Fosi Audio M03 Subwoofer amplifier (100W, 8 Ohm)

Powerful and compact Hi-Fi amplifier with flexible SUB or mono operation, low-pass filter, and crystal-clear audio.

Product no:

134 EUR /pc.

AV-CONNECTION

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+20 years of experience

30 days return policy

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Highlights:

• Powerful Hi-Fi amplifier with up to 200W output
• Supports both subwoofer and full-frequency mono operation
• Switch between SUB and PBTL modes to suit your setup
• Compact design with built-in low-pass filter (20–300 Hz)
• Ideal for both passive and powered speakers/subwoofers
• Crystal-clear audio with low distortion (THD = 0.03%)
• High signal-to-noise ratio of =106dB
• Includes 32V/5A power supply

Powerful Sound in a Compact Design:

The Fosi Audio M03 is a compact yet highly efficient Hi-Fi amplifier that impresses with its ability to deliver 150W RMS at 4 ohms – and up to 200W peak output. This power makes it ideal for bookshelf speakers, larger passive subwoofers, and for those seeking a significant upgrade to their home audio setup. It’s equipped with the renowned TPA3255D2 chipset from Texas Instruments, delivering high efficiency and ultra-low noise and distortion. This ensures crystal-clear, precise reproduction – even at high volume levels. The M03 proves that great sound doesn’t require a large footprint.

Flexible Operation: Sub or Mono:

With a simple switch on the back, you can toggle between SUB mode and PBTL mode, giving the M03 exceptional versatility. In SUB mode, the amplifier functions as a dedicated subwoofer amp, driving both passive and powered subwoofers with depth and punch. The built-in low-pass filter (20–300Hz) gives you full control over your subwoofer’s output, ensuring accurate tuning for your listening space. In PBTL mode, the M03 works as a powerful full-range mono amplifier – perfect for single-speaker setups or as part of a stereo bi-amping system using two units.

Designed for Hi-Fi Enthusiasts:

The M03 is crafted for audio purists who demand more than just “good sound.” This amplifier blends precision and power with a minimalist aesthetic that fits effortlessly into any modern setup. Its compact form factor makes it suitable for desktop or hidden installations – behind shelves, under desks, or inside hi-fi racks. The low-pass filter and SUB frequency control allow fine-tuning at the highest level, while the ultra-low distortion of =0.03% and an SNR of =106dB deliver dynamic, clean sound with clarity and plenty of headroom.

Perfect for Small and Large Setups:

Whether you're upgrading the sound in your living room, creating a minimalist system at the office, or adding deep bass to your home theater, the M03 integrates seamlessly. Its small size makes placement easy, even in tight spaces. The included 32V/5A power supply handles most demands and ensures stable performance, but for demanding subwoofers, you can upgrade to a 36V PSU to unleash the amp’s full potential. With support for 4–8 ohm speakers, the M03 integrates effortlessly into new or existing setups – making it the obvious choice for anyone seeking high-end audio in a compact and flexible form.

Specifications:

• RMS Output Power: 200W at 4 Ohms, 100W at 8 Ohms
• Terminating Impedance: 4–8 Ohms
• Input Sensitivity: = 0.2mV
• Frequency Response: 20Hz–20KHz (±3dB)
• Bass Frequency Range: 20–200Hz
• THD: = 0.03%
• SNR: = 106dB
• DC Input Range: 24–35V
• Power Supply: 32V / 5A (included)

Brand description - Fosi Audio

Fosi Audio redefines HiFi by combining innovation, quality, and value. Since 2017, they have been creating high-performance home audio solutions that integrate advanced technology with affordability. Our product range includes amplifiers, DACs, speakers, and headphone amps—designed in close collaboration with users to ensure an unparalleled sound experience. With a passion for HiFi and a commitment to excellence, they continue to deliver top-tier sound without the premium price tag.

Manuals and user guides for Fosi Audio products

Unfortunately, as manufacturers do not make manuals or guides in all languages, we cannot guarantee that a local language manual is included for the item.
- If you are unsure about a manual available in the desired language, just contact us and we will do what we can to help.