Rike Audio capacitors
- Mundorf MCap Supreme Evo SilverGold capacitors
- Dayton Audio DMPC capacitors
- Mundorf MCap Supreme Evo SilverGold Oil capacitors
- Wima capacitors
- Mundorf MCap ZN Classic capacitors
- Mundorf MCap Supreme Classic Silver Oil capacitors
- Mundorf MCap Supreme Classic SilverGold capacitors
- Mundorf Supreme Classic SilverGold Oil capacitors
- Mundorf TubeCap capacitors
- Jantzen Silver Z-Cap capacitors
- Jantzen Superior Z-Cap capacitors
- Jantzen Cross Cap capacitors
- Mundorf MCap Evo capacitors
- Audyn Cap capacitors
- Mundorf MCap Evo Oil capacitors
- Jantzen Alumen Z-Cap capacitors
- Jantzen Standard Z-Cap capacitors
- Styroflex capacitors
- Mundorf MCap Evo SilverGold Oil capacitors
- Mundorf MCap Supreme Classic capacitors
- Mundorf MCap Supreme Evo capacitors
- Jantzen Compact MKT capacitors
- Mundorf MCap Supreme Evo Oil capacitors
- Jantzen Amber Z-Cap capacitors
- Capacitors accessories
- Capacitors
- Tools and screws
- Power Supplies and transformers
- Spikes and acoustic treatment
- Refurbished
- Product packs
No products
To be determined Shipping0,00 € Tax0,00 € TotalPrices are tax included
English 
Français