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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
- Sampling Rates: USB 24bit/96kHz; OPT/COA 32bit/192kHz
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Supports Five Digital/Analog Inputs
Equipped with mainstream inputs Bluetooth/RCA/COA/OPT/USB, compatible with various audio devices.
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Visual Dial, Pointer Dances to the Music
Real-time signal display helps you adjust the volume to avoid overload and distortion.
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Customize Your Unique Sound
With bass & treble knobs featuring central detents for natural sound reproduction.
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Dual Amp Chips for High Power Output
100 aluminum alloy cooling fins improve heat dissipation & sustain high-quality sound performance.
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Enables Switching among Various Audio Sources
Save the hassle of repeatedly plugging and unplugging cables, extending the longevity of devices.
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Effortless Low-Latency, HiFi Audio Sound
Smartphone + MC351 (Bluetooth Input) + Passive Speakers
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Immerse Yourself in a Movie Night
TV + MC351 (OPT/COA Input) + Passive Speakers + Subwoofer
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Upgrade Your Audio Setup
Computer + MC351 (USB Input) + Passive Speakers
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Unveil Vintage Charm
Turntable+ MC351 (RCA Input) + Passive Speakers
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All-Aluminum Alloy Chassis
With precision CNC machined and finely sandblasted, featuring a minimalist and durable design.
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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.
Bruce M. Walker
Reviewed in Canada on March 4, 2025
This is a lovely looking piece of gear with appealing vintage touches like the VU meter but with less appealing vintage touches like the volume on/off control.It has an unusual design: 2.1, meaning it has three complete power amplifier channels: left, right and subwoofer.the sub amp has extra oomph for a larger woofer. I am however puzzled how to deploy this using all three amps. If I had a passive sub I’d need an external line-level high and low pass filter for the L+R mains and subwoofer inputs. It’s rare to find passive subwoofers for sale too. I haven’t seen one lately.It has a beautiful appearance and styling, with a gorgeous satin-like feel to the enclosure. It's fairly hefty to lift and stays solidly in place on my shelf. The knobs rotate super smooth, and the two tone controls have nice clicky zero detents. The illuminated analog VU meter looks great and delightfully vintage, with its contrasting copper ring that matches the volume control.When powered on the input selector searches briefly for an active input. It defaults to the last selected one. Lots of inputs are provided with one each of RCA, digital coax, optical, USB, and the latest Bluetooth 5.3.The sound fidelity is absolutely excellent. I drove my Boston Acoustics A40 sealed enclosure speakers with to moderate levels with no issues whatsoever.I was pleasantly surprised by the excellent fidelity of the Bluetooth connection. It’s clear that Bluetooth 5.3 has some wonderful hi-fi tricks up its sleeve as the quality of that was almost indistinguishable from connecting digital direct by USB-C (from a MacBook). I feel the BT wireless input on this amp is a perfectly usable alternative to WiFi, to be honest.I found a few negatives or "I wish it had":- I think that HDMI eARC would have been a nice input to use this in a TV setup, but optical digital should be okay for most folks.- I don’t like that the power-on/off is done by rotating the volume control. I prefer a separate control for power.- The VU meter barely registers on moderate sound level inputs. In my setup, so it might as well not be there at all.
NG
Reviewed in Canada on March 15, 2025
I’ve been using thiw Fosi Audio MC351 for a bit now, and it really stands out. The sound quality is impressive, with great power and clarity from the chips, especially in the 2.1 setup. I love the vintage VU meter—it's a cool touch that adds a bit of retro flair to the setup. The control design is straightforward, and I’ve had no issues switching between inputs.
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