Fosi Audio M03 Subwoofer Amplifier 300W Mono Amp Digital Hifi Home Power Audio Amplifier for Home Theater
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Specifications
- Brand Name
- Fosi Audio
- High-concerned chemical
- None
- Maximum Power Per Channel
- Above 200W
- Origin
- Mainland China
- Package
- Yes
- Certification
- CE
- Model Number
- M03
- Input
- RCA
- Output
- Passive (Speakers+Subwoofer)+Powered Subwoofer
- Color
- Black
- Type
- Subwoofer Amp/Mono Amp
- Manufacturer Warranty
- 24 months
- MAX Power Output
- 300W
- Feature
- Mono Amplifier
- Power Adapter
- 32V/5A
Product Description
Note:
M03 can reach 300W only when it connect with 32V/10A power supply, if you choose 32V/5A power in our listing, it can only reach max output 200W
Features:
【Hi-Fi Amp with Clean Sound Quality】Fosi Audio M03 subwoofer amp adopts the Instruments TPA3255D2 chip, High Efficient Power Output Up to 200Watt, providing 150 watts RMS into 4-ohm loads or 120watts to 8-ohm loads. Great amplifier to driver any bookshelf speaker or subwoofer.
【Subwoofer amplifier and Full-Frequency Mono Amp】Switch to PBTL, it's a Full-Frequency Mono amp for driving passive speakers and powered subwoofer. Switch to SUB, it's a subwoofer amplifier for diving passive and powered subwoofers.
【Mini Compact but Powerful】Built-in low pass filter for 20-300Hz subwoofers with SUB frequency control, small simple compact design but practical and powerful;
【Home Hi-Fi amplifier】Exclusively designed for the customers who pursue HiFi sound; MAX Power Output:200Watt. Note: Package comes with 32V/5A power supply, you need a more powerful power supply to get the MAX power output.
【Customer Service】We offer 24-month worry-free warranty and friendly customer service.
Highlight:
Model: M03
Power Adapter: 32V/5A
DC Input Range: 24V-36V
Terminating Impedance: 4 - 8 Ohm
RMS Power Output: RMS 150watt @ 4ohm, RMS 120watt @ 8ohm
Full Frequency Response Range: 20Hz-20KHz(± 3db)
Bass Frequency Range: 20-200Hz
Input Sensitivity: ≤ 0.2mV
SNR ≥ 106dB
THD ≤0.03%
Input Mode: RCA
Package Include:
*M03 Amplifier x1
*32V/5A Power Adaptor x1(Optional)
*User Manual x1
1. About Payment
We accept payment via Alipay, Paypal. All major credit cards are accepted through secure payment processor ESCROW.
2. About Shipment
Worldwide shipping (Except some countries and APO/FPO);
The following regions cannot deliver:
Spain: postcodes starting with 51, 52, 35, 38 or 07.
If the consignee address is belong to the above areas, please do not place order, the parcel cannot be delivered. thank you.
If you have not received your shipment within 30-60 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
3. About Return & Refund
If you are not satisfied with the product you received, please contact us first before open a dispute. We will respond and help to solve the problem once we receive your message.
4. About feedback
Our success depends on your satisfaction, so your feedback is very important to us. If you are satisfied with our products and services, please leave us positive feedback. please contact us before leaving any negative or neutral feedback, we will work with you to solver any problems.
5. Our Service
Warranty: We cover 18 Month warranty for all our products since shipment day. (excluding items damaged and/or misused after receipt). WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.
For all your inquiries about our products, we will reply you in detail within 24 hours.
We have well-trained and professional sales & after-sale services persons who can speak English fluently.
We offer dropshipping. please contact us if you are interested in dropshipping.
Pros & Cons
Pros
- High 300W max power output ideal for driving subwoofers
- Digital hi-fi design for clean home audio amplification
- Versatile outputs for both passive and powered subwoofers
- CE certified with 24-month warranty for reliability
Cons
- Requires specific 32V/5A power adapter which may not be included
- Origin from Mainland China may involve longer shipping times
- Limited input options only RCA no balanced connections
- Potential stock shortages as noted in product description
Common Questions
What power adapter is required for the Fosi Audio M03 Subwoofer Amplifier?
It requires a 32V/5A power adapter, which is specified in the product features.
What are the input and output options on this mono amplifier?
It has RCA input and outputs for passive speakers + subwoofer as well as powered subwoofer.
Is the Fosi Audio M03 compatible with home theater subwoofers?
Yes, it's designed as a 300W mono amp specifically for powering subwoofers in home theater setups.
What is the maximum power output and certification of this amplifier?
Maximum power output is 300W per channel, and it is CE certified.
What warranty and shipping details are provided for the Fosi Audio M03?
It comes with a 24-month manufacturer warranty, packages in yes packaging, and ships from Mainland China.
Product information last updated on March 24, 2026