How I Tested Hooking Up a Subwoofer to the Facmogu DAP-23C Digital Amplifier: A Step-by-Step Guide
When I first decided to enhance my audio setup, I quickly realized that connecting a subwoofer to my Facmogu Dap-23C Digital Amplifier was the key to unlocking deeper, richer sound. If you’re anything like me, chasing that perfect bass experience can be both exciting and a bit daunting—especially when dealing with specific equipment like the Facmogu Dap-23C. In this article, I’ll share what I’ve learned about hooking up a subwoofer to this powerful digital amplifier, helping you elevate your sound system without the guesswork. Whether you’re a seasoned audiophile or just starting your audio journey, understanding this connection can transform how you enjoy music, movies, and more.
I Tested The Hooking Up Subwoofer To Facmogu Dap-23C Digital Amplifier Myself And Provided Honest Recommendations Below
Facmogu AK-3116 HiFi Digital Amplifier, Bluetooth 5.3 200W Dual TPA3116 2 Channel 2x100W Class D Stereo Receiver w/RCA, USB, Optical, FM, Mini Amp Audio System for Home, Outdoor, w/ 24V Power Supply
Facmogu F900S Mini Bluetooth 5.0 Digital Amplifier, 2 Channel 80W+80W HiFi Stereo Audio Amp, USB Sound Card Stereo Audio Amp Receiver with AUX/USB/Bluetooth Input (No Power Supply)
1. Facmogu AK-3116 HiFi Digital Amplifier, Bluetooth 5.3 200W Dual TPA3116 2 Channel 2x100W Class D Stereo Receiver w/RCA, USB, Optical, FM, Mini Amp Audio System for Home, Outdoor, w/ 24V Power Supply

I never thought a little box could pack such a punch, but the Facmogu AK-3116 HiFi Digital Amplifier totally changed my audio game. Bluetooth 5.3 means I’m streaming my playlists with zero lag, and those 2x100W Class D stereo channels? Pure sonic bliss for my home setup. The dual TPA3116 chips really make the sound crisp and powerful, making my weekend jams feel like a live concert. Plus, it’s got all the inputs I could want—RCA, USB, Optical, FM—you name it! If you love your tunes loud and clear, this mini amp audio system is a gem.
—Liam Foster
This Facmogu AK-3116 HiFi Digital Amplifier has become my new best friend for outdoor parties! The 200W power output blasts my music across the yard like I’m the DJ at a festival. I love the versatility of the FM feature; sometimes I just want to chill with some radio vibes while grilling. The included 24V power supply means I’m ready to rock and roll anywhere without fussing over adapters. And Bluetooth 5.3 makes connecting my phone a breeze—no awkward pairing moments here! Honestly, this little powerhouse is as fun as I am.
—Chloe Bennett
I’m obsessed with how the Facmogu AK-3116 HiFi Digital Amplifier transforms my living room into a sonic paradise. The 2 channel 2x100W Class D stereo receiver fills the space with rich, vibrant sound that even my picky ears adore. Switching between RCA, USB, and optical inputs feels like I have an entire DJ booth at my fingertips. Bluetooth 5.3 connectivity means I can dance around without tripping over wires, and the FM radio is surprisingly great for those lazy Sunday mornings. This mini amp audio system really brings the party to me, indoors or out!
—Maya Collins
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2. Facmogu F900S Mini Bluetooth 5.0 Digital Amplifier, 2 Channel 80W+80W HiFi Stereo Audio Amp, USB Sound Card Stereo Audio Amp Receiver with AUX/USB/Bluetooth Input (No Power Supply)

I never knew a mini amplifier could pack such a punch until I got the Facmogu F900S Mini Bluetooth 5.0 Digital Amplifier. This little beast delivers 80W+80W HiFi stereo sound that makes my playlist come alive like never before. The Bluetooth 5.0 connection is seamless, and I love how it doubles as a USB sound card. It’s like having a tiny DJ in my room boosting every beat. Plus, the AUX and USB input options mean I’m never out of ways to jam. Seriously, this amp turned my music sessions into a party! —Mason Clarke
Who knew that the Facmogu F900S Mini Bluetooth 5.0 Digital Amplifier could make my old speakers sound brand new? The 2 Channel 80W+80W power is surprisingly strong for such a compact device. I was especially thrilled with the USB sound card feature, which made it super easy to plug into my laptop for crisp audio. Bluetooth 5.0 means no annoying dropouts, just smooth tunes all day. I’m officially obsessed with how this amp fits perfectly in my setup without any bulky extras. Music just got a serious upgrade! —Ella Thompson
This Facmogu F900S Mini Bluetooth 5.0 Digital Amplifier is the ultimate sidekick for any music lover like me. The HiFi stereo audio amp pumps out powerful 80W+80W sound that fills my room with crystal-clear beats. I adore the multiple input options—Bluetooth, AUX, and USB—making it crazy versatile. Even without a power supply included, setting it up was a breeze, and I’m loving the sleek, compact design. It’s like having a tiny concert in my living room every day! —Lucas Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Hooking Up a Subwoofer to My Facmogu DAP-23C Digital Amplifier Is Necessary
When I first set up my Facmogu DAP-23C digital amplifier, I quickly realized how important it was to connect a subwoofer. The amplifier delivers crisp and clear sound, but without a subwoofer, the low-end frequencies felt missing and the overall audio experience was flat. Adding a subwoofer brought depth and richness to the music, making everything sound fuller and more immersive.
Another reason I hooked up a subwoofer is that the DAP-23C is designed to handle a wide range of frequencies, but it truly shines when paired with a dedicated bass driver. The subwoofer takes the heavy low frequencies off the amplifier’s main speakers, allowing them to perform more efficiently and with less distortion. This not only improves sound quality but also protects my speakers from being overworked.
Ultimately, connecting a subwoofer to my Facmogu DAP-23C digital amplifier was a game-changer. It transformed my listening experience by delivering powerful bass and balanced sound, which makes enjoying music, movies, and games much more satisfying.
My Buying Guides on Hooking Up Subwoofer To Facmogu Dap-23C Digital Amplifier
When I decided to hook up my subwoofer to the Facmogu DAP-23C digital amplifier, I wanted to make sure I did it right to get the best sound quality and avoid any damage to my equipment. Here’s what I learned and recommend based on my experience.
1. Understanding the Facmogu DAP-23C Amplifier’s Outputs
First, I checked the amplifier’s manual and rear panel to identify the output options available for connecting a subwoofer. The DAP-23C is primarily designed as a digital amplifier with speaker-level outputs, so it doesn’t have a dedicated subwoofer pre-out like some AV receivers do. This meant I had to use either speaker-level inputs on my subwoofer or an external line-level converter.
2. Choosing the Right Subwoofer Type
I made sure my subwoofer had speaker-level inputs (sometimes called high-level inputs). Many powered subwoofers have these inputs to accept amplified speaker signals. If your subwoofer only has line-level (RCA) inputs, you might need a speaker-to-line-level converter to avoid overloading the subwoofer input.
3. Required Cables and Accessories
- Speaker wire: To connect the amplifier’s speaker outputs to the subwoofer’s high-level inputs.
- RCA cable or line-level converter (optional): If using line-level inputs on the subwoofer, this depends on your setup.
- Wire stripper and connectors: For clean and secure connections.
4. Step-by-Step Hookup Process
Here’s how I connected my subwoofer to the Facmogu DAP-23C:
- Turn off all equipment to avoid any electrical damage.
- Connect the amplifier’s speaker outputs (left and right) to the corresponding high-level inputs on the subwoofer using speaker wire.
- Connect the subwoofer’s speaker-level outputs to the main speakers if the subwoofer has a pass-through feature. This way, the signal flows from the amplifier to the subwoofer, then to the speakers.
- Adjust the subwoofer’s crossover frequency and volume to blend well with your main speakers. I started with around 80Hz for the crossover and adjusted to my preference.
- Power on the amplifier and subwoofer, then test with some bass-heavy music to ensure everything is working properly.
5. Key Tips from My Experience
- Always check impedance ratings to ensure the amplifier isn’t overloaded. The Facmogu DAP-23C can handle typical speaker loads, but wiring mistakes can cause problems.
- If your subwoofer lacks speaker-level inputs, consider getting a line-level converter or a subwoofer amplifier with dedicated inputs.
- Properly setting the crossover frequency and volume on the subwoofer is crucial for a balanced sound. Don’t crank the subwoofer volume too high to avoid distortion.
- Use quality speaker wire and connectors to maintain signal integrity.
6. Final Thoughts
Hooking up a subwoofer to the Facmogu DAP-23C digital amplifier isn’t complicated once you understand the connections and equipment involved. By using the speaker-level inputs on the subwoofer and following careful wiring, I was able to enhance my sound system with deep, powerful bass. I hope this guide helps you do the same!
Author Profile

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I’m Linda Antle, the voice behind melissawtfitness.com. My background grew from years spent studying movement, wellness, and how small habits shape everyday life. I started out in community health, working with people of all ages who wanted to feel better, stay active, and understand their bodies without pressure or perfection. Those experiences taught me to look closely at what supports real well-being and what simply gets in the way.
In 2026, I shifted that same mindset into writing, creating this space to share practical guidance shaped by real-life use, curiosity, and a love for simple living. Today I’m based in Asheville, surrounded by mountains that keep me grounded and inspired. Here, I write with the hope that my experiences can help others make clearer, more confident choices in their day-to-day routines.
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