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[Pre-sale] Fosi Audio V3 Mono Power Amplifier PFFB 3255 Monoblock Class D Amps

By |July 23rd, 2026|

Store CategoriesStore Categories2.0 Channel Amps2.1 Channel AmpsPreampsHeadphone AmpsSubwoofer AmpsDACBluetooth AmpsAmplifier BoardsHot saleChristmas limitedPreampAccessoriesSpeakersOtherV3 mono stereo audio component mini power monoblock amplifier 2 channel amplifier single channel 2/2.1/3/4/5 channel class d amp tpa3255 for home theater desktop outdoor bookshelf Tower floorstanding passive speakers ZA3 Product Description NOTE: It is Pre-sale, the Start shipping time:8th Aug. While you're waiting, we'll send you a mysterious gift. About this item Mini Monoblock Amplifier: Crafted for HiFi audiophiles, the V3 Mono allows you to drive a single passive speaker with one amp, delivering up to 240W @4Ω of rated power. It offers the flexibility to build your home audio 2/3/4/5-channel system effortlessly. The V3 Mono can serve as a power amplifier for multi-channel AVRs, complementing the output power to easily drive high-power speakers in home theater systems. Innovative Cutting-Edge Technology: Fosi Audio has achieved a technological breakthrough through independent research and development by applying PFFB (Post-Filter Feedback) technology to the V3 Mono for the first time. This effectively overcomes the common load dependency issues of Class-D amplifiers, improving distortion and enhancing frequency response, thereby significantly enhancing sound quality and performance. Audiophile-Grade Components: The V3 Mono incorporates the high-end TPA3255 Class-D amp chip, paired with well-known components such as Japanese Nichicon filter capacitors, ELNA capacitors, German WIMA capacitors, and Japanese Sumida inductors, etc. Additionally, it features an upgraded four-layer PCB. This combination not only ensures high power output but also achieves a THD as low as 0.006%, a SINAD of 101dB, and an SNR of 123dB. As a result, the fidelity and quality of the audio are assured. Advanced Cooling: Utilizing Fosi Audio's pioneering full-body heat dissipation design, the TPA3255 amplifier chip is placed at the bottom and tightly integrated with the chassis, allowing heat to be effectively dissipated through the casing. Coupled with dual side ventilation holes that enhance internal airflow, this ensures the V3 Mono can deliver stable, high-power output over extended periods. User-Friendly Design: Supports both XLR/¼" TRS balanced and RCA single-ended(with gain selection) inputs, with an easy toggle switch for selection. Additionally, it features an auto power/signal sensing mode to enhance energy efficiency. You can also customize your preferred sound signature by replacing the stock NE5532 op-amps, supporting DIP8 dual discrete op-amps such as Sparkos SS3602, MUSES02, OPA2604, Burson V5i, V6, V7, and more. Continuation of Co-Creation Engineered for Audiophiles - Optimal Choice for Home Audio Systems In 2023, following the launch of the V3 stereo amplifier, we received numerous valuable suggestions and feedback from our global audio lovers. We listen intently, record diligently, and develop with dedication, ultimately striving to transform your suggestions and ideas into reality—the V3 mono. Input: RCA, XLR, ¼" TRS; Output: Passive Speaker (supports banana plug or bare wire connection) SINAD: XLR--101dB; RCA--93dB; SNR: ≥123dB Rated Power Output: 48V/5A 240W@4Ω; 32V/5A 100W@4Ω Specification: Power : 48V5A--240W Frequency response: 10HZ-30KHZ(±0.06dB) Terminal impedance: 2-8Ω Input sensitivity: 860mV Distortion: 0.006% Noise: 31uV Gain: RCA: 25dB,31dB; XLR: 20dB SNIAD: RCA:93dB; XLR:101dB Signal input mode: RCA/XLR Power amplifier chip: TPA3255 Package including:Need you choose V3 Mono amplifier X1 48V/5A power supply X1 Copyright © 2023 Dianxiaomi

Fosi Audio BL20C 2.1 digital bluetooth amplifier 320 watts 32v 5a power supply

By |July 23rd, 2026|

The built-in Bluetooth connectivity allows for seamless wireless streaming from your devices, making it perfect for any modern audio setup.

Fosi Audio M03 200W TPA3255 Subwoofer Amplifier Mini Mono Channel Amp W/ 32V/5A

By |July 23rd, 2026|

The Fosi Audio M03 200W TPA3255 Subwoofer Amplifier is a compact and powerful mini mono channel amp designed for home audio systems. With a sleek design and dimensions of 5.12 x 4.13 x 1.37 inches, this amplifier from Fosi Audio offers 200W of power and features the TPA3255 chip for high-quality sound output. Its surface-mount design allows for easy installation, and it comes with a 1-year manufacturer warranty for added peace of mind. Perfect for enhancing your audio experience, this amplifier provides a full frequency response and digital features for a versatile and immersive listening experience.

Fosi Audio 48V 32V Power Supply Adapter Unit for TB10D, BT20A PRO,V3 US AU EU UK

By |July 23rd, 2026|

(The overload and over-temperature protection escorts you to enjoy music continuously and stably. Output: 48V/5A; 48V/10A;32V/5A. Input: AC 100-240V. Audio accessories and consumables such as vacuum tubes).

OEM Fosi Audio SW202732005000D 32V 5A AC Adapter Amplifier Power Supply

By |July 23rd, 2026|

This is very important!

Fosi Audio M03 200W TPA3255 Subwoofer Amplifier Mini Mono Channel Amp W/ 32V/5A

By |July 23rd, 2026|

About this itemSubwoofer Amplifier and Full-Frequency Mono Amp:Switch to PBTL, M03 is a Full-Frequency Mono amp for driving passive speakers and powered subwoofer. Switch to SUB, M03 is a subwoofer amplifier for diving passive and powered subwoofers.M03 adopts the Texas Instruments TPA3255D2 chip that features an advanced integrated feedback design and proprietary high-speed gate driver error correction (PurePath Ultra-HD). This technology allows ultra low distortion across the audio band and superior audio quality.High Efficient Power Output up to 200Watt. M03 can provide 150 watts RMS into 4-ohm loads or 120watts to 8-ohm loads. (Note: Package comes with 32V/5A power supply, you need a more powerful power supply to get the MAX power output.Home Hi-Fi Amplifier with Clean Sound Quality. Built-in low pass filter for 20-300Hz subwoofers with SUB frequency control. Great amplifier to driver any bookshelf speaker or subwoofer.What You Get: M03 amp x1, 32V/5A power adapter x1, user manual x1, our worry-free 24-month warranty, and friendly customer service. Subwoofer Amplifier Full-Frequency Mono AmpMini Stereo Audio Amp with SUB Frequency ControlPower Adapter: 32V/5ADC Input Range: 24V-48VTerminating Impedance: 4 - 8 OhmRMS Power Output: RMS 150watt @ 4ohm, RMS 120watt @ 8ohmFull Frequency Response Range: 20Hz-20KHz(± 3db)Bass Frequency Range: 20-200HzInput Sensitivity: ≤ 0.2mVSNR ≥ 106dBTHD ≤0.03% Fosi Audio Exclusive DesignSwitch to PBTL, it's a Full-Frequency Mono amp for driving passive speakers and a powered subwoofer. Switch to SUB, it's a subwoofer amplifier for diving passive and powered subwoofers.High Efficient Power OutputAdopt Texas Instruments TPA3255D2 Chip, MAX power output up to 200Watt, providing 150 watts RMS into 4-ohm loads or 120 watts to 8-ohm loads. Strong internals makes for A lively listen.Safe DC OutletWith a built-in power protection circuit, there are no sparks flying when you plug the power adapter into the amplifier. Safe for use!DIY Your Audio SystemThis amplifier gives you the power and versatility you need to create a professional sound system. Great amp to drive most home bookshelf speakers or subwoofers. Package include:Fosi Audio M03 Amplifier x132V 5A Power Adaptor x1User’s Manual x1 Solid Built Aluminum Alloy EnclosureCurved edges and sleek controls accentuate its unibody design. With truly useful features, and thoughtfully designed premium enclosures.32V/5A Power SupplyFosi Audio M03 amp comes with an energy-efficient and stable power supply which got authoritative certification by many security tests can get an astonishing sound.

Fosi Audio BT20A PRO Bluetooth 5.0 Amplifiers TPA3255 2.0 Channel Class D Hi-Fi

By |July 23rd, 2026|

NEW ITEM

Fosi Audio BT20A Pro Audio Amplifier Bluetooth Home Stereo HiFi Class D 48V/32V

By |July 23rd, 2026|

Store CategoriesStore CategoriesMono Amplifiersubwoofer amplifierOtherFosi Audio BT20A Pro 300W x2 TPA3255 Bluetooth 5.0 Home Audio Stereo 2 Channel Amplifier Receiver Mini Hi-Fi Class D Upgraded Integrated Amp for Speakers with Bass Treble Control Product Description Features: 300 Watts x2 Power Output: Provided by the TI TPA3255 chip which features an advanced feedback design and proprietary high-speed gate driver error correction. In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5W. High Efficiency: A significant upgrade from the BT20A amplifier. There're two plug-ins NE5532 Op-Amps can be replaced by MUSES02/OPA26041P/OPA2134PA Op-Amps etc. To create a different sound quality. SNR≥108dB; THD≤0.005%. Upgraded Bluetooth 5.0 connectivity: By pressing and holding the volume control for five seconds, the Bluetooth pair can be cleared. In addition, it has a Bluetooth memory function, so it can be easily paired the next time. It also receives an alert tone. Sound Control: With its unique design, the BT20A Pro amplifier for home audio has a wide range of bass and treble controls. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects. Specifications: Model:BT20A PRO Output Power:300Wx2 @4Ω Terminating Impedance:2-8Ω Input Mode:Bluetooth + RCA Output Mode:Passive Speakers + Pre-out Frequency Range:20Hz-20kHz(±1.2dB) THD ≤0.005% SNR ≥108dB Chip Set:TPA3255 Bluetooth Transmission Distance:Up to 50Ft Bluetooth Transmission Format:SBC/AAC Device Dimension:5x5x1 inches DC Input Range:24-48V Power Supply:32V 5A What‘s in the box? BT20A Pro Power Amplifier x 1 Bluetooth Antenna x 1 32V/48V 5A Power Adapter x 1 AC Cord x 1 User’s Manual x 1 Copyright © 2023 Dianxiaomi

Fosi Audio MC331 Tube DAC Integrated Amplifier, 2CH Home Audio Stereo Power Amp

By |July 23rd, 2026|

Fosi Audio MC331 Tube DAC Integrated Amplifier. It supports multiple input options, including RCA, USB, optical, coaxial, and Bluetooth, making it a flexible choice for desktop audio systems, bookshelf speakers, and headphone listening.

Fosi Audio P4 Mini Preamplifier 3 Inputs Gain Bass&Treble Control (Refurbished)

By |July 23rd, 2026|

Like new only used for a few hours, no issues.