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Facmogu ST-838 2.1 Channel HiFi Stereo Subwoofer Amplifier, RMS 20Wx2+40W Mini Digital Audio Power Amplifier for Home Speakers, 80W Subwoofer
TMT 131
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Don't be fooled by its size, it’ll give your entertainment system a serious boost.
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What Stands Out
Product Details
- 【Mini Size but Powerful】-- Don't be fooled by its size, it’ll give your entertainment system a serious boost. With 2.1 channel output RMS 20W×2(L/R)+40W(subwoofer), which can drive most home/car/marine/outdoor passive speakers and subwoofers, and with excellent sound. Low distortion, acoustically accurate reproduction of music, which sounds smooth and full.
- 【Bass & Treble & Sub Vol Control】-- Designed with main volume, treble and bass control knobs, Which for more delicate adjustment of the sound, much fun and high playability. Besides main volume, treble and bass control, sub volume control is specially designed. They allow you to control the volume of passive Subwoofer and two passive speakers separately as you wish.
- 【RCA & AUX Inputs】-- With standard stereo RCA and 3.5mm AUX inputs, can be compatible with various devices, such as mobile phone, MP3, MP4, CD player, TV, computer etc. Just enjoy your music the way you want to. Besides, there's a little blue woofer alert that turns on when the woofer is beating.
- 【Portable & Convenient】-- Mini Size: 5.9x3.6x1.4" / 15x9.1x3.7cm, amplifier weight: 0.66 pounds/ 0.3kg. Compact design with exquisite appearance, matt black case looks fashionable and durable, unique structure design easy to be installed in car, marine, RV, golf cart or home, which save space and convenient to operate.
- 【Great Value Choice】-- The package comes with a Facmogu DC 12V 3A adapter valued at over $10, which makes purchasing this ST-838 amplifier a very good deal. You don't have to find a adapter with 5.5x2.5mm plug in your pile of old power adapters or pay for another one.
| Voltage | 12 Volts |
| Maximum Supply Voltage | 12 Volts |
| Minimum Supply Voltage | 11 Volts (DC) |
| Mounting Type | Freestanding |
| Number of Channels | 2 |
| Output Power | 80 Watts |
| Package Type Name | box |
| Specification Met | FCC |
| Manufacturer | Facmogu |
| Model | A18226-MG-US |
| Brand Name | Facmogu |
| Part Number | A18226-MG-US |
| Item Weight | 5 lbs (2.27 kg) |
Who Should Buy?
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Home Audio Enthusiasts
Ideal for users wanting to enhance their home audio experience with reliable stereo and subwoofer performance.
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Compact Spaces
Great for small rooms or apartments needing powerful sound without large audio equipment.
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Budget Buyers
Perfect for users seeking a cost-effective audio amplifier without sacrificing sound quality for home use.
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Professional Use
Not suitable for professional audio setups requiring high-end equipment and features for gigs or studios.
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Large Rooms
May not deliver sufficient power for larger spaces needing robust amplification and sound coverage.
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High Demand Gamers
February may not meet the audio demands of serious gamers who require advanced sound systems for immersion.
Product Description
Customer Questions & Answers
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Question:
What is the output power of the Facmogu ST-838 amplifier?
Answer: The Facmogu ST-838 amplifier boasts an RMS output of 20Wx2 for the stereo channels and can deliver up to 240W of peak power. This makes it suitable for a variety of audio setups. The Class D design offers high efficiency and low heat generation, allowing for consistent performance. Users can expect clear sound reproduction, making it perfect for home theater systems, gaming setups, or music listening. -
Question:
Does the Facmogu ST-838 support a subwoofer?
Answer: Yes, the Facmogu ST-838 features a dedicated subwoofer output, making it a versatile choice for enhancing your audio experience. This allows you to connect an external subwoofer for deeper bass response, complementing the overall sound signature of your speakers. It's particularly beneficial for movie enthusiasts and music lovers who want to enjoy rich, immersive sound. -
Question:
What types of devices can be connected to the Facmogu ST-838?
Answer: The Facmogu ST-838 amplifier can connect to various audio sources, including TVs, computers, smartphones, and gaming consoles, through its RCA input. This flexibility means you can use it in a wide range of settings, whether you're enjoying a movie night with friends or having a gaming session. Its compatibility ensures that you can enhance any setup with powerful sound output. -
Question:
Is the Facmogu ST-838 amplifier portable?
Answer: While the Facmogu ST-838 is compact in design, it is primarily designed for stationary use. Its small footprint makes it easy to integrate into entertainment centers or desktop setups but lacks features for mobility like battery power. For users who appreciate a minimalistic setup without sacrificing sound quality, it's an excellent choice for home or office environments. -
Question:
Can I use the Facmogu ST-838 for outdoor events?
Answer: The Facmogu ST-838 is optimized for indoor use due to its power specifications and design. For outdoor use, you would need an adequate power source, such as a generator or an AC outlet, and it may not produce the same sound projection as larger, dedicated outdoor speakers. However, it can still work well for small gatherings in sheltered areas like patios or backyards. -
Question:
What is the significance of Class D in the Facmogu ST-838 design?
Answer: Class D amplifiers, like the one in the Facmogu ST-838, are known for their high efficiency and compact size. This technology reduces power loss and minimizes heat production, allowing for a lightweight design without sacrificing audio quality. Users can enjoy longer listening sessions with reduced energy costs, making it an eco-friendly option while still delivering high-fidelity sound. -
Question:
How do I connect the Facmogu ST-838 to my audio sources?
Answer: Connecting the Facmogu ST-838 to your audio sources is straightforward. You can use RCA cables to link it with your TV, computer, or any compatible audio device. Once connected, adjust the volume and settings to your preference. This ease of setup allows for a quick transition to enjoying your favorite music or films with enhanced sound. -
Question:
Does the Facmogu ST-838 come with a remote control?
Answer: The Facmogu ST-838 does not include a remote control; however, its straightforward design makes it easy to adjust settings directly on the unit. Users who prioritize simplicity can benefit from this approach, minimizing the risk of losing remotes. The manual controls are intuitive, ensuring quick adjustments while maintaining a clean aesthetic in your audio setup. -
Question:
What kind of speakers work best with the Facmogu ST-838?
Answer: The Facmogu ST-838 pairs well with a variety of speakers, especially those designed for home audio setups. It works effectively with bookshelf speakers or floor-standing models, which can take advantage of its powerful output. Users looking to create a balanced sound system will appreciate how well the amp enhances both mid-range and high-frequency sounds. -
Question:
Where can I buy the Facmogu ST-838 in Turkmenistan?
Answer: You can purchase the Facmogu ST-838 2.1CH Audio Power Amplifier directly from Ubuy in Turkmenistan. Ubuy offers a user-friendly platform and various options to find the product you're looking for, ensuring a seamless shopping experience.
Facmogu Amplifiers Editorial Review
The Facmogu ST-838 2.1 Channel HiFi Stereo Subwoofer Amplifier is a budget-friendly option for those looking to enhance their audio experience at home. While it may not have all the features and power of higher-end amplifiers, it still delivers decent sound quality and functionality. One customer mentioned that the treble boost on this amplifier is not very effective and recommended getting a more powerful amp for those with hearing problems that require more treble. Another customer questioned how this amplifier can be rated at 20x2w + 40w (sub) = 80w when it only uses a 36-watt power supply. It was explained that these are likely maximum watts per channel and not all channels will run at maximum power simultaneously. Customers were pleased to find that this amplifier works well with a pair of 20-watt 4-ohm speakers and can also be connected to a passive subwoofer. It can be used with a PC with a sound blaster card, but it does not support a line-out and can only be used as an input for free-standing speakers. Another customer in the review mentioned that this amplifier is rated for 12V, 3 amps and can be powered from a 12-volt power tool battery, potentially up to 14 volts. However, it was recommended to stay close to the rated power for optimal performance and to avoid any potential damage due to lack of built-in protection. Reviews of this amplifier were mixed. Some customers were satisfied with its performance, mentioning that it worked well as a replacement for a previous board and delivered great sound quality. One customer even praised its powerful performance for its size. However, another reviewer expressed disappointment with the lack of bass output and questioned if the unit was actually working properly. In summary, the Facmogu ST-838 2.1 Channel HiFi Stereo Subwoofer Amplifier is a budget-friendly option that delivers decent sound quality and functionality. However, it may not be suitable for those with specific audio requirements or for picky audiophiles.
Customer Reviews & Ratings
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5 Star
59%
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4 Star
19%
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3 Star
8%
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2 Star
4%
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1 Star
10%
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Pros
- Budget-friendly
- Works well with a pair of 20-watt 4-ohm speakers
- Can be used with a passive subwoofer
- Can be powered by a 12-volt power tool battery
- Easy to install and use
Cons
- Ineffective treble boost
Product Price History
Important information
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TMT 131
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Features & Benefits
- Compact 2.1CH amp with powerful RMS 20W×2(L/R)+40W(sub).
- Low distortion for clear and accurate sound reproduction.
- Bass, treble, and sub volume control for precise audio adjustments.
- Compatible with multiple devices via RCA & AUX inputs.
- Stylish, space-saving design perfect for home, car, or marine use.
- Includes a valuable DC 12V adapter, enhancing overall value.























