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Item #:
9806762
SoundQubed S4-100 Multi Channel Amplifier - 100W (RMS) 4-Channel Car Amp - 2 Ohm Stable
76% of respondents would recommend this to a friend
Item #:
9806762
KYD 353
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The SoundQubed S4-100 amplifier is a powerful and versatile solution for upgrading car audio speaker systems, providing up to 175W RMS per channel and offering easy installation with its compact size and secure mounting tabs.
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What Stands Out
Powerful Output
Delivers a robust 100W RMS per channel, ensuring impressive sound quality and clarity for all your audio needs, enhancing your driving experience.
4-Channel Design
Allows for seamless integration with multiple speakers, providing an immersive audio environment while maintaining strong performance in various configurations.
2 Ohm Stability
Designed to operate efficiently at 2 Ohms, promoting flexibility in speaker selection and ensuring reliable performance without overheating, unlike many competitors.
Product Details
- The S4-100 is a high-efficiency Class D multi-channel amplifier with adjustable high pass, low pass, and band pass crossovers for tuning subwoofers, component speakers, and coaxials.
- Easy installation with set screw terminals for power/ground and speaker wire, and surface-mount feet for secure mounting.
- No electrical upgrades needed, delivers 375 Watts RMS @ 4 Ohm on two channels, perfect for basic 'door-swap' upgrades.
- Adjustable crossovers including high pass, low pass, and band pass to prevent poor sound quality and speaker damage.
- 175 Watts per channel in stereo on four channels at 2 Ohm, 100 Watts per channel in stereo on four channels at 4 Ohm. Channels 3 and 4 can be bridged for combined output to a small subwoofer.
- Established in 2002, SoundQubed focuses on providing high-quality products and post-sale education and service for DIY audio enthusiasts.
| Voltage | 12 volts |
| Maximum Supply Voltage | 15.8 volts_of_direct_current |
| Minimum Supply Voltage | 12 volts_of_direct_current |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Output Power | 400 watts |
| Package Type Name | Electronic Download |
| Supply Current | 75 A |
| Maximum Output Power | 175 watts |
| Item Dimensions | 7.87 x 7.75 x 2.24 inches (20 x 19.7 x 5.7 cm) |
| Specification Met | Fcc, Ce (Probable), Rohs (Probable), Weee (Probable) |
| Manufacturer | SoundQubed |
| Model | S4-100 |
| Brand Name | SOUND Q QUBED |
| Number of Items | 1 |
| Unit Count | 1 Count |
| UPC | 718122080007 |
| Included Components | Amplifier |
| Part Number | S4-100 |
| Item dimensions L x W x H | 7.87 x 7.75 x 2.24 inches (20 x 19.7 x 5.7 cm) |
Who Should Buy?
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Car Audio Enthusiasts
Ideal for users looking to enhance their car's audio system with high-quality sound performance.
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Small Vehicle Owners
Perfect for compact cars needing a powerful yet space-efficient audio amplifier without sacrificing performance.
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Budget-Conscious Buyers
Great choice for consumers seeking a high-quality multi-channel amp at a reasonable price point.
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High-Powered Systems
Not suitable for setups requiring extreme wattage and advanced performance beyond the 100W RMS output.
Product Description
SoundQubed S4-100 Multi Channel Amplifier - 100W (RMS) 4-Channel Car Amp - 2 Ohm Stable
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the key features of the SoundQubed S4-100 amplifier?
Answer: The SoundQubed S4-100 is a Class D multi-channel amplifier that delivers a powerful 100 Watts RMS across four channels, featuring 2 Ohm stability. This means it can handle varying speaker loads without sacrificing performance. The compact design allows for easy installation in vehicles while ensuring efficient heat dissipation. Suitable for powering multiple speakers or subwoofers, it’s ideal for car audio enthusiasts looking to elevate their sound quality. -
Question:
Is the SoundQubed S4-100 suitable for all car audio systems?
Answer: Yes, the SoundQubed S4-100 is versatile and can be used in various car audio systems due to its compatibility with both 2 Ohm and 4 Ohm speakers. This makes it an excellent choice for those wanting to upgrade their factory audio or build a custom sound setup. It performs well whether you are adding multiple speakers or driving subs, providing crisp clarity and deep bass to enhance your listening experience. -
Question:
How does the Class D technology benefit the SoundQubed S4-100?
Answer: Class D technology in the SoundQubed S4-100 allows for more efficient power usage compared to traditional amplifiers. It minimizes power loss and reduces heat generation, resulting in a more compact design without sacrificing audio quality. This efficient operation means you can enjoy a powerful sound system without overloading your vehicle’s electrical system, making it perfect for extended listening sessions. -
Question:
Can I connect subwoofers to the SoundQubed S4-100?
Answer: Absolutely! The SoundQubed S4-100 can effectively power subwoofers, thanks to its robust 100 Watts RMS output across four channels. Its 2 Ohm stability allows you to connect a variety of subwoofer configurations. You can use it to drive a single sub or multiple subs without compromising sound quality, making it an excellent choice for bass enthusiasts looking to enhance their car audio experience. -
Question:
What is the maximum input voltage for the SoundQubed S4-100?
Answer: The SoundQubed S4-100 is designed to handle a maximum input voltage of 14.4V, which is standard for most car audio systems. This ensures optimal performance under typical operating conditions. Running the amplifier at this voltage level allows it to output its full potential, providing clearer sound reproduction and deeper bass while maintaining efficiency in your vehicle’s audio system. -
Question:
How does the SoundQubed S4-100 compare to other amplifiers in its class?
Answer: The SoundQubed S4-100 stands out in its class for efficiently combining power, sound quality, and versatility. Many amplifiers in a similar category may struggle with heat dissipation or fall short of delivering consistent performance at low impedances. In contrast, the S4-100’s advanced design offers superior sound clarity and minimal distortion, making it a preferred choice for car audio aficionados who demand high performance. -
Question:
Is it difficult to install the SoundQubed S4-100 amplifier?
Answer: The installation of the SoundQubed S4-100 is relatively straightforward, especially for those with basic knowledge of car audio systems. Its compact design allows for flexible mounting options, and it comes with a comprehensive user manual. Many users find success with DIY installation. However, if you’re unfamiliar with wiring or amplifiers, it's advisable to consult a professional installer for the best results and optimal setup. -
Question:
Does the SoundQubed S4-100 have protection features?
Answer: Yes, the SoundQubed S4-100 includes essential protection features such as short-circuit protection and thermal protection. These safeguards ensure the amplifier operates safely, preventing damage during extreme conditions or incorrect setups. This feature allows users to enjoy high-performance audio with peace of mind knowing that the amplifier is protected from potential hazards. -
Question:
Can I buy the SoundQubed S4-100 amplifier in Cayman Islands?
Answer: Yes, you can purchase the SoundQubed S4-100 amplifier in Cayman Islands through Ubuy. They offer a wide selection of audio products, making it convenient for you to find and buy this high-quality amplifier for your car’s audio system. Ubuy provides a seamless shopping experience, ensuring that you can easily access all the necessary specifications and details about the product. -
Question:
What kind of speakers work best with the SoundQubed S4-100 amplifier?
Answer: The SoundQubed S4-100 pairs well with a variety of speakers, especially those rated at 2 Ohm to 4 Ohm. This amplifier is particularly suited for setup with component speakers for clear mids and highs, or with subwoofers for deep bass. Using it in combination with quality speakers will greatly enhance your overall listening experience, making it a versatile choice for many audio configurations.
SOUND Q QUBED Multichannel Amplifiers Editorial Review
The SoundQubed S4-100 Multiple Channel Amplifier is a class D multi-channel amplifier with 100 watts RMS 4 channel amp that is 2 ohm stable. This car audio amp comes with secure connections, making it a popular choice for car owners. Overall, customers have had mixed experiences with this product. Some have reported positive experiences such as receiving more power than expected and being pleasantly surprised by the high-quality bass knob and wrenches. Others have reported negative experiences such as the amplifier stopping working just over a year after purchase. However, many customers have noted that this amplifier outperforms class A/B amplifiers and is much more efficient, not getting hot or going into protect mode even with Conservative settings. The few reviews available for this product suggest that it may not be the most reliable option available, but for the price, it is a good deal that offers a high-quality sound.
Customer Reviews & Ratings
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Pros
- Offers more power than expected
- High-quality bass knob and wrenches included
- Smaller footprint and doesn't get hot
- Efficient and outperforms class A/B amplifiers
Cons
- Reports of the amplifier stopping working just over a year after purchase
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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