Fosi Audio MC351 2.1 Channel Integrated Amplifier with DAC, Home Audio Stereo Power Amp with Dual TPA3255 Chips for HiFi Passive Speakers, Vintage VU Meter Receiver with Bluetooth and USB/Opt/Coax

Price: $199.99 - $21.99
(as of Nov 26, 2025 15:10:33 UTC – Details)

Product description

Tribute to Classics MC351 2.1 Channel Integrated Amplifier with VU Meter

Equipped with a built-in DAC, the MC351 supports four types of digital inputs. With outputs of passive subwoofer and pre-out, it allows 2.1 system configuration. The inclusion of a circular VU meter adds a touch of vintage aesthetics, providing audio enthusiasts with visual and auditory pleasure.

All-in-One Multifunctional DAC Amplifier

Fosi Audio is dedicated to “redefining HiFi with unmatched value.” Inspired by audiophile feedback, we introduce the MC351, a pioneering power amplifier blending decoding and amplification, catering to diverse HiFi needs. Its classic meter design and dynamic pointer movement evoke nostalgia.

Input: BT/RCA/OPT/USB/COA; Output: Passive Speakers/Subwoofer/Pre-Out

Amp Chip: TPA3255×2; THD: ≤0.03%; SNR: ≥100dB

Max Output Power: 165W×2+350W@4Ω

Supports Five Digital/Analog Inputs

Equipped with mainstream inputs Bluetooth/RCA/COA/OPT/USB, compatible with various audio devices.

Visual Dial, Pointer Dances to the Music

Real-time signal display helps you adjust the volume to avoid overload and distortion.

Customize Your Unique Sound

With bass & treble knobs featuring central detents for natural sound reproduction.

Dual Amp Chips for High Power Output

100 aluminum alloy cooling fins improve heat dissipation & sustain high-quality sound performance.

1 Audio Inputs

2 VU Meter

3 Tone Tuning

4 Dual TPA3255

Enables Switching among Various Audio Sources

Save the hassle of repeatedly plugging and unplugging cables, extending the longevity of devices.

Effortless Low-Latency, HiFi Audio Sound

Smartphone + MC351 (Bluetooth Input) + Passive Speakers

Immerse Yourself in a Movie Night

TV + MC351 (OPT/COA Input) + Passive Speakers + Subwoofer

Upgrade Your Audio Setup

Computer + MC351 (USB Input) + Passive Speakers

Unveil Vintage Charm

Turntable+ MC351 (RCA Input) + Passive Speakers

1 2.1 Systems Supported

2 Wireless Streaming

3 Home Theater

4 Desktop Audio

5 Vinyl Experience

All-Aluminum Alloy Chassis

With precision CNC machined and finely sandblasted, featuring a minimalist and durable design.

1 Metal Body

2 Front Panel

3 Rear Panel

4 Binding Posts

5 Textured knobs

Multiple Outputs

Supports outputs for Passive Speakers, Subwoofer, and a Pre-out, enabling flexible setups for both stereo and 2.1 systems.

Automatic Standby Feature

Automatically enters standby mode after 2 minutes of no signal input, effectively reducing energy consumption and extending device lifespan.

Quick Mode Switching

Easily switch input modes with one click, and settings automatically restore to the previous upon restart, eliminating repetitive adjustments.

Dual 4700μF Capacitors

Features high-quality large-capacity capacitors that enhance sound quality, dynamic range, and stability, extending the amplifier’s lifespan.

Comparison

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Customer Reviews

4.2 out of 5 stars 118

4.4 out of 5 stars 430

4.1 out of 5 stars 222

4.4 out of 5 stars 1,447

4.5 out of 5 stars 2,269

4.5 out of 5 stars 386

4.4 out of 5 stars 261

Price

$151.99$151.99

$71.99$71.99

$103.99$103.99

$87.99$87.99

$89.99$89.99

$63.99$63.99

$79.99$79.99

Type

Bluetooth 2.1 CH Amp

Bluetooth 2.0 CH Amp

Bluetooth 4.1 CH Amp

Bluetooth 2.1 CH Amp

Bluetooth 2.0 CH Amp

Headphone Amplifier/Preamp

DAC+Headphone Amplifier/Preamp

MAX Power Output

165W x 2 + 350W @ 4Ω

100W x 2

30w*4+60W*1

165W×2+350W

300W x 2

2400mW@32Ω(High Gain)

3.5mm: 280mW,4.4mm:1100mW@32Ω

Input

Bluetooth 5.3+RCA+COA+OPT+USB

Bluetooth + RCA

Bluetooth + 3.5mm AUX + OPT

Bluetooth + RCA

Bluetooth + RCA

3.5mm line in

USB + Optical

Output

SPK OUT+SUB OUT+3.5mm PRE OUT

Passive Speakers+Pre-Out

3.5mm Pre-Out + Speaker Out

Passive/Active Speakers+Sub

Passive SPK+Active SPK/Sub/Amp

line out, 3.5/6.35mm headphone

3.5/4.4mm Headphone,AUX/OPT

Treble & Bass Control

✔

✔

✔

✔

✔

✔

✘

THD

≤0.03%

≤0.03%

≤ 0.03%

≤ 0.3%

≤ 0.005%

<0.001%

<0.001%

SNR

≥100dB

≥100dB

≥88dB

≥ 85dB

≥108dB

≥108dB

≥120dB

Terminating Impedance

4-8Ω

4-8 Ohm

4-8 Ohm

2-8Ω

2-8 Ohm

16-300 Ohm

16-300 Ohm

Power Adapter

32V/5A

24V/4.5A

–

32V/5A

32V/5A

–

–

Work Voltage

DC 24-48V

AC 110V – 240V

AC 110V – 240V

AC 110V – 240V

AC 110V – 240V

USB-C/DC5V

USB-C/DC5V

All-in-One DAC Amplifier: The 2 channel amplifier integrated amp features high-resolution decoding capabilities, supporting Bluetooth, USB, Optical, and Coaxial digital inputs. With its extensive input and output options, you can easily set up a 2.1 home theater or other stereo HiFi audio systems.
High Power with Great Sound: Equipped with two high-end Texas Instruments TPA3255 Class-D amplifier chips and a 100-fin heatsink, the power amplifier can stably output up to 165W x 2 + 350W power in a 2.1 channel setup. The dual PCBA separated design ensures that the input and output signals do not interfere with each other, providing you with the purest and most impeccable sound quality.
User-Friendly Control Design: Supports one-touch switching between 5 input modes and includes bass and treble controls, with central detents for tone defeating, for easy sound customization. It also features an automatic standby function, entering standby mode after 2 minutes of no signal input to effectively reduce power consumption.
Vintage Charm: The eye candy round mini VU meter adds a classic retro vibe to your sound system. The needle of the level meter will dance to the music, providing you with both visual and auditory enjoyment. The amplificador is an excellent companion for turntables, allowing you to relive classic tracks.
Exquisite Craftsmanship: Featuring an all-aluminum-alloy CNC integrated design and a finely sandblasted metal finish, the fosi amplifier boasts a seamless body with no visible screws, showcasing minimalist aesthetics.